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Script to recursively replace uderscores with spaces and lowercase file/folder names

Posted on 2006-10-31
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Last Modified: 2011-09-20
Hello,

I need a script to recursively replace spaces with underscores in file/folder names and also lowercase all file/folder names. I am new to Perl so I would greatly appreciate a bit of detail in how the solution works also. Please let me know if any additional information is required.
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Question by:austerhaus
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ozo earned 1200 total points
ID: 17845432
perl -MFile::Find -e 'find({wanted=>sub{my $n=$_; rename $_,$n or warn "$n $!" if $n=~tr/ A-Z/_a-z/},bydepth=>1},".")'
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by:mjcoyne
ID: 17849100
#!/usr/bin/perl -w
use strict;
use File::Find;

find(\&rename, ".");                   # search the current directory and all under it

sub rename {
    if (/[\sA-Z]/) {                       # if there are spaces or capital letters
        my $newname = lc($_);     # lowercase the filename
        $newname =~ s/\s+/_/g;   # replace all spaces with underscores
        rename ($_, $newname)     # rename the file or issue a warning
        or warn "Couldn't rename $File::Find::name to $newname: $!\n";
    }
    return;
}
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Author Comment

by:austerhaus
ID: 18093997
Sorry, I could have sworn that I closed this one. ozo, thank you for you effort. That worked perfectly.
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