runit

UNIX[1].shell范例精解(第4版)_code

#!/bin/ksh
# 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
	print Hi $persons
done
IFS="$OLDIFS"             # Reset the IFS to old value

set Jill Jane Jolene      # Set positional parameters
for girl in $*
do
	print Howdy $girl
done