mirror of https://github.com/cheat/cheat.git
28 lines
530 B
Plaintext
28 lines
530 B
Plaintext
# To implement a for loop:
|
|
for file in *;
|
|
do
|
|
echo $file found;
|
|
done
|
|
|
|
# To implement a case command:
|
|
case "$1"
|
|
in
|
|
0) echo "zero found";;
|
|
1) echo "one found";;
|
|
2) echo "two found";;
|
|
3*) echo "something beginning with 3 found";;
|
|
esac
|
|
|
|
# Turn on debugging:
|
|
set -x
|
|
|
|
# Turn off debugging:
|
|
set +x
|
|
|
|
# Retrieve N-th piped command exit status
|
|
printf 'foo' | fgrep 'foo' | sed 's/foo/bar/'
|
|
echo ${PIPESTATUS[0]} # replace 0 with N
|
|
|
|
# Lock file:
|
|
( set -o noclobber; echo > my.lock ) || echo 'Failed to create lock file'
|