From 16b5b6fe0a8c48e8ad2fd434bed84a3b681268eb Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Thu, 5 Mar 2026 20:03:54 +0000
Subject: [PATCH 1/9] task: complete ls scripts

---
 individual-shell-tools/ls/script-01.sh | 2 ++
 individual-shell-tools/ls/script-02.sh | 2 ++
 individual-shell-tools/ls/script-03.sh | 2 ++
 individual-shell-tools/ls/script-04.sh | 3 +++
 4 files changed, 9 insertions(+)

diff --git a/individual-shell-tools/ls/script-01.sh b/individual-shell-tools/ls/script-01.sh
index 241b62f5e..8f984e99d 100755
--- a/individual-shell-tools/ls/script-01.sh
+++ b/individual-shell-tools/ls/script-01.sh
@@ -13,3 +13,5 @@ fi
 
 # TODO: Write a command to list the files and folders in this directory.
 # The output should be a list of names including child-directory, script-01.sh, script-02.sh, and more.
+
+ls -1
\ No newline at end of file
diff --git a/individual-shell-tools/ls/script-02.sh b/individual-shell-tools/ls/script-02.sh
index d0a5a10f4..c0a83c41c 100755
--- a/individual-shell-tools/ls/script-02.sh
+++ b/individual-shell-tools/ls/script-02.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command which lists all of the files in the directory named child-directory.
 # The output should be a list of names: helper-1.txt, helper-2.txt, helper-3.txt.
+
+ls -1 child-directory
\ No newline at end of file
diff --git a/individual-shell-tools/ls/script-03.sh b/individual-shell-tools/ls/script-03.sh
index 781216d21..7c5e6838c 100755
--- a/individual-shell-tools/ls/script-03.sh
+++ b/individual-shell-tools/ls/script-03.sh
@@ -5,3 +5,5 @@ set -euo pipefail
 # TODO: Write a command which _recursively_ lists all of the files and folders in this directory _and_ all of the files inside those folders.
 # The output should be a list of names including: child-directory, script-01.sh, helper-1.txt (and more).
 # The formatting of the output doesn't matter.
+
+ls -R1
\ No newline at end of file
diff --git a/individual-shell-tools/ls/script-04.sh b/individual-shell-tools/ls/script-04.sh
index 72f3817b3..a103cbfe0 100755
--- a/individual-shell-tools/ls/script-04.sh
+++ b/individual-shell-tools/ls/script-04.sh
@@ -16,8 +16,11 @@ echo "First exercise (sorted newest to oldest):"
 # TODO: Write a command which lists the files in the child-directory directory, one per line, sorted so that the most recently modified file is first.
 # The output should be a list of names in this order, one per line: helper-3.txt, helper-1.txt, helper-2.txt.
 
+ls -t1 child-directory
 
 echo "Second exercise (sorted oldest to newest):"
 
 # TODO: Write a command which does the same as above, but sorted in the opposite order (oldest first).
 # The output should be a list of names in this order, one per line: helper-2.txt, helper-1.txt, helper-3.txt.
+
+ls -tr1 child-directory
\ No newline at end of file

From 39b309bf14fa5064fff83d712c61fccb10765431 Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Thu, 5 Mar 2026 20:24:43 +0000
Subject: [PATCH 2/9] task: complete cat scripts

---
 individual-shell-tools/cat/script-01.sh         | 2 ++
 individual-shell-tools/cat/script-02.sh         | 2 ++
 individual-shell-tools/cat/script-03.sh         | 2 ++
 individual-shell-tools/cat/script-04-stretch.sh | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/individual-shell-tools/cat/script-01.sh b/individual-shell-tools/cat/script-01.sh
index c85053e0f..da5ec5029 100755
--- a/individual-shell-tools/cat/script-01.sh
+++ b/individual-shell-tools/cat/script-01.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the contents of the helper-1.txt file inside the helper-files directory to the terminal.
 # The output of this command should be "Once upon a time...".
+
+cat ../helper-files/helper-1.txt
\ No newline at end of file
diff --git a/individual-shell-tools/cat/script-02.sh b/individual-shell-tools/cat/script-02.sh
index 01bbd5eab..d0ad4fd8f 100755
--- a/individual-shell-tools/cat/script-02.sh
+++ b/individual-shell-tools/cat/script-02.sh
@@ -11,3 +11,5 @@ set -euo pipefail
 # It looked delicious.
 # I was tempted to take a bite of it.
 # But this seemed like a bad idea...
+
+cat ../helper-files/*
\ No newline at end of file
diff --git a/individual-shell-tools/cat/script-03.sh b/individual-shell-tools/cat/script-03.sh
index 37573b0c1..e4e7c7fe3 100755
--- a/individual-shell-tools/cat/script-03.sh
+++ b/individual-shell-tools/cat/script-03.sh
@@ -9,3 +9,5 @@ set -euo pipefail
 # 1 It looked delicious.
 # 2 I was tempted to take a bite of it.
 # 3 But this seemed like a bad idea...
+
+cat -n ../helper-files/helper-3.txt
\ No newline at end of file
diff --git a/individual-shell-tools/cat/script-04-stretch.sh b/individual-shell-tools/cat/script-04-stretch.sh
index 00fe3c48b..e64603ae3 100755
--- a/individual-shell-tools/cat/script-04-stretch.sh
+++ b/individual-shell-tools/cat/script-04-stretch.sh
@@ -13,3 +13,5 @@ set -euo pipefail
 # 3 It looked delicious.
 # 4 I was tempted to take a bite of it.
 # 5 But this seemed like a bad idea...
+
+cat ../helper-files/* | cat -n
\ No newline at end of file

From c8f54f5817a08a2406102c69106f70490c0709ae Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Thu, 5 Mar 2026 20:29:17 +0000
Subject: [PATCH 3/9] task: complete wc scripts

---
 individual-shell-tools/wc/script-01.sh | 2 ++
 individual-shell-tools/wc/script-02.sh | 2 ++
 individual-shell-tools/wc/script-03.sh | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/individual-shell-tools/wc/script-01.sh b/individual-shell-tools/wc/script-01.sh
index c9dd6e5df..22b7b8d9e 100755
--- a/individual-shell-tools/wc/script-01.sh
+++ b/individual-shell-tools/wc/script-01.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the number of words in the file helper-files/helper-3.txt.
 # The output should include the number 19. The output should not include the number 92.
+
+wc -w ../helper-files/helper-3.txt
\ No newline at end of file
diff --git a/individual-shell-tools/wc/script-02.sh b/individual-shell-tools/wc/script-02.sh
index 8feeb1a62..8874591e5 100755
--- a/individual-shell-tools/wc/script-02.sh
+++ b/individual-shell-tools/wc/script-02.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the number of lines in the file helper-files/helper-3.txt.
 # The output should include the number 3. The output should not include the number 19.
+
+wc -l ../helper-files/helper-3.txt
\ No newline at end of file
diff --git a/individual-shell-tools/wc/script-03.sh b/individual-shell-tools/wc/script-03.sh
index 6b2e9d3d1..58c98bb82 100755
--- a/individual-shell-tools/wc/script-03.sh
+++ b/individual-shell-tools/wc/script-03.sh
@@ -8,3 +8,5 @@ set -euo pipefail
 #        1       7      39 ../helper-files/helper-2.txt
 #        3      19      92 ../helper-files/helper-3.txt
 #        5      30     151 total
+
+wc -lwm ../helper-files/*
\ No newline at end of file

From c2cb3a70db6c73af9c39ce2a69f2bd4159052739 Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Thu, 5 Mar 2026 20:56:24 +0000
Subject: [PATCH 4/9] task: complete grep scripts

---
 individual-shell-tools/grep/script-01.sh | 2 ++
 individual-shell-tools/grep/script-02.sh | 2 ++
 individual-shell-tools/grep/script-03.sh | 2 ++
 individual-shell-tools/grep/script-04.sh | 2 ++
 individual-shell-tools/grep/script-05.sh | 2 ++
 individual-shell-tools/grep/script-06.sh | 2 ++
 individual-shell-tools/grep/script-07.sh | 2 ++
 7 files changed, 14 insertions(+)

diff --git a/individual-shell-tools/grep/script-01.sh b/individual-shell-tools/grep/script-01.sh
index fb05f42f2..eaa8c2c44 100755
--- a/individual-shell-tools/grep/script-01.sh
+++ b/individual-shell-tools/grep/script-01.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt said by the Doctor.
 # The output should contain 6 lines.
+
+grep "^[Doctor:]" dialogue.txt
\ No newline at end of file
diff --git a/individual-shell-tools/grep/script-02.sh b/individual-shell-tools/grep/script-02.sh
index df6f85640..0a5db33b9 100755
--- a/individual-shell-tools/grep/script-02.sh
+++ b/individual-shell-tools/grep/script-02.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt that contains the word Doctor (regardless of case).
 # The output should contain 9 lines.
+
+grep -i "Doctor" dialogue.txt
\ No newline at end of file
diff --git a/individual-shell-tools/grep/script-03.sh b/individual-shell-tools/grep/script-03.sh
index 5383fe578..716a5baff 100755
--- a/individual-shell-tools/grep/script-03.sh
+++ b/individual-shell-tools/grep/script-03.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the number of lines in dialogue.txt that contain the word Doctor (regardless of case).
 # The output should be exactly the number 9.
+
+grep -ic "Doctor" dialogue.txt
\ No newline at end of file
diff --git a/individual-shell-tools/grep/script-04.sh b/individual-shell-tools/grep/script-04.sh
index 80ee04776..df9f1d45b 100755
--- a/individual-shell-tools/grep/script-04.sh
+++ b/individual-shell-tools/grep/script-04.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt that does not contain the word "Hello" (regardless of case).
 # The output should contain 10 lines.
+
+grep -iv "Hello" dialogue.txt
\ No newline at end of file
diff --git a/individual-shell-tools/grep/script-05.sh b/individual-shell-tools/grep/script-05.sh
index 1eb538185..05ec18065 100755
--- a/individual-shell-tools/grep/script-05.sh
+++ b/individual-shell-tools/grep/script-05.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output every line in dialogue.txt that contains the string "cure", as well as the line before that line.
 # The output should contain two pairs of two lines of text (with a separator between them).
+
+grep -B1 "cure" dialogue.txt
\ No newline at end of file
diff --git a/individual-shell-tools/grep/script-06.sh b/individual-shell-tools/grep/script-06.sh
index 5670e3b6c..1369bc610 100755
--- a/individual-shell-tools/grep/script-06.sh
+++ b/individual-shell-tools/grep/script-06.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the name of every `.txt` file in this directory which contains a line of dialogue said by the Doctor.
 # The output should contain two filenames.
+
+grep -l "^[Doctor:]" *.txt
\ No newline at end of file
diff --git a/individual-shell-tools/grep/script-07.sh b/individual-shell-tools/grep/script-07.sh
index 9670ebad9..5d25c2673 100755
--- a/individual-shell-tools/grep/script-07.sh
+++ b/individual-shell-tools/grep/script-07.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output, for each `.txt` file in this directory, how many lines of dialogue the Doctor has.
 # The output should show that dialogue.txt contains 6 lines, dialogue-2.txt contains 2, and dialogue-3.txt contains 0.
+
+grep -cH "^[Doctor:]" *.txt
\ No newline at end of file

From d314c3a9d351f4b64b188163f124fc380c9c8cb2 Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Fri, 6 Mar 2026 18:23:02 +0000
Subject: [PATCH 5/9] task: complete sed scripts

---
 individual-shell-tools/sed/script-01.sh | 2 ++
 individual-shell-tools/sed/script-02.sh | 2 ++
 individual-shell-tools/sed/script-03.sh | 2 ++
 individual-shell-tools/sed/script-04.sh | 2 ++
 individual-shell-tools/sed/script-05.sh | 2 ++
 individual-shell-tools/sed/script-06.sh | 2 ++
 6 files changed, 12 insertions(+)

diff --git a/individual-shell-tools/sed/script-01.sh b/individual-shell-tools/sed/script-01.sh
index 3eba6fa4d..d2ee90faa 100755
--- a/individual-shell-tools/sed/script-01.sh
+++ b/individual-shell-tools/sed/script-01.sh
@@ -5,3 +5,5 @@ set -euo pipefail
 # TODO: Write a command to output input.txt with all occurrences of the letter `i` replaced with `I`.
 # The output should contain 11 lines.
 # The first line of the output should be: "ThIs Is a sample fIle for experImentIng with sed.".
+
+sed 's/i/I/g' input.txt
\ No newline at end of file
diff --git a/individual-shell-tools/sed/script-02.sh b/individual-shell-tools/sed/script-02.sh
index abdd64d06..7db8a2a15 100755
--- a/individual-shell-tools/sed/script-02.sh
+++ b/individual-shell-tools/sed/script-02.sh
@@ -5,3 +5,5 @@ set -euo pipefail
 # TODO: Write a command to output input.txt with numbers removed.
 # The output should contain 11 lines.
 # Line 6 of the output should be " Alisha".
+
+sed 's/[0-9]//g' input.txt
\ No newline at end of file
diff --git a/individual-shell-tools/sed/script-03.sh b/individual-shell-tools/sed/script-03.sh
index dd284a296..9047fee4a 100755
--- a/individual-shell-tools/sed/script-03.sh
+++ b/individual-shell-tools/sed/script-03.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output input.txt removing any line which contains a number.
 # The output should contain 6 lines.
+
+sed '/[0-9]/d' input.txt
\ No newline at end of file
diff --git a/individual-shell-tools/sed/script-04.sh b/individual-shell-tools/sed/script-04.sh
index 0052ac6c4..ae19f6735 100755
--- a/individual-shell-tools/sed/script-04.sh
+++ b/individual-shell-tools/sed/script-04.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output input.txt replacing every occurrence of the string "We'll" with "We will".
 # The output should contain 11 lines.
+
+sed "s/We'll/We will/g" input.txt
\ No newline at end of file
diff --git a/individual-shell-tools/sed/script-05.sh b/individual-shell-tools/sed/script-05.sh
index 2dcc91a0c..3a0057788 100755
--- a/individual-shell-tools/sed/script-05.sh
+++ b/individual-shell-tools/sed/script-05.sh
@@ -6,3 +6,5 @@ set -euo pipefail
 # If a line starts with a number and a space, make the line instead end with a space and the number.
 # So line 6 which currently reads "37 Alisha" should instead read "Alisha 37".
 # The output should contain 11 lines.
+
+sed -E 's+^([0-9]*) (.*)$+\2 \1+' input.txt
\ No newline at end of file
diff --git a/individual-shell-tools/sed/script-06.sh b/individual-shell-tools/sed/script-06.sh
index 0b9390170..5020380bd 100755
--- a/individual-shell-tools/sed/script-06.sh
+++ b/individual-shell-tools/sed/script-06.sh
@@ -8,3 +8,5 @@ set -euo pipefail
 # The output should contain 11 lines.
 # Line 3 should be "It contains many lines, and there are some things you may want to do with each of them.".
 # Line 11 should be "We also should remember, when we go shopping, to get 4 items: oranges, cheese, bread, olives.".
+
+sed -E 's+,([^ ])+, \1+g' input.txt
\ No newline at end of file

From 567f29cf3efb4db6700dee155a53ac53fb7174f9 Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Fri, 6 Mar 2026 19:16:21 +0000
Subject: [PATCH 6/9] task: complete awk scripts

---
 individual-shell-tools/awk/script-01.sh | 2 ++
 individual-shell-tools/awk/script-02.sh | 2 ++
 individual-shell-tools/awk/script-03.sh | 2 ++
 individual-shell-tools/awk/script-04.sh | 2 ++
 individual-shell-tools/awk/script-05.sh | 2 ++
 5 files changed, 10 insertions(+)

diff --git a/individual-shell-tools/awk/script-01.sh b/individual-shell-tools/awk/script-01.sh
index 8db4390af..54e6207ae 100755
--- a/individual-shell-tools/awk/script-01.sh
+++ b/individual-shell-tools/awk/script-01.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output just the names of each player in `scores-table.txt`.
 # Your output should contain 6 lines, each with just one word on it.
+
+awk '{ print $1 }' scores-table.txt
\ No newline at end of file
diff --git a/individual-shell-tools/awk/script-02.sh b/individual-shell-tools/awk/script-02.sh
index 5956be9bd..eb4c5d1ab 100755
--- a/individual-shell-tools/awk/script-02.sh
+++ b/individual-shell-tools/awk/script-02.sh
@@ -4,3 +4,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the names of each player, as well as their city.
 # Your output should contain 6 lines, each with two words on it, separated by a space.
+
+awk '{ print $1, $2 }' scores-table.txt
\ No newline at end of file
diff --git a/individual-shell-tools/awk/script-03.sh b/individual-shell-tools/awk/script-03.sh
index af7c6e8b9..289ace004 100755
--- a/individual-shell-tools/awk/script-03.sh
+++ b/individual-shell-tools/awk/script-03.sh
@@ -5,3 +5,5 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the score from their first attempt.
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 1".
+
+awk '{ print $1, $3 }' scores-table.txt
\ No newline at end of file
diff --git a/individual-shell-tools/awk/script-04.sh b/individual-shell-tools/awk/script-04.sh
index bf15703c7..31f3d40f9 100755
--- a/individual-shell-tools/awk/script-04.sh
+++ b/individual-shell-tools/awk/script-04.sh
@@ -5,3 +5,5 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player in London along with the score from their last attempt.
 # Your output should contain 3 lines, each with one word and one number on it.
 # The first line should be "Ahmed 4".
+
+awk '{if ($2 == "London") print $1, $NF}' scores-table.txt
\ No newline at end of file
diff --git a/individual-shell-tools/awk/script-05.sh b/individual-shell-tools/awk/script-05.sh
index d1680cb02..6e72ca2e0 100755
--- a/individual-shell-tools/awk/script-05.sh
+++ b/individual-shell-tools/awk/script-05.sh
@@ -5,3 +5,5 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the number of times they've played the game.
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 3".
+
+awk '{ print $1, NF-2 }' scores-table.txt
\ No newline at end of file

From 5e9aeb9762ef1500b4cf450c6fb7df4a8de021af Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Fri, 6 Mar 2026 19:22:23 +0000
Subject: [PATCH 7/9] task: complete awk stretch exercises

---
 individual-shell-tools/awk/script-06-stretch.sh | 2 ++
 individual-shell-tools/awk/script-07-stretch.sh | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/individual-shell-tools/awk/script-06-stretch.sh b/individual-shell-tools/awk/script-06-stretch.sh
index 0201e6378..b38e92794 100755
--- a/individual-shell-tools/awk/script-06-stretch.sh
+++ b/individual-shell-tools/awk/script-06-stretch.sh
@@ -6,3 +6,5 @@ set -euo pipefail
 
 # TODO: Write a command to output the total of adding together all players' first scores.
 # Your output should be exactly the number 54.
+
+awk '{ total += $3 } END { print total }' scores-table.txt
\ No newline at end of file
diff --git a/individual-shell-tools/awk/script-07-stretch.sh b/individual-shell-tools/awk/script-07-stretch.sh
index 3f7155880..53aa072e6 100755
--- a/individual-shell-tools/awk/script-07-stretch.sh
+++ b/individual-shell-tools/awk/script-07-stretch.sh
@@ -7,3 +7,9 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player along with the total of adding all of that player's scores.
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 15". The second line should be "Basia 37"
+
+awk '{
+  total = 0
+  for (i = 3; i <= NF; i++) total += $i
+  print $1, total
+}' scores-table.txt
\ No newline at end of file

From 18fb6582502397147cf975c1fb2471d8cb1d5ebe Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Sat, 21 Mar 2026 21:22:22 +0000
Subject: [PATCH 8/9] fix: correct grep patterns in dialogue scripts

---
 individual-shell-tools/grep/script-01.sh | 2 +-
 individual-shell-tools/grep/script-06.sh | 2 +-
 individual-shell-tools/grep/script-07.sh | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/individual-shell-tools/grep/script-01.sh b/individual-shell-tools/grep/script-01.sh
index eaa8c2c44..b153b7910 100755
--- a/individual-shell-tools/grep/script-01.sh
+++ b/individual-shell-tools/grep/script-01.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output every line in dialogue.txt said by the Doctor.
 # The output should contain 6 lines.
 
-grep "^[Doctor:]" dialogue.txt
\ No newline at end of file
+grep "^Doctor:" dialogue.txt
diff --git a/individual-shell-tools/grep/script-06.sh b/individual-shell-tools/grep/script-06.sh
index 1369bc610..c17025a4d 100755
--- a/individual-shell-tools/grep/script-06.sh
+++ b/individual-shell-tools/grep/script-06.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the name of every `.txt` file in this directory which contains a line of dialogue said by the Doctor.
 # The output should contain two filenames.
 
-grep -l "^[Doctor:]" *.txt
\ No newline at end of file
+grep -l "^Doctor:" *.txt
diff --git a/individual-shell-tools/grep/script-07.sh b/individual-shell-tools/grep/script-07.sh
index 5d25c2673..b710a61fd 100755
--- a/individual-shell-tools/grep/script-07.sh
+++ b/individual-shell-tools/grep/script-07.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output, for each `.txt` file in this directory, how many lines of dialogue the Doctor has.
 # The output should show that dialogue.txt contains 6 lines, dialogue-2.txt contains 2, and dialogue-3.txt contains 0.
 
-grep -cH "^[Doctor:]" *.txt
\ No newline at end of file
+grep -c "^Doctor:" *.txt

From f33f89822f93dd9dbf8ef91b94f0e93da58d5422 Mon Sep 17 00:00:00 2001
From: Jak R-S <176810031+jakr-s@users.noreply.github.com>
Date: Sat, 21 Mar 2026 21:23:33 +0000
Subject: [PATCH 9/9] fix: ensure newline is added to end of shell scripts

---
 individual-shell-tools/awk/script-01.sh         | 2 +-
 individual-shell-tools/awk/script-02.sh         | 2 +-
 individual-shell-tools/awk/script-03.sh         | 2 +-
 individual-shell-tools/awk/script-04.sh         | 2 +-
 individual-shell-tools/awk/script-05.sh         | 2 +-
 individual-shell-tools/awk/script-06-stretch.sh | 2 +-
 individual-shell-tools/awk/script-07-stretch.sh | 2 +-
 individual-shell-tools/cat/script-01.sh         | 2 +-
 individual-shell-tools/cat/script-02.sh         | 2 +-
 individual-shell-tools/cat/script-03.sh         | 2 +-
 individual-shell-tools/cat/script-04-stretch.sh | 2 +-
 individual-shell-tools/grep/script-02.sh        | 2 +-
 individual-shell-tools/grep/script-03.sh        | 2 +-
 individual-shell-tools/grep/script-04.sh        | 2 +-
 individual-shell-tools/grep/script-05.sh        | 2 +-
 individual-shell-tools/ls/script-01.sh          | 2 +-
 individual-shell-tools/ls/script-02.sh          | 2 +-
 individual-shell-tools/ls/script-03.sh          | 2 +-
 individual-shell-tools/ls/script-04.sh          | 2 +-
 individual-shell-tools/sed/script-01.sh         | 2 +-
 individual-shell-tools/sed/script-02.sh         | 2 +-
 individual-shell-tools/sed/script-03.sh         | 2 +-
 individual-shell-tools/sed/script-04.sh         | 2 +-
 individual-shell-tools/sed/script-05.sh         | 2 +-
 individual-shell-tools/sed/script-06.sh         | 2 +-
 individual-shell-tools/wc/script-01.sh          | 2 +-
 individual-shell-tools/wc/script-02.sh          | 2 +-
 individual-shell-tools/wc/script-03.sh          | 2 +-
 28 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/individual-shell-tools/awk/script-01.sh b/individual-shell-tools/awk/script-01.sh
index 54e6207ae..1bec77dc6 100755
--- a/individual-shell-tools/awk/script-01.sh
+++ b/individual-shell-tools/awk/script-01.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output just the names of each player in `scores-table.txt`.
 # Your output should contain 6 lines, each with just one word on it.
 
-awk '{ print $1 }' scores-table.txt
\ No newline at end of file
+awk '{ print $1 }' scores-table.txt
diff --git a/individual-shell-tools/awk/script-02.sh b/individual-shell-tools/awk/script-02.sh
index eb4c5d1ab..1de385e3e 100755
--- a/individual-shell-tools/awk/script-02.sh
+++ b/individual-shell-tools/awk/script-02.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the names of each player, as well as their city.
 # Your output should contain 6 lines, each with two words on it, separated by a space.
 
-awk '{ print $1, $2 }' scores-table.txt
\ No newline at end of file
+awk '{ print $1, $2 }' scores-table.txt
diff --git a/individual-shell-tools/awk/script-03.sh b/individual-shell-tools/awk/script-03.sh
index 289ace004..7934245e9 100755
--- a/individual-shell-tools/awk/script-03.sh
+++ b/individual-shell-tools/awk/script-03.sh
@@ -6,4 +6,4 @@ set -euo pipefail
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 1".
 
-awk '{ print $1, $3 }' scores-table.txt
\ No newline at end of file
+awk '{ print $1, $3 }' scores-table.txt
diff --git a/individual-shell-tools/awk/script-04.sh b/individual-shell-tools/awk/script-04.sh
index 31f3d40f9..1ff3e9239 100755
--- a/individual-shell-tools/awk/script-04.sh
+++ b/individual-shell-tools/awk/script-04.sh
@@ -6,4 +6,4 @@ set -euo pipefail
 # Your output should contain 3 lines, each with one word and one number on it.
 # The first line should be "Ahmed 4".
 
-awk '{if ($2 == "London") print $1, $NF}' scores-table.txt
\ No newline at end of file
+awk '{if ($2 == "London") print $1, $NF}' scores-table.txt
diff --git a/individual-shell-tools/awk/script-05.sh b/individual-shell-tools/awk/script-05.sh
index 6e72ca2e0..68e4ea75c 100755
--- a/individual-shell-tools/awk/script-05.sh
+++ b/individual-shell-tools/awk/script-05.sh
@@ -6,4 +6,4 @@ set -euo pipefail
 # Your output should contain 6 lines, each with one word and one number on it.
 # The first line should be "Ahmed 3".
 
-awk '{ print $1, NF-2 }' scores-table.txt
\ No newline at end of file
+awk '{ print $1, NF-2 }' scores-table.txt
diff --git a/individual-shell-tools/awk/script-06-stretch.sh b/individual-shell-tools/awk/script-06-stretch.sh
index b38e92794..58de26cfb 100755
--- a/individual-shell-tools/awk/script-06-stretch.sh
+++ b/individual-shell-tools/awk/script-06-stretch.sh
@@ -7,4 +7,4 @@ set -euo pipefail
 # TODO: Write a command to output the total of adding together all players' first scores.
 # Your output should be exactly the number 54.
 
-awk '{ total += $3 } END { print total }' scores-table.txt
\ No newline at end of file
+awk '{ total += $3 } END { print total }' scores-table.txt
diff --git a/individual-shell-tools/awk/script-07-stretch.sh b/individual-shell-tools/awk/script-07-stretch.sh
index 53aa072e6..9b6453d70 100755
--- a/individual-shell-tools/awk/script-07-stretch.sh
+++ b/individual-shell-tools/awk/script-07-stretch.sh
@@ -12,4 +12,4 @@ awk '{
   total = 0
   for (i = 3; i <= NF; i++) total += $i
   print $1, total
-}' scores-table.txt
\ No newline at end of file
+}' scores-table.txt
diff --git a/individual-shell-tools/cat/script-01.sh b/individual-shell-tools/cat/script-01.sh
index da5ec5029..84706a957 100755
--- a/individual-shell-tools/cat/script-01.sh
+++ b/individual-shell-tools/cat/script-01.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the contents of the helper-1.txt file inside the helper-files directory to the terminal.
 # The output of this command should be "Once upon a time...".
 
-cat ../helper-files/helper-1.txt
\ No newline at end of file
+cat ../helper-files/helper-1.txt
diff --git a/individual-shell-tools/cat/script-02.sh b/individual-shell-tools/cat/script-02.sh
index d0ad4fd8f..8d0b71553 100755
--- a/individual-shell-tools/cat/script-02.sh
+++ b/individual-shell-tools/cat/script-02.sh
@@ -12,4 +12,4 @@ set -euo pipefail
 # I was tempted to take a bite of it.
 # But this seemed like a bad idea...
 
-cat ../helper-files/*
\ No newline at end of file
+cat ../helper-files/*
diff --git a/individual-shell-tools/cat/script-03.sh b/individual-shell-tools/cat/script-03.sh
index e4e7c7fe3..e77f981a9 100755
--- a/individual-shell-tools/cat/script-03.sh
+++ b/individual-shell-tools/cat/script-03.sh
@@ -10,4 +10,4 @@ set -euo pipefail
 # 2 I was tempted to take a bite of it.
 # 3 But this seemed like a bad idea...
 
-cat -n ../helper-files/helper-3.txt
\ No newline at end of file
+cat -n ../helper-files/helper-3.txt
diff --git a/individual-shell-tools/cat/script-04-stretch.sh b/individual-shell-tools/cat/script-04-stretch.sh
index e64603ae3..b48de2f4c 100755
--- a/individual-shell-tools/cat/script-04-stretch.sh
+++ b/individual-shell-tools/cat/script-04-stretch.sh
@@ -14,4 +14,4 @@ set -euo pipefail
 # 4 I was tempted to take a bite of it.
 # 5 But this seemed like a bad idea...
 
-cat ../helper-files/* | cat -n
\ No newline at end of file
+cat ../helper-files/* | cat -n
diff --git a/individual-shell-tools/grep/script-02.sh b/individual-shell-tools/grep/script-02.sh
index 0a5db33b9..2fdd98944 100755
--- a/individual-shell-tools/grep/script-02.sh
+++ b/individual-shell-tools/grep/script-02.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output every line in dialogue.txt that contains the word Doctor (regardless of case).
 # The output should contain 9 lines.
 
-grep -i "Doctor" dialogue.txt
\ No newline at end of file
+grep -i "Doctor" dialogue.txt
diff --git a/individual-shell-tools/grep/script-03.sh b/individual-shell-tools/grep/script-03.sh
index 716a5baff..ca390576e 100755
--- a/individual-shell-tools/grep/script-03.sh
+++ b/individual-shell-tools/grep/script-03.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the number of lines in dialogue.txt that contain the word Doctor (regardless of case).
 # The output should be exactly the number 9.
 
-grep -ic "Doctor" dialogue.txt
\ No newline at end of file
+grep -ic "Doctor" dialogue.txt
diff --git a/individual-shell-tools/grep/script-04.sh b/individual-shell-tools/grep/script-04.sh
index df9f1d45b..0b3948100 100755
--- a/individual-shell-tools/grep/script-04.sh
+++ b/individual-shell-tools/grep/script-04.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output every line in dialogue.txt that does not contain the word "Hello" (regardless of case).
 # The output should contain 10 lines.
 
-grep -iv "Hello" dialogue.txt
\ No newline at end of file
+grep -iv "Hello" dialogue.txt
diff --git a/individual-shell-tools/grep/script-05.sh b/individual-shell-tools/grep/script-05.sh
index 05ec18065..22167d93d 100755
--- a/individual-shell-tools/grep/script-05.sh
+++ b/individual-shell-tools/grep/script-05.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output every line in dialogue.txt that contains the string "cure", as well as the line before that line.
 # The output should contain two pairs of two lines of text (with a separator between them).
 
-grep -B1 "cure" dialogue.txt
\ No newline at end of file
+grep -B1 "cure" dialogue.txt
diff --git a/individual-shell-tools/ls/script-01.sh b/individual-shell-tools/ls/script-01.sh
index 8f984e99d..20d24262f 100755
--- a/individual-shell-tools/ls/script-01.sh
+++ b/individual-shell-tools/ls/script-01.sh
@@ -14,4 +14,4 @@ fi
 # TODO: Write a command to list the files and folders in this directory.
 # The output should be a list of names including child-directory, script-01.sh, script-02.sh, and more.
 
-ls -1
\ No newline at end of file
+ls -1
diff --git a/individual-shell-tools/ls/script-02.sh b/individual-shell-tools/ls/script-02.sh
index c0a83c41c..40b0278a2 100755
--- a/individual-shell-tools/ls/script-02.sh
+++ b/individual-shell-tools/ls/script-02.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command which lists all of the files in the directory named child-directory.
 # The output should be a list of names: helper-1.txt, helper-2.txt, helper-3.txt.
 
-ls -1 child-directory
\ No newline at end of file
+ls -1 child-directory
diff --git a/individual-shell-tools/ls/script-03.sh b/individual-shell-tools/ls/script-03.sh
index 7c5e6838c..31feae048 100755
--- a/individual-shell-tools/ls/script-03.sh
+++ b/individual-shell-tools/ls/script-03.sh
@@ -6,4 +6,4 @@ set -euo pipefail
 # The output should be a list of names including: child-directory, script-01.sh, helper-1.txt (and more).
 # The formatting of the output doesn't matter.
 
-ls -R1
\ No newline at end of file
+ls -R1
diff --git a/individual-shell-tools/ls/script-04.sh b/individual-shell-tools/ls/script-04.sh
index a103cbfe0..7c43b2f3b 100755
--- a/individual-shell-tools/ls/script-04.sh
+++ b/individual-shell-tools/ls/script-04.sh
@@ -23,4 +23,4 @@ echo "Second exercise (sorted oldest to newest):"
 # TODO: Write a command which does the same as above, but sorted in the opposite order (oldest first).
 # The output should be a list of names in this order, one per line: helper-2.txt, helper-1.txt, helper-3.txt.
 
-ls -tr1 child-directory
\ No newline at end of file
+ls -tr1 child-directory
diff --git a/individual-shell-tools/sed/script-01.sh b/individual-shell-tools/sed/script-01.sh
index d2ee90faa..88643a635 100755
--- a/individual-shell-tools/sed/script-01.sh
+++ b/individual-shell-tools/sed/script-01.sh
@@ -6,4 +6,4 @@ set -euo pipefail
 # The output should contain 11 lines.
 # The first line of the output should be: "ThIs Is a sample fIle for experImentIng with sed.".
 
-sed 's/i/I/g' input.txt
\ No newline at end of file
+sed 's/i/I/g' input.txt
diff --git a/individual-shell-tools/sed/script-02.sh b/individual-shell-tools/sed/script-02.sh
index 7db8a2a15..cd2a96c02 100755
--- a/individual-shell-tools/sed/script-02.sh
+++ b/individual-shell-tools/sed/script-02.sh
@@ -6,4 +6,4 @@ set -euo pipefail
 # The output should contain 11 lines.
 # Line 6 of the output should be " Alisha".
 
-sed 's/[0-9]//g' input.txt
\ No newline at end of file
+sed 's/[0-9]//g' input.txt
diff --git a/individual-shell-tools/sed/script-03.sh b/individual-shell-tools/sed/script-03.sh
index 9047fee4a..e70f4a600 100755
--- a/individual-shell-tools/sed/script-03.sh
+++ b/individual-shell-tools/sed/script-03.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output input.txt removing any line which contains a number.
 # The output should contain 6 lines.
 
-sed '/[0-9]/d' input.txt
\ No newline at end of file
+sed '/[0-9]/d' input.txt
diff --git a/individual-shell-tools/sed/script-04.sh b/individual-shell-tools/sed/script-04.sh
index ae19f6735..8ac6e7c5d 100755
--- a/individual-shell-tools/sed/script-04.sh
+++ b/individual-shell-tools/sed/script-04.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output input.txt replacing every occurrence of the string "We'll" with "We will".
 # The output should contain 11 lines.
 
-sed "s/We'll/We will/g" input.txt
\ No newline at end of file
+sed "s/We'll/We will/g" input.txt
diff --git a/individual-shell-tools/sed/script-05.sh b/individual-shell-tools/sed/script-05.sh
index 3a0057788..c41f31742 100755
--- a/individual-shell-tools/sed/script-05.sh
+++ b/individual-shell-tools/sed/script-05.sh
@@ -7,4 +7,4 @@ set -euo pipefail
 # So line 6 which currently reads "37 Alisha" should instead read "Alisha 37".
 # The output should contain 11 lines.
 
-sed -E 's+^([0-9]*) (.*)$+\2 \1+' input.txt
\ No newline at end of file
+sed -E 's+^([0-9]*) (.*)$+\2 \1+' input.txt
diff --git a/individual-shell-tools/sed/script-06.sh b/individual-shell-tools/sed/script-06.sh
index 5020380bd..b301eb1fb 100755
--- a/individual-shell-tools/sed/script-06.sh
+++ b/individual-shell-tools/sed/script-06.sh
@@ -9,4 +9,4 @@ set -euo pipefail
 # Line 3 should be "It contains many lines, and there are some things you may want to do with each of them.".
 # Line 11 should be "We also should remember, when we go shopping, to get 4 items: oranges, cheese, bread, olives.".
 
-sed -E 's+,([^ ])+, \1+g' input.txt
\ No newline at end of file
+sed -E 's+,([^ ])+, \1+g' input.txt
diff --git a/individual-shell-tools/wc/script-01.sh b/individual-shell-tools/wc/script-01.sh
index 22b7b8d9e..826c43401 100755
--- a/individual-shell-tools/wc/script-01.sh
+++ b/individual-shell-tools/wc/script-01.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the number of words in the file helper-files/helper-3.txt.
 # The output should include the number 19. The output should not include the number 92.
 
-wc -w ../helper-files/helper-3.txt
\ No newline at end of file
+wc -w ../helper-files/helper-3.txt
diff --git a/individual-shell-tools/wc/script-02.sh b/individual-shell-tools/wc/script-02.sh
index 8874591e5..ae2ae870b 100755
--- a/individual-shell-tools/wc/script-02.sh
+++ b/individual-shell-tools/wc/script-02.sh
@@ -5,4 +5,4 @@ set -euo pipefail
 # TODO: Write a command to output the number of lines in the file helper-files/helper-3.txt.
 # The output should include the number 3. The output should not include the number 19.
 
-wc -l ../helper-files/helper-3.txt
\ No newline at end of file
+wc -l ../helper-files/helper-3.txt
diff --git a/individual-shell-tools/wc/script-03.sh b/individual-shell-tools/wc/script-03.sh
index 58c98bb82..3d8167345 100755
--- a/individual-shell-tools/wc/script-03.sh
+++ b/individual-shell-tools/wc/script-03.sh
@@ -9,4 +9,4 @@ set -euo pipefail
 #        3      19      92 ../helper-files/helper-3.txt
 #        5      30     151 total
 
-wc -lwm ../helper-files/*
\ No newline at end of file
+wc -lwm ../helper-files/*