ex50.sh

一本完整的描述Unix Shell 编程的工具书的所有范例

#!/bin/bash

WIDTH=40                    # 40 columns wide.

b=`ls /usr/local/bin`       # Get a file listing...

echo $b | fmt -w $WIDTH

# Could also have been done by
#    echo $b | fold - -s -w $WIDTH
 
exit 0