This file is indexed.

/usr/bin/feh-cam is in feh 2.18-2.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/usr/bin/perl -w

use strict;
use Getopt::Long;

#############################################
############# CAM RUN-TIME OPTIONS ##########
#############################################
my $feh   = "feh";

# additional feh cmdline options
my $PRE  = " -q -G -Twebcam -1 0 -0 1 ";
my $POST = ""; 
#############################################
#############################################

# Options
my $help        = '';
my $fullscreen  = '';
my $geometry    = '';
my $list        = '';
my $verbose     = '';
my $add         = '';
my $keep        = '';
my $deftitle    = '%cCAM - %u';
my $title       = '';
my $bp          = $ENV{HOME}."/.cam_bookmarks";
my $DEBUG       = 0;

# check args
&print_usage_and_exit unless (@ARGV);

print STDERR "Note: feh-cam will be removed from the feh distribution in 2013.\n";
print STDERR "Please mail derf\@finalrewind.org if you still use it.\n";


# Url, Refresh, and bookmarks
my $url = "";
my $ref = "";
my %bms = ();

GetOptions('help|?|h'                    => \$help,
           'full-screen|f|giblets-mom' => \$fullscreen,
           'list|l'                      => \$list,
           'geometry|g=s'                => \$geometry,
           'verbose|v'                   => \$verbose,
           'add|a'                       => \$add,
           'keep-images|k|save-pr0n'     => \$keep,
           'title|t=s'                   => \$title,
           'debug|d'                     => \$DEBUG,
           'bookmarks|b=s'               => \$bp
           );

my $key = shift @ARGV;

&print_usage_and_exit if ($help);

if ($verbose)    {
    $PRE .= " -V ";
}

if ($fullscreen) {
      $PRE =~ s/-w//;
      $PRE .= " --full-screen --auto-zoom ";
}

if ($geometry) {
  $PRE .= " --geometry $geometry ";
}

# if requested, add a key/url pair to bookmarks file
if ($add)    {
    my $mytitle          = '';
    ($url,$ref,$mytitle) = @ARGV;
    die "Bad key syntax\n" unless ($key && $url && $ref);

    $mytitle="" unless ($mytitle);

    open(BMF, ">>$bp") or die "Couldn't open bookmarks file \"$bp\": $!\n";
    print BMF "$key=$ref,$url \"$mytitle\"\n";
    close BMF;
    print "Added URL key \"$key\" = $url, $ref.\n"; # its useful to have this even if you arent debugging --richlowe
    exit 0;
}

if ($keep)    {
    $PRE .= " -k ";
}



# load bookmarks
open(BMF, "$bp") or die "Couldn't open bookmarks file \"$bp\": $!\n";
foreach (<BMF>)    {
    next unless /^(.*?)=(.*)$/;
    $bms{$1} = $2;
    print "key=$1, url=$2\n" if ($DEBUG);
}
close BMF;

# if requested, dump a list of key/url pair values
if ($list) {
    foreach (sort keys %bms)    {
        my $t = $bms{$_}; 

           $t =~ s/^(.+?),(.+?)(^ "(.*)"|)?$/$2/;
        chomp $t;
        print "$_ = $t, $1, $3\n";
    }
    exit 0;
}

# main loop
MAIN: {
    do {
        $title="";
        $url = $bms{$key};
        die "Couldn't find URL key \"$key.\"\n" unless($url);
        
        $url =~ s/^(.+?),(.+?)( "(.*)")?$/$2/;
        $ref = $1;
   
         if ($4) {
            $title = $4;
         } else {
           $title = $deftitle;
         }

        if ($title) {
            $title =~ s/\%c/$key/g;
            $title =~ s/\%u/$url/g;
            $title =~ s/\%r/$ref/g;
            $title =~ s/\%\%/\%/g;
            $title = " --title \"$title\" ";
        }
    
        my $cmd = "$feh $PRE $title -T".$key."cam -R $ref $url $POST";
        print "$cmd\n" if ($DEBUG);
        FORK: {
           my $pid;
            if ($pid = fork) {
                # We're a daddy! :)
            } elsif (defined $pid) {
                # child
                exec "$cmd" or die "Couldnt exec() $feh: $!\n";
            } elsif ( $! =~ /No more process/) {
                sleep 5;
                redo FORK;
            } else {
                # wtf?
                die "Unrecoverable fork() error: $!\n";
            }
        }
    } while ($key = shift @ARGV);
}

   
sub print_usage_and_exit()    {
    print <<END_USAGE;
$0 0.4
by Paul Duncan <pabs\@pablotron.org>, and
   Richard Lowe <richlowe\@btinternet.com>

Description:
  A convenient webcam wrapper for feh.

Usage:
  $0 <keys>
    Load the urls specified by the given keys.
    key : a url key stored in the bookmarks file (\"$bp\").
  $0 <-a|--add> key url refresh
    Add a key to the bookmarks file.
    key : short key (ex \"jenni\"),
    url : url (ex \"http://www.jennicam.org/webcam/cam.jpg\"),
    refresh : refresh, in seconds (ex 120)
  $0 <-l|--list>
    List each url key in the bookmarks file (\"$bp\").
  $0 [-f|--full-screen] keys
    Start feh in full-screen mode (aka --giblets-mom \"viewing\" mode).
  $0 [-k|--keep-images] keys
    Save each image in the current directory (aka --save-pr0n).
  $0 [-g|--geometry] xxx
    Use window geometry xxx (e.g. 640x480).
  $0 [-v|--verbose] options
    Start feh in verbose mode (feh -V).
  $0 <-h|-?|--help>
    Display usage information (this screen).

Notes:
Thanks to giblet for feh, an awesome image and webcam viewing program,
and raster for Imlib2.
END_USAGE
    exit(-1);
}