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device=/dev/mapper/sudo kpartx -va $loopdevice | sed -E 's/.(loop[0-9])p./\1/g' | head -1 这一句话可能导致如果你的loop超过10以后将很报错 你的正则表达式只操作了loop0-loop9 超过将会报错，所以最好改为s/.(loop[0-9]+)p./\1/g 最后是这样 `device=/dev/mapper/`sudo kpartx -va $loopdevice | sed -E 's/.*(loop[0-9]+)p.*/\1/g' | head -1
device=/dev/mapper/
这一句话可能导致如果你的loop超过10以后将很报错 你的正则表达式只操作了loop0-loop9 超过将会报错，所以最好改为s/.(loop[0-9]+)p./\1/g 最后是这样 `device=/dev/mapper/`sudo kpartx -va $loopdevice | sed -E 's/.*(loop[0-9]+)p.*/\1/g' | head -1
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device=/dev/mapper/sudo kpartx -va $loopdevice | sed -E 's/.(loop[0-9])p./\1/g' | head -1这一句话可能导致如果你的loop超过10以后将很报错 你的正则表达式只操作了loop0-loop9 超过将会报错，所以最好改为s/.(loop[0-9]+)p./\1/g 最后是这样 `device=/dev/mapper/`sudo kpartx -va $loopdevice | sed -E 's/.*(loop[0-9]+)p.*/\1/g' | head -1The text was updated successfully, but these errors were encountered: