/usr/share/doc/hddtemp/contribs/analyze/plot-field.pl is in hddtemp 0.3-beta15-52.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #!/usr/bin/perl
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
use strict;
my $id=$ARGV[0] || die "USAGE: $0 <field_id>";
my $tmpdir = ".";
opendir(DIR, $tmpdir) || die "can't opendir $tmpdir: $!";
my @logs = grep { /^hddtemp-\d+$/ && -f "$tmpdir/$_" } readdir(DIR);
closedir DIR;
foreach my $log (@logs) {
# field(12) = 58
open(HDLOG, "<$tmpdir/$log") || die "can't open file $tmpdir/log: $!";
if ( $log =~ /^hddtemp\-(\d+)$/ ) {
my $stamp = $1;
while (<HDLOG>) {
if ( $_ =~ /^field\($id\)\s+= (\d+)$/o ) {
print "$stamp $1\n";
last;
}
}
}
close(HDLOG);
}
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