From 31e231d16cb7d40f3db8b9800e53f6e6412bea1e Mon Sep 17 00:00:00 2001
From: Birte Kristina Friesel <derf@finalrewind.org>
Date: Sat, 11 Nov 2023 08:40:00 +0100
Subject: Only use formatting escapes when connected to a terminal

---
 bin/hafas | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'bin/hafas')

diff --git a/bin/hafas b/bin/hafas
index 38ac2ad..7f8c289 100755
--- a/bin/hafas
+++ b/bin/hafas
@@ -39,6 +39,9 @@ for my $arg (@ARGV) {
 	$arg = decode( 'UTF-8', $arg );
 }
 
+my $output_bold  = -t STDOUT ? "\033[1m" : q{};
+my $output_reset = -t STDOUT ? "\033[0m" : q{};
+
 GetOptions(
 	'd|date=s'     => \$date,
 	'h|help'       => sub { show_help(0) },
@@ -314,7 +317,8 @@ for my $res ( @{ $hafas->{results} } ) {
 
 	for my $sec ( $res->sections ) {
 		if ( $sec->type eq 'JNY' ) {
-			printf( "\033[1m%s\033[0m → %s\n", $sec->name, $sec->direction );
+			printf( "${output_bold}%s${output_reset} → %s\n",
+				$sec->name, $sec->direction );
 			printf(
 				"%-5s %-${have_delay}s ab  %s\n",
 				$sec->dep_datetime->strftime('%H:%M'),
-- 
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