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linux shell ±à³ÌÖ®sedºÍawk

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file="include/linux/videodev.sh"

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¾ÍÔÚÄãµÄ»ù´¡ÉÏ¸Ä°É ÄãµÚÒ»¾ä»¹Ð´´íÁËC/C++ code:

#!/bin/bash
file="include/linux/videodev.sh"
echo ${file} | awk -F'/' '{for(i=1;i<NF;i++){printf $i"/"}}'



È»ºóÖ´ÐÐÕâ¸öshell½Å±¾ Êä³öµÄ¾ÍÊÇÄãÒªµÄinclude/linux/ÁË
file=ºóÃæµÄÄǸö·¾¶±ä³¤±ä¶Ì Õâ¸ö½Å±¾¶¼Í¨ÓÃ

${file%/*}



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${file%/*}


C/C++ code:

#!/bin/sh
file="include/linux/videodev.sh"
dir=$(echo $file | awk -F/ '{ORS="/";for(i=1;i<NF;i++) print $i}'
echo $dir




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