February 2006
Intermediate to advanced
304 pages
6h 16m
English
Content preview from Wicked Cool Perl Scripts
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#21 Mass File Renaming
The standard Unix/Linux rename command allows you to change the name of only one file at a time. (You can move multiple files from one directory to another but only really rename one.) If you want to rename multiple files at one time, you'll need a Perl script.
The Code
1 #!/usr/bin/perl 2 use strict; 3 use warnings; 4 5 use Getopt::Std; 6 use vars qw/$opt_n $opt_v $opt_e/; 7 8 if (not getopts("nve:")) { 9 die("Bad options"); 10 } 11 if (not defined($opt_e)) { 12 die("Required option -e missing"); 13 } 14 15 foreach my $file_name (@ARGV) 16 { 17 # Compute the new name 18 my $new_name = $file_name; 19 20 # Perform the substitution 21 eval "\$new_name =~ s$opt_e"; 22 23 # Make sure the names are different 24 if ($file_name ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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