grep

Author: RahmaB1

individual-shell-tools/grep/script-01.sh

@@ -4,3 +4,6 @@ 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 -i "^Doctor" dialogue.txt

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

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 -c -i "Doctor" dialogue.txt

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 -v -i "Hello" dialogue.txt

individual-shell-tools/grep/script-05.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 
 set -euo pipefail
+grep -B 1 "cure" dialogue.txt
 
 # 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).

individual-shell-tools/grep/script-06.sh

@@ -2,5 +2,6 @@
 
 set -euo pipefail
 
+grep -i -l "^Doctor" *.txt
 # 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.

individual-shell-tools/grep/script-07.sh

@@ -4,3 +4,4 @@ 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 -c "^Doctor" *.txt

individual-shell-tools/wc/script-01.sh

@@ -4,3 +4,7 @@ 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.
+cd ..
+cd helper-files
+wc -w helper-3.txt
+

individual-shell-tools/wc/script-02.sh

@@ -2,5 +2,9 @@
 
 set -euo pipefail
 
+cd ..
+cd helper-files
+wc -l helper-3.txt
+
 # 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.

individual-shell-tools/wc/script-03.sh

@@ -2,6 +2,11 @@
 
 set -euo pipefail
 
+cd ..
+cd helper-files
+wc helper-*.txt
+
+
 # TODO: Write a command to output the number of lines, words, and characters in all of the files inside the helper-files directory.
 # The output should be something like:
 #        1       4      20 ../helper-files/helper-1.txt