From 50925a9e4cf0a146ea95f0146d21f83c3e4c82e5 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sat, 12 Jul 2025 17:24:48 +0200
Subject: [PATCH 01/31] added script commands to ls exercise 1

---
 individual-shell-tools/ls/script-01.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/individual-shell-tools/ls/script-01.sh b/individual-shell-tools/ls/script-01.sh
index 241b62f5..46c07f1a 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.
+cd /home/luke/CYF/SDC/Module-Tools/individual-shell-tools/ls
+ls

From 6a2e2ac74b7545798f41e90c8a6ebbcc9266c763 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sat, 12 Jul 2025 17:26:20 +0200
Subject: [PATCH 02/31] added code for exercise ls 2

---
 individual-shell-tools/ls/script-02.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/individual-shell-tools/ls/script-02.sh b/individual-shell-tools/ls/script-02.sh
index d0a5a10f..e9c349be 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.
+cd /home/luke/CYF/SDC/Module-Tools/individual-shell-tools/ls/child-directory
+ls
\ No newline at end of file

From 0b11f9bbfd6f57c7b5ce5a6ea0e39192d052c36e Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sat, 12 Jul 2025 17:27:54 +0200
Subject: [PATCH 03/31] added code fro the recursive list

---
 individual-shell-tools/ls/script-03.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/individual-shell-tools/ls/script-03.sh b/individual-shell-tools/ls/script-03.sh
index 781216d2..aa3b0c95 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.
+cd /home/luke/CYF/SDC/Module-Tools/individual-shell-tools/ls
+ls -R

From 614a64538de59bb37229a4dfab346044ba66bd92 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sat, 12 Jul 2025 18:09:51 +0200
Subject: [PATCH 04/31] code for ls exercise 4

---
 individual-shell-tools/ls/script-04.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/individual-shell-tools/ls/script-04.sh b/individual-shell-tools/ls/script-04.sh
index 72f3817b..46875389 100755
--- a/individual-shell-tools/ls/script-04.sh
+++ b/individual-shell-tools/ls/script-04.sh
@@ -15,9 +15,10 @@ 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.
-
+cd "${script_dir}/child-directory" && ls -t
 
 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 -tr

From c6a3f9978b31b3ec67bd208dc145f5fd922d7cd9 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sat, 12 Jul 2025 21:42:04 +0200
Subject: [PATCH 05/31] added code to read helper-1.txt

---
 individual-shell-tools/cat/script-01.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/cat/script-01.sh b/individual-shell-tools/cat/script-01.sh
index c85053e0..4e1122e0 100755
--- a/individual-shell-tools/cat/script-01.sh
+++ b/individual-shell-tools/cat/script-01.sh
@@ -4,3 +4,4 @@ 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 /home/luke/CYF/SDC/Module-Tools/individual-shell-tools/helper-files/helper-1.txt

From 18507cbd91120f06be923af8d5450dad61d18feb Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 10:40:14 +0200
Subject: [PATCH 06/31] add code for cat 2

---
 individual-shell-tools/cat/script-02.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/individual-shell-tools/cat/script-02.sh b/individual-shell-tools/cat/script-02.sh
index 01bbd5ea..ea234743 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 "$(dirname "$0")"/../helper-files/*.txt
+

From 8682de1ca38ed06edf0169dc480a34639e831805 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 10:50:42 +0200
Subject: [PATCH 07/31] added code for cat 3

---
 individual-shell-tools/cat/script-03.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/cat/script-03.sh b/individual-shell-tools/cat/script-03.sh
index 37573b0c..3c3bc91f 100755
--- a/individual-shell-tools/cat/script-03.sh
+++ b/individual-shell-tools/cat/script-03.sh
@@ -9,3 +9,4 @@ 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 "$(dirname "$0")"/../helper-files/helper-3.txt

From 872619291d0d19e7e96acd0b7b5e7bd55d73bb45 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 10:51:59 +0200
Subject: [PATCH 08/31] added code for cat 4

---
 individual-shell-tools/cat/script-04-stretch.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/cat/script-04-stretch.sh b/individual-shell-tools/cat/script-04-stretch.sh
index 00fe3c48..067a5d6f 100755
--- a/individual-shell-tools/cat/script-04-stretch.sh
+++ b/individual-shell-tools/cat/script-04-stretch.sh
@@ -13,3 +13,4 @@ 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 -n "$(dirname "$0")"/../helper-files/*.txt

From 43199e4ec1d351a1bbb3f97eb4b72580466b93c6 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 11:46:16 +0200
Subject: [PATCH 09/31] added code for wc 1

---
 individual-shell-tools/wc/script-01.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/wc/script-01.sh b/individual-shell-tools/wc/script-01.sh
index c9dd6e5d..8695f8fb 100755
--- a/individual-shell-tools/wc/script-01.sh
+++ b/individual-shell-tools/wc/script-01.sh
@@ -4,3 +4,4 @@ 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 "$(dirname "$0")"/../helper-files/helper-3.txt | awk '{print $1}'

From 1d40453f4f2a24055d72fb01959c718816ca02e5 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 13:36:47 +0200
Subject: [PATCH 10/31] added code for wc 2

---
 individual-shell-tools/wc/script-02.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/wc/script-02.sh b/individual-shell-tools/wc/script-02.sh
index 8feeb1a6..ffbcdb12 100755
--- a/individual-shell-tools/wc/script-02.sh
+++ b/individual-shell-tools/wc/script-02.sh
@@ -4,3 +4,4 @@ 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 "$(dirname "$0")"/../helper-files/helper-3.txt | awk '{print $1}'

From 94c79419d3e2b00304b20bd491ec214f24b85087 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 13:41:54 +0200
Subject: [PATCH 11/31] added the count count for wc exercise 3

---
 individual-shell-tools/wc/script-03.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/wc/script-03.sh b/individual-shell-tools/wc/script-03.sh
index 6b2e9d3d..fc1458eb 100755
--- a/individual-shell-tools/wc/script-03.sh
+++ b/individual-shell-tools/wc/script-03.sh
@@ -8,3 +8,4 @@ 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 "$(dirname "$0")"/../helper-files/*.txt

From fc0bd02568ad5e24ed1224d7610caab40b4db4dd Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 19:30:43 +0200
Subject: [PATCH 12/31] added code to the grep exercise 1

---
 individual-shell-tools/grep/script-01.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/individual-shell-tools/grep/script-01.sh b/individual-shell-tools/grep/script-01.sh
index fb05f42f..da8d1cd2 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:" "$(dirname "$0")"/dialogue.txt

From 2d4fb9ba2fef43ebd5fd519865e93554c7c66aa8 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 19:36:26 +0200
Subject: [PATCH 13/31] added code to grep exercise 2 and 3

---
 individual-shell-tools/grep/script-02.sh | 3 +++
 individual-shell-tools/grep/script-03.sh | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/individual-shell-tools/grep/script-02.sh b/individual-shell-tools/grep/script-02.sh
index df6f8564..ecc0c3f6 100755
--- a/individual-shell-tools/grep/script-02.sh
+++ b/individual-shell-tools/grep/script-02.sh
@@ -4,3 +4,6 @@ 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" "$(dirname "$0")"/dialogue.txt 
+
+#
diff --git a/individual-shell-tools/grep/script-03.sh b/individual-shell-tools/grep/script-03.sh
index 5383fe57..1511a897 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" "$(dirname "$0")"/dialogue.txt
+

From 6412b49452a77b0b1a6917b588ff2a0d9ef70385 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 19:42:18 +0200
Subject: [PATCH 14/31] added code for grep exercise 4

---
 individual-shell-tools/grep/script-04.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/grep/script-04.sh b/individual-shell-tools/grep/script-04.sh
index 80ee0477..cf0c3cb2 100755
--- a/individual-shell-tools/grep/script-04.sh
+++ b/individual-shell-tools/grep/script-04.sh
@@ -4,3 +4,4 @@ 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" "$(dirname "$0")"/dialogue.txt

From 8f6f809adc98eb1700f452745ac8cdce5211dddf Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 20:24:15 +0200
Subject: [PATCH 15/31] added code for grep exercise 5

---
 individual-shell-tools/grep/script-05.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/individual-shell-tools/grep/script-05.sh b/individual-shell-tools/grep/script-05.sh
index 1eb53818..8506b8eb 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 -B 1 "cure" "$(dirname "$0")"/dialogue.txt 
+

From 45066a894f2c4cd8b47b4c7a815a70d93cc6780c Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Sun, 13 Jul 2025 21:01:26 +0200
Subject: [PATCH 16/31] added code for grep exercise 6

---
 individual-shell-tools/grep/script-06.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/individual-shell-tools/grep/script-06.sh b/individual-shell-tools/grep/script-06.sh
index 5670e3b6..ffc55f9a 100755
--- a/individual-shell-tools/grep/script-06.sh
+++ b/individual-shell-tools/grep/script-06.sh
@@ -4,3 +4,6 @@ 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:" "$(dirname "$0")"/*.txt | while IFS= read -r filepath; do
+    basename "$filepath"
+done
\ No newline at end of file

From 04b3d6540a8af5f82a20f323a4acdc7ea88f6c65 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Mon, 14 Jul 2025 05:00:56 +0200
Subject: [PATCH 17/31] added code for grep exercise 7

---
 individual-shell-tools/grep/script-07.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/individual-shell-tools/grep/script-07.sh b/individual-shell-tools/grep/script-07.sh
index 9670ebad..9fe1c115 100755
--- a/individual-shell-tools/grep/script-07.sh
+++ b/individual-shell-tools/grep/script-07.sh
@@ -4,3 +4,6 @@ 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 -c '^Doctor:' "$(dirname "$0")"/*.txt | while IFS=: read -r file count; do
+  echo "$(basename "$file") contains $count lines"
+done

From ba9aeed294755b15a614663e5cc5abfdd4936e83 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Mon, 14 Jul 2025 05:07:30 +0200
Subject: [PATCH 18/31] added code for sed exercise 1

---
 individual-shell-tools/sed/script-01.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/individual-shell-tools/sed/script-01.sh b/individual-shell-tools/sed/script-01.sh
index 3eba6fa4..7d33b979 100755
--- a/individual-shell-tools/sed/script-01.sh
+++ b/individual-shell-tools/sed/script-01.sh
@@ -5,3 +5,7 @@ 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' "$(dirname "$0")/input.txt" | while IFS= read -r line; do
+  echo "$line"
+done
+

From 7e46344fd07adc53d375fd20805744143cabbd15 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Mon, 14 Jul 2025 05:21:00 +0200
Subject: [PATCH 19/31] added code for sed exercise 2

---
 individual-shell-tools/sed/script-02.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/sed/script-02.sh b/individual-shell-tools/sed/script-02.sh
index abdd64d0..067649f2 100755
--- a/individual-shell-tools/sed/script-02.sh
+++ b/individual-shell-tools/sed/script-02.sh
@@ -5,3 +5,4 @@ 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' "$(dirname "$0")"/input.txt 

From 201a5c7326526dce5a82dde70de2870f718d317a Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Mon, 14 Jul 2025 05:31:59 +0200
Subject: [PATCH 20/31] added code for sed exercise 3

---
 individual-shell-tools/sed/script-03.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/individual-shell-tools/sed/script-03.sh b/individual-shell-tools/sed/script-03.sh
index dd284a29..04acc9ae 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' "$(dirname "$0")"/input.txt 
+

From 228b6674b2f4f89518d5dff2e80795a318c0f664 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Mon, 14 Jul 2025 05:37:45 +0200
Subject: [PATCH 21/31] added code for sed exercise 4

---
 individual-shell-tools/sed/script-04.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/sed/script-04.sh b/individual-shell-tools/sed/script-04.sh
index 0052ac6c..1dc96b54 100755
--- a/individual-shell-tools/sed/script-04.sh
+++ b/individual-shell-tools/sed/script-04.sh
@@ -4,3 +4,4 @@ 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' "$(dirname "$0")"/input.txt 

From a090b37a0513a47d98a9e3a9a93ef08094e7587a Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Mon, 14 Jul 2025 05:51:22 +0200
Subject: [PATCH 22/31] added code for sed exercise 5

---
 individual-shell-tools/sed/script-05.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/individual-shell-tools/sed/script-05.sh b/individual-shell-tools/sed/script-05.sh
index 2dcc91a0..fbb815ec 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/' "$(dirname "$0")"/input.txt
+

From fe8fac4a6870ce5127f7fa485566e050a52458b4 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Mon, 14 Jul 2025 10:01:03 +0200
Subject: [PATCH 23/31] added code for sed exercise 6

---
 individual-shell-tools/sed/script-06.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/individual-shell-tools/sed/script-06.sh b/individual-shell-tools/sed/script-06.sh
index 0b939017..ba1a6260 100755
--- a/individual-shell-tools/sed/script-06.sh
+++ b/individual-shell-tools/sed/script-06.sh
@@ -8,3 +8,6 @@ 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' "$(dirname "$0")"/input.txt
+
+

From 1fe9d18115423207822668e1652cc74e8b53976a Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Tue, 15 Jul 2025 17:40:33 +0200
Subject: [PATCH 24/31] added coded for awk exercise 1

---
 individual-shell-tools/awk/script-01.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/awk/script-01.sh b/individual-shell-tools/awk/script-01.sh
index 8db4390a..c4f46dcf 100755
--- a/individual-shell-tools/awk/script-01.sh
+++ b/individual-shell-tools/awk/script-01.sh
@@ -4,3 +4,4 @@ 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 $1}' "$(dirname "$0")"/scores-table.txt

From fdab745e074319ca7fafb24a1f522834248e93a6 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Tue, 15 Jul 2025 17:42:44 +0200
Subject: [PATCH 25/31] added code for awk exercise 2

---
 individual-shell-tools/awk/script-02.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/awk/script-02.sh b/individual-shell-tools/awk/script-02.sh
index 5956be9b..237d7120 100755
--- a/individual-shell-tools/awk/script-02.sh
+++ b/individual-shell-tools/awk/script-02.sh
@@ -4,3 +4,4 @@ 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, $2}' "$(dirname "$0")"/scores-table.txt

From 8ee5f3c4292eeb2e2b34bae9e2e1101887049c9c Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Tue, 15 Jul 2025 17:44:40 +0200
Subject: [PATCH 26/31] added code for awk exercise 3

---
 individual-shell-tools/awk/script-03.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/awk/script-03.sh b/individual-shell-tools/awk/script-03.sh
index af7c6e8b..b327c820 100755
--- a/individual-shell-tools/awk/script-03.sh
+++ b/individual-shell-tools/awk/script-03.sh
@@ -5,3 +5,4 @@ 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, $3}' "$(dirname "$0")"/scores-table.txt

From bfd885a173524aa238c4701bb5a04db6021abc83 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Tue, 15 Jul 2025 17:46:30 +0200
Subject: [PATCH 27/31] added code for awk exercise 4

---
 individual-shell-tools/awk/script-04.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/awk/script-04.sh b/individual-shell-tools/awk/script-04.sh
index bf15703c..7c106562 100755
--- a/individual-shell-tools/awk/script-04.sh
+++ b/individual-shell-tools/awk/script-04.sh
@@ -5,3 +5,4 @@ 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 '/London/ {print $1, $NF}' "$(dirname "$0")"/scores-table.txt

From 865a9519ace82ebb33fe98b02328c139a1cd0587 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Tue, 15 Jul 2025 18:33:43 +0200
Subject: [PATCH 28/31] added code awk exercise 5

---
 individual-shell-tools/awk/script-05.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/awk/script-05.sh b/individual-shell-tools/awk/script-05.sh
index d1680cb0..5a97c63a 100755
--- a/individual-shell-tools/awk/script-05.sh
+++ b/individual-shell-tools/awk/script-05.sh
@@ -5,3 +5,4 @@ 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 '{ name = $1; plays = NF - 2; print name, plays}' "$(dirname "$0")"/scores-table.txt 
\ No newline at end of file

From b3014a01c1c0a8e128913649c22d8369978ec714 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Tue, 15 Jul 2025 18:36:15 +0200
Subject: [PATCH 29/31] added code for awk exercise 6

---
 individual-shell-tools/awk/script-06-stretch.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/individual-shell-tools/awk/script-06-stretch.sh b/individual-shell-tools/awk/script-06-stretch.sh
index 0201e637..0ba29634 100755
--- a/individual-shell-tools/awk/script-06-stretch.sh
+++ b/individual-shell-tools/awk/script-06-stretch.sh
@@ -6,3 +6,4 @@ 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 += $3 } END { print total }' "$(dirname "$0")"/scores-table.txt

From 1ba1cb09e0c2cdd10ade72f1c9676c51931a7d49 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Tue, 15 Jul 2025 18:39:00 +0200
Subject: [PATCH 30/31] added code for awk exercise 7

---
 individual-shell-tools/awk/script-07-stretch.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/individual-shell-tools/awk/script-07-stretch.sh b/individual-shell-tools/awk/script-07-stretch.sh
index 3f715588..b5bf1eec 100755
--- a/individual-shell-tools/awk/script-07-stretch.sh
+++ b/individual-shell-tools/awk/script-07-stretch.sh
@@ -7,3 +7,8 @@ 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 '{ name = $1; total = 0; 
+    for (i = 3; i <= NF; i++) 
+    total += $i; 
+    print name, total 
+    }' "$(dirname "$0")"/scores-table.txt

From 48b320318e6774a586f9f9ca6eb56c9b51eddea7 Mon Sep 17 00:00:00 2001
From: Luke-Manyamazi <lukemanyamazi1@gmail.com>
Date: Tue, 15 Jul 2025 20:04:53 +0200
Subject: [PATCH 31/31] added the answers for the number systems exercise

---
 number-systems/README.md | 42 ++++++++++++++++++++--------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/number-systems/README.md b/number-systems/README.md
index 77a3bde9..1f180713 100644
--- a/number-systems/README.md
+++ b/number-systems/README.md
@@ -5,61 +5,61 @@ Do not convert any binary numbers to decimal when solving a question unless the
 The goal of these exercises is for you to gain an intuition for binary numbers. Using tools to solve the problems defeats the point.
 
 Convert the decimal number 14 to binary.
-Answer:
+Answer: 1110
 
 Convert the binary number 101101 to decimal:
-Answer:
+Answer: 45
 
 Which is larger: 1000 or 0111?
-Answer:
+Answer: 1000
 
 Which is larger: 00100 or 01011?
-Answer:
+Answer: 01011
 
 What is 10101 + 01010?
-Answer:
+Answer: 11111
 
 What is 10001 + 10001?
-Answer:
+Answer: 100010
 
-What's the largest number you can store with 4 bits, if you want to be able to represent the number 0?
-Answer:
+What's the largest number you can store with 4 bits, if you want to be able to represent the number 0? 
+Answer: 15
 
 How many bits would you need in order to store the numbers between 0 and 255 inclusive?
-Answer:
+Answer: 8 bits
 
 How many bits would you need in order to store the numbers between 0 and 3 inclusive?
-Answer:
+Answer: 2 bits
 
 How many bits would you need in order to store the numbers between 0 and 1000 inclusive?
-Answer:
+Answer: 10 bits
 
 How can you test if a binary number is a power of two (e.g. 1, 2, 4, 8, 16, ...)?
-Answer:
+Answer:  by using the bitwise formula (N & (N - 1)) == 0
 
 Convert the decimal number 14 to hex.
-Answer:
+Answer: E
 
 Convert the decimal number 386 to hex.
-Answer:
+Answer: 0x182
 
 Convert the hex number 386 to decimal.
-Answer:
+Answer: 902
 
 Convert the hex number B to decimal.
-Answer:
+Answer: 11
 
 If reading the byte 0x21 as a number, what decimal number would it mean?
-Answer:
+Answer: 33
 
 If reading the byte 0x21 as an ASCII character, what character would it mean?
-Answer:
+Answer: !
 
 If reading the byte 0x21 as a greyscale colour, as described in "Approaches for Representing Colors and Images", what colour would it mean?
-Answer:
+Answer: A dark grey shade 
 
 If reading the bytes 0xAA00FF as an RGB colour, as described in "Approaches for Representing Colors and Images", what colour would it mean?
-Answer:
+Answer: Purple
 
 If reading the bytes 0xAA00FF as a sequence of three one-byte decimal numbers, what decimal numbers would they be?
-Answer:
+Answer: 170, 0, 255