if [[ $# -eq 0 ]] ; then
echo 'some message'
exit 0
fi
case "$1" in
1) echo 'you gave 1' ;;
*) echo 'you gave something else' ;;
esac
Advanced Bash-Scripting Guide是相当不错。尽管它的名字，它确实治疗的基础。
if [[ $# -eq 0 ]] ; then
echo 'some message'
exit 0
fi
case "$1" in
1) echo 'you gave 1' ;;
*) echo 'you gave something else' ;;
esac
Advanced Bash-Scripting Guide是相当不错。尽管它的名字，它确实治疗的基础。
