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rename -v 's/_//g' *
-v, --verbose
-n, --no-act
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's/_//g' means substitute '_' with nothing (which means remove the '_' mark). Without the 'g' at the end, it will only deal with the first '_' mark in a filename.
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Usually you should use -n and -v option to test your expression. After you make sure that it works as you expected, remove the -n option to do the real job. |
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