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#!/usr/bin/env perl
use strict;
use warnings;
use 5.014;
use Config;
use Path::Class;
use POSIX qw(mkfifo);
use constant {
FIFO_PATH => "$ENV{HOME}/.cache/tmux/clipboard/",
COPY_CMD => ($Config{osname} eq 'linux' ? 'xclip -i' : 'pbcopy'),
PASTE_CMD => ($Config{osname} eq 'linux' ? 'xclip -o' : 'pbpaste'),
};
my $fifo_file = file(FIFO_PATH, $$);
$fifo_file->dir->mkpath;
$fifo_file->remove;
END { $fifo_file->remove }
mkfifo("$fifo_file", 0700);
if ($ARGV[0] eq 'copy') {
if (fork) {
close STDIN;
close STDOUT;
close STDERR;
open my $clipboard, '|-', COPY_CMD
or die "can't copy from clipboard using ${\COPY_CMD}: $!";
$clipboard->print($fifo_file->slurp);
$clipboard->close;
}
else {
exec("tmux save-buffer -a $fifo_file");
}
}
elsif ($ARGV[0] eq 'paste') {
if (fork) {
close STDIN;
close STDOUT;
close STDERR;
open my $clipboard, '-|', PASTE_CMD
or die "can't paste from clipboard using ${\PASTE_CMD}: $!";
my $contents = do { local $/; <$clipboard> };
$clipboard->close;
$fifo_file->spew(iomode => 'a', $contents);
}
else {
system("tmux load-buffer -b tmux-clipboard $fifo_file");
exec("tmux paste-buffer -b tmux-clipboard -dp");
}
}
else {
die "usage: $0 [copy|paste]";
}
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