differences for PR #290

Author: actions-user

04-loops.md

@@ -101,9 +101,9 @@ We have called the variable in this loop `filename` in order to make its purpose
 Complete the blanks in the for loop below to print the name, first line, and last line of each text file in the current directory.
 
 ```bash
-___ file in *.txt
+___ filename in *.txt
 __
-	echo "_file"
+	echo "_filename"
 	head -n 1 _______
 	____ __ _ _______
 ____
@@ -114,11 +114,11 @@ ____
 ## Solution
 
 ```bash
-for file in *.txt
+for filename in *.txt
 do
-	echo "$file"
-	head -n 1 "$file"
-	tail -n 1 "$file"
+	echo "$filename"
+	head -n 1 "$filename"
+	tail -n 1 "$filename"
 done
 ```
 
@@ -140,11 +140,11 @@ Alternatively, rather than running the loop above on the command line, you can s
 #!/bin/bash
 # This script loops through .txt files, returns the file name,
 # first line, and last line of the file
-for file in *.txt
+for filename in *.txt
 do
-	echo "$file"
-	head -n 1 "$file"
-	tail -n 1 "$file"
+	echo "$filename"
+	head -n 1 "$filename"
+	tail -n 1 "$filename"
 done
 ```
 

files/my_first_bash_script.sh

@@ -2,9 +2,9 @@
 # This script loops through .txt files, returns the
 # file name, first line, and last line of the file
 
-for file in *.txt
+for filename in *.txt
 do
- echo "$file"
- head -n 1 "$file"
- tail -n 1 "$file"
+ echo "$filename"
+ head -n 1 "$filename"
+ tail -n 1 "$filename"
 done

md5sum.txt

@@ -7,7 +7,7 @@
 "episodes/01-intro-shell.md" "4248552de8d7fe3f30930e93acef8436" "site/built/01-intro-shell.md" "2023-05-08"
 "episodes/02-navigating-the-filesystem.md" "a55e2785748efba647329295a246802c" "site/built/02-navigating-the-filesystem.md" "2024-05-02"
 "episodes/03-working-with-files-and-folders.md" "f28760ce8c1c6e3b96c8b6ccacc55772" "site/built/03-working-with-files-and-folders.md" "2024-02-23"
-"episodes/04-loops.md" "85f66d92cc6fc1a25b0214c0d108f892" "site/built/04-loops.md" "2025-11-18"
+"episodes/04-loops.md" "1f43d5e62ccc59bbe5b9252d127da20f" "site/built/04-loops.md" "2025-11-18"
 "episodes/05-counting-mining.md" "8a1409e608d737dc37bb8057e9d6260b" "site/built/05-counting-mining.md" "2025-02-12"
 "episodes/06-free-text.md" "0189b30bfbfaaa9ab8e754834500b2f0" "site/built/06-free-text.md" "2024-06-05"
 "instructors/instructor-notes.md" "c317e03b34390725b50f49df1bf943b1" "site/built/instructor-notes.md" "2024-02-23"