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109 lines
2.7 KiB
Perl
Executable File
109 lines
2.7 KiB
Perl
Executable File
#!/usr/bin/env perl
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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#require 'open3.pl';
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#This script is a modified version of mtime to be used as part of a sensor in the
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#software managemnent system. This PERL script goes and finds the latest changed file via mtime
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# It recurses the directory structure starting with the directory passed in via the command line
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# (directory routine) and checks each file.
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#
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# Result is put to stdout
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$mtime = 0;
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$startdir = @ARGV[0];
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chomp($startdir);
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if (-d $startdir) { #directory
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&directory("/", *mtime);
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}
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elsif (-f $startdir) { #file
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my ($dv, $in, $m, $nl, $u, $g, $rd, $siz, $at, $mtime1) = stat($startdir);
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$mtime = $mtime1;
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}
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else { exit 1; } #not a recognized format
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print $mtime;
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exit 0;
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#
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# directory
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#
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# Goes through directory tree to find files we need to pay attention too.
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# Each file is checked for mtime.
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#
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sub directory
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{
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local ($dir, *mtime, $nlink) = @_;
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local ($dev, $ino, $mode, $subcount, $dirtry, $namedirtry, $name1, $name,
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$dir1, $mtime1, $dv, $in, $m, $nl, $u, $g, $rd, $siz, $at);
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($dev, $ino, $nlink) = stat($dir) unless $nlink;
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$dirtry = $startdir;
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$dirtry .= $dir;
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$dir1 = substr($dir, 1);
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opendir(DIR, $dirtry);
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local (@filenames) = readdir(DIR);
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if ($nlink == 2) {
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for (@filenames) {
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next if $_ eq '.';
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next if $_ eq '..';
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#
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# Check to see if the mtime of this file is later than the current mtime
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#
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$name = "$dir/$_";
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$name1 = "$dir1/$_";
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$name2 = "/$startdir/$name1";
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($dv, $in, $m, $nl, $u, $g, $rd, $siz, $at, $mtime1) = stat($name2);
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if ($mtime1 > $mtime) {
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$mtime = $mtime1;
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}
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}
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}
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else {
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$subcount = $nlink - 2;
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for (@filenames) {
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next if $_ eq '.';
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next if $_ eq '..';
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#
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# Check to see if the mtime of this file is later than the current mtime
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#
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$name = "$dir/$_";
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$name1 = "$dir1/$_";
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$name2 = "/$startdir/$name1";
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($dev, $ino, $m, $nl, $u, $g, $rd, $siz, $at, $mtime1) = stat($name2);
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if ($mtime1 > $mtime && !(-d $name2)) {
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$mtime = $mtime1;
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}
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next if $subcount == 0;
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#
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# Recurse into next lower subdirectory
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#
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$namedirtry = "/$startdir/";
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$namedirtry .= $name;
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($dev, $ino, $mode, $nlink) = lstat($namedirtry);
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#next unless -d _;
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next unless { $nlink > 1 }
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&directory($name, *mtime, $nlink);
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--$subcount;
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}
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}
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}
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