runit

来自「UNIX[1].shell范例精解(第4版)_code」· 代码 · 共 19 行

#/bin/sh
# Script is called runit.
# IFS is the internal field separator and defaults to 
# spaces, tabs, and newlines. 
# In this script it is changed to a colon.
names=Tom:Dick:Harry:John
OLDIFS="$IFS"  # Save the original value of IFS
IFS=":"
for persons in $names
do
	echo  Hi $persons
done
IFS="$OLDIFS"            # Reset the IFS to old value
set Jill Jane Jolene     # Set positional parameters
for girl in $*
do
	echo Howdy $girl
done