thanks dtech10 the 2 batch file work fine but now I have some problem whit this file : xx - filename.txt or xx - subtitle - filename.txt I think that is a simple modification of the previous ones, but I'm not be able. :-( thanks also to SN

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Hi Lisa Do you mean there are spaces before and after the hyphen in your filenames.

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Yes dtech10, there are space before and after the hyphen in the file name.

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Hi Lisa Use this it contains the first batch file code and the extra code to delete filenames containing " - " @echo off rem Rename files with extra spaces in then dir /b *.txt | find " - " > files.tmp for /f "tokens=1* delims=- " %%a in (files.tmp) do ren "%%a - %%b" "%%b" dir /b *.txt | find " - " > files.tmp for /f "tokens=1* delims=- " %%a in (files.tmp) do ren "%%a - %%b" "%%b" rem Rename without extra spaces in them dir /b *.txt | find "-" > files.tmp for /f "tokens=1* delims=-" %%a in (files.tmp) do ren %%a-%%b %%b dir /b *.txt | find "-" > files.tmp for /f "tokens=1* delims=-" %%a in (files.tmp) do ren %%a-%%b %%b rem Tidyup del files.tmp

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Here's a Perl script that does exactly what you asked for. #!perl -w while (<*>) { if (/([^\s-]+)$/) {rename $_, $1;} }

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Actually, we may want to change the regex to be a little more expicit. if (/^\d+[\s-]+(\w+\.txt)$/) {rename $_, $1;}

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While I'm at it, this can be done as 1 single line at the command prompt instead of a script, like this: perl -e "while(<*>){if (/^\d+[\s-]+(\w+\.txt)$/) {rename $_, $1;}}"

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