标签：shell命令去除空格
1.去除开头的一个或多个空格#echo " forand 123 00 a " | sed 's/^[ ]*//g' #echo " forand 123 00 a " | sed 's/^[[:space:]]*//g' #var=" forane 123 00 a ";echo $var
2.去除所有空格
echo " forand 123 00 a " |tr -d " "`
var=" forand 123 00 a ";echo ${var// /}
echo " forand 123 00 a " | sed 's/^[[:space:]]*//g'
echo " forand 123 00 a " | awk '{gsub(/ /,"")}1'标签：shell命令去除空格
原文地址：http://blog.51cto.com/853056088/2126068
