linux shell 获取执行脚本文件所在的目录

#!/usr/bin/env sh
#get script file dir
getsd() {
oldwd=`pwd`
rw=`dirname $0`
cd $rw
sw=`pwd`
cd $oldwd
echo $sw
}
echo `getsd`

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转载自uzoice.iteye.com/blog/1833318
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