+ my ($squish_pty);
+ if ($serial) {
+ for my $dir (split (':', $ENV{PATH})) {
+ $squish_pty = "$dir/squish-pty", last if -x "$dir/squish-pty";
+ }
+ print "warning: can't find squish-pty, so terminal input will fail\n"
+ if !defined $squish_pty;
+ }
+