112 lines
2.2 KiB
Plaintext
112 lines
2.2 KiB
Plaintext
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use strict;
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my (%old, %new);
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my ($dir, $fname, $size, $dirprinted, $sectionprinted);
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if((scalar @ARGV) != 2) {
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die "Usage: perl dirdiff <first file> <second file>\n";
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}
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open(FILE, $ARGV[0]) or die "Failure to open $ARGV[0]: $!";
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while(<FILE>) {
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chomp;
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if( ($dir, $fname, $size) = m/(.*\/)(.*) ([0-9]+$)/ ) {
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$old{$dir}{$fname} = $size;
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}
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}
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close(FILE);
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open(FILE, $ARGV[1]) or die "Failure to open $ARGV[1]: $!";
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while(<FILE>) {
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chomp;
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if( ($dir, $fname, $size) = m/(.*\/)(.*) ([0-9]+$)/ ) {
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$new{$dir}{$fname} = $size;
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}
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}
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close(FILE);
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print("Files:\n");
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#
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# added entries
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#
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$sectionprinted = 0;
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foreach $dir (sort keys %new) {
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$dirprinted = 0;
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foreach $fname (sort keys %{$new{$dir}}) {
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if(!defined($old{$dir}{$fname})) {
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if(!$sectionprinted) {
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$sectionprinted = 1;
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print(" Added:\n");
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}
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if(!$dirprinted) {
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print(" $dir\n");
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$dirprinted = 1;
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}
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print(" $fname\n");
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}
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}
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}
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#
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# deleted entries
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#
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$sectionprinted = 0;
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foreach $dir (sort keys %old) {
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$dirprinted = 0;
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foreach $fname (sort keys %{$old{$dir}}) {
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if(!defined($new{$dir}{$fname})) {
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if(!$sectionprinted) {
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$sectionprinted = 1;
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print(" Deleted:\n");
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}
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if(!$dirprinted) {
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print(" $dir\n");
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$dirprinted = 1;
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}
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print(" $fname\n");
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}
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}
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}
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#
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# changed entries
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#
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$sectionprinted = 0;
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foreach $dir (sort keys %old) {
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$dirprinted = 0;
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foreach $fname (sort keys %{$old{$dir}}) {
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if(defined($new{$dir}{$fname})) {
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if($new{$dir}{$fname} == $old{$dir}{$fname}) {
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next;
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}
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if(!$sectionprinted) {
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$sectionprinted = 1;
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print(" Changed:\n");
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}
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if(!$dirprinted) {
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print(" $dir\n");
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$dirprinted = 1;
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}
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print(" $fname\n");
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}
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}
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}
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