teeboth: check cheaper condition in && first

diff --git a/teeboth b/teeboth
index 0612d642b8e67890d4c1192707657a5891f1ae90..5c3f5c04e35ba1a74479e8a23e90e418dfb8c487 100755 (executable)
--- a/teeboth
+++ b/teeboth
@@ -55,7 +55,7 @@ while ( $alive ) {
        foreach my $h ( $select->can_read() ) {
                sysread $h, $_, 1024;
                print $fout $_ if $fout;
-               if ( $h == \*child_err && $interactive ) {
+               if ( $interactive && $h == \*child_err ) {
                        print "\033[31m$_\033[0m";
                } else {
                        print $_;