diff options
| -rw-r--r-- | bash.html.markdown | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/bash.html.markdown b/bash.html.markdown index 845ebead..061d35b0 100644 --- a/bash.html.markdown +++ b/bash.html.markdown @@ -134,14 +134,28 @@ case "$VARIABLE" in esac # for loops iterate for as many arguments given: -# The contents of var $VARIABLE is printed three times. +# The contents of $VARIABLE is printed three times. for VARIABLE in {1..3} do echo "$VARIABLE" done +# They can also be used to act on files.. +# This will run the command 'cat' on file1 and file2 +for VARIABLE in file1 file2 +do + cat "$VARIABLE" +done + +# ..or the output from a command +# This will cat the output from ls. +for OUTPUT in $(ls) +do + cat "$OUTPUT" +done + # while loop: -while [true] +while [ true ] do echo "loop body here..." break |