listpath1

linux脚本编程的例子

IFS=:

for dir in $PATH; do
    if [ -z "$dir" ]; then dir=.; fi

    if ! [ -e "$dir" ]; then
        echo "$dir doesn't exist"
    elif ! [ -d "$dir" ]; then
        echo "$dir isn't a directory"
    else
        ls -ld $dir
    fi
done