runit

Advanced Bash&#8722 Scripting Guide An in&#8722 depth exploration of the art of shell scripting Me

#/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