lspath

Berkely的学生写的

#!/bin/sh
# Chapter 14 - Functions
# This script demonstrates a simple function called ls path
# that lists the directories in $PATH. To use this functions
# you need to "require" it into your environment as follows
# (assuming you are in the same directory as this script):
#
#   . ./lspath

lspath() {
    OLDIFS="$IFS"
    IFS=:
    for DIR in $PATH ; do echo $DIR ; done
    IFS="$OLDIFS"
}