例子:
#!/bin/bash
line=”root:x:0:0:root:/root:/bin/bash”
oldIFS=$IFS #保存默认的IFS
IFS=”:” #新IFS是:
count=0
for item in $line;
do
[ $count -eq 0 ] && user=$item
[ $count -eq 6 ] && shell=$item
let count++
done
IFS=$oldIFS
echo “$user \’s shell is $shell”