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一些常用的bash命令
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| #统计文件数目 | |
| ls -l |grep "^-" | wc -l | |
| #批量改名 | |
| for files in `ls *` | |
| do | |
| mv $files `echo "xxx_$i.jpg"` | |
| let "i++" | |
| done |
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