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annotate bin/putcrc.pl @ 693:37a2470380f2

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[bashrc] Fix comment about freebsd grep
author nanaya <me@nanaya.pro>
date Sun, 23 Oct 2022 01:56:54 +0900
parents 5bafb912837e
children
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1 #!/usr/bin/perl
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2
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3 use warnings;
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4 use strict;
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5 use String::CRC32;
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6
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7 my @files = @ARGV or print("Usage: ren file1 ... fileN\n") && exit(1);
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8 my $skip=0;
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9 foreach (@files) {
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10 my $newname = $_;
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11 open(FILE,$_);
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12 my $crc=sprintf("%08X",crc32(*FILE));
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13 close(FILE);
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14 $newname =~ s/(.*)\.([^.]*)/$1 [$crc].$2/;
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15 $newname =~ s/\] (\[$crc)/]$1/;
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16 print(qq($_: $newname already exists, skipping\n)) and next() if -e $newname and $_ ne $newname;
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17 if ($_ eq $newname) {
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18 print("$_: no need to rename, skipping\n");
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19 } else {
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20 if($skip==1) { print("$_ --> $newname\n"); }
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21 else {
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22 if(rename($_, $newname)) { print("$_ -> $newname\n"); }
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23 else { print("$_: rename failed"); }
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24 }
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25 }
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26 next();
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27 }
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28
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29 exit(0);