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#!/usr/bin/perl -w
# Copyright © 2015-2016 Dave Odell <dmo2118@gmail.com>
#
# Permission to use, copy, modify, distribute, and sell this software and its
# documentation for any purpose is hereby granted without fee, provided that
# the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation. No representations are made about the suitability of this
# software for any purpose. It is provided "as is" without express or
# implied warranty.
# This is a replacement for seticon from http://osxutils.sourceforge.net/.
require 5;
use diagnostics;
use strict;
#use IPC::Open2;
use File::Temp;
my $progname = $0; $progname =~ s@.*/@@g;
my ($version) = ('$Revision: 1.7 $' =~ m/\s(\d[.\d]+)\s/s);
my $verbose = 0;
sub set_icon ($$) {
my ($icon, $target) = @_;
my $target_res = $target;
if (-d $target) {
$target_res = $target_res . "/Icon\r";
}
# Rez hates absolute paths, apparently.
if ($icon =~ m@^/@s) {
my $cwd = `pwd`;
chomp $cwd;
$icon =~ s@^\Q$cwd/@@s;
}
# The Rez language is documented in "Building and Managing Programs in MPW,
# Second Edition". No longer available on Apple's servers, it can now be
# found at:
# http://www.powerpc.hu/manila/static/home/Apple/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./Documentation/MPW_Reference/Building_Progs_In_MPW.sit.hqx
my $pgm = "Read 'icns' (kCustomIconResource) \"$icon\";\n";
# Rez can read from stdin, but only if it is a file handle, not if it
# is a pipe (OS X 10.9, Xcode 5; OSX 10.11, Xcode 6).
my ($rez_fh, $rez_filename) = File::Temp::tempfile(DIR => '.', UNLINK => 1);
print $rez_fh $pgm;
close $rez_fh;
my @cmd = ('Rez',
'-isysroot',
'/Applications/Xcode.app/Contents/Developer/Platforms' .
'/MacOSX.platform/Developer/SDKs/MacOSX.sdk',
'CoreServices.r',
$rez_filename,
'-o', $target_res);
print STDERR "$progname: exec: " . join(' ', @cmd) . "\n$pgm\n"
if ($verbose);
# my ($in, $out);
# my $pid = open2 ($out, $in, @cmd);
# print $in $pgm;
# close ($in);
# waitpid ($pid, 0);
system (@cmd);
my $exit = $? >> 8;
exit ($exit) if $exit;
# Have to also inform Finder that the icon is there, with the
# com.apple.FinderInfo xattr (a FolderInfo struct).
@cmd = ('SetFile', '-a', 'C', $target);
system (@cmd);
$exit = $? >> 8;
exit ($exit) if $exit;
}
sub error($) {
my ($err) = @_;
print STDERR "$progname: $err\n";
exit 1;
}
sub usage() {
print "Usage: $progname -d source [file...]\n";
exit 1;
}
sub main() {
my ($src, @dst);
while ($#ARGV >= 0) {
$_ = shift @ARGV;
if (m/^--?verbose$/s) { $verbose++; }
elsif (m/^-v+$/s) { $verbose += length($_)-1; }
elsif (m/^-d$/s) { $src = shift @ARGV; }
elsif (m/^-/s) { usage(); }
else { push @dst, $_; }
}
error ("no source") unless defined($src);
error ("no files") unless @dst;
foreach my $f (@dst) {
set_icon ($src, $f);
}
}
main();
exit 0;
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