shell处理文本可能没有perl强大，但是在一些特殊用途下也是很出色的，废话少说，直接看如下实例:
[ @linux source]$cat sinadept.txt
Harry Potter:100:Magic School
Alex Jason:200:Sales
Yu Chao:300:SINA Product Development
Sanjay Gupta:400:Support
Nisha Singh:500:Sales
Yu Jun:1000:Peking University EECS
[ @linux source]$cat sinastaff.sh
#!/bin/sh
#yuchao1@staff.sina.com.cn
IFS=:
echo "Employee Names:"
echo "---------------"
while read name empid dept
do
echo "$name is part of $dept department"
done < ~/source/sinadept.txt
[ @linux source]$sh sinastaff.sh
Employee Names:
---------------
Harry Potter is part of Magic School department
Alex Jason is part of Sales department
Yu Chao is part of SINA Product Development department
Sanjay Gupta is part of Support department
Nisha Singh is part of Sales department
Yu Jun is part of Peking University EECS department
[ @linux source]$
可以看到，根据我们特地的要求输出了确定的值了。