From 20be67fb7cbd7886caf5ba491812074f5a3be226 Mon Sep 17 00:00:00 2001
From: "P. J. McDermott" <pjm@nac.net>
Date: Sun, 22 Sep 2013 14:45:25 -0400
Subject: [PATCH] Add -D option.

---
 src/ssic.pl | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/ssic.pl b/src/ssic.pl
index b6876d5..117864b 100644
--- a/src/ssic.pl
+++ b/src/ssic.pl
@@ -18,6 +18,7 @@ sub main
 		"no_getopt_compat");
 	if (not GetOptions(\%opts,
 			"o=s",
+			"D=s%",
 			"h|help",
 			"V|version",
 		)) {
@@ -41,12 +42,12 @@ sub main
 		if ($#ARGV gt 0) {
 			error(4, "Cannot specify -o with multiple files\n");
 		}
-		compile($ARGV[0], $opts{'o'});
+		compile($ARGV[0], $opts{'o'}, $opts{'D'});
 	} else {
 		for $input (@ARGV) {
 			$output = $input;
 			$output =~ s/\.[^.]+$/.html/;
-			compile($input, $output);
+			compile($input, $output, $opts{'D'});
 		}
 	}
 }
@@ -64,9 +65,10 @@ sub help
 
 	usage($fh);
 	print("Options:\n");
-	print("  -o <output>    Place the output into <output>\n");
-	print("  -h, --help     Display this information\n");
-	print("  -V, --version  Display compiler version information\n");
+	print("  -D <name>=<value>  Set the variable <name> to <value>\n");
+	print("  -o <output>        Place the output into <output>\n");
+	print("  -h, --help         Display this information\n");
+	print("  -V, --version      Display compiler version information\n");
 }
 
 sub version
@@ -99,10 +101,12 @@ sub error
 
 sub compile
 {
-	my ($input, $output) = @_;
+	my ($input, $output, $vars) = @_;
 	my $input_fh;
 	my $output_fh;
 	my $ssi;
+	my $var_name;
+	my $var_value;
 
 	if ($input eq $output) {
 		error(4, "Input and output files are equal\n");
@@ -114,6 +118,10 @@ sub compile
 	$CGI::SSI::DEBUG = 0;
 	$ssi = CGI::SSI->new();
 
+	while (($var_name, $var_value) = each(%{$vars})) {
+		$ssi->set($var_name => $var_value);
+	}
+
 	print($output_fh $ssi->process(<$input_fh>));
 }
 
-- 
2.31.1