X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=src%2Fssic.pl;h=598468c4dd616bcf082c77f7d3c1c96ee4d40450;hb=a99b19ff50d889d9a1b4a06b31a41ed7c354eaec;hp=8ecc30e92104be274b2178284bcb3cb6bc9f9c45;hpb=c7dbd598e3cddc3161bc718f9ea9df6f15f8fdd6;p=ssic.git

diff --git a/src/ssic.pl b/src/ssic.pl
old mode 100644
new mode 100755
index 8ecc30e..598468c
--- a/src/ssic.pl
+++ b/src/ssic.pl
@@ -1,4 +1,19 @@
 #!/usr/bin/perl
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 use strict;
 use warnings;
@@ -112,7 +127,7 @@ sub compile
 	my $var_value;
 
 	if ($input eq $output and $input ne "-") {
-		error(4, "Input and output files are equal\n");
+		warning("Input and output files are equal\n");
 	}
 
 	if ($input eq "-") {
@@ -127,8 +142,8 @@ sub compile
 	if ($output eq "-") {
 		$output_fh = *STDOUT;
 	} else {
-		if (not open($output_fh, ">", $output)) {
-			error(4, "%s: %s\n", $output, $!);
+		if (not open($output_fh, ">", $output . "~")) {
+			error(4, "%s: %s\n", $output . "~", $!);
 		}
 	}
 
@@ -152,6 +167,17 @@ sub compile
 	}
 
 	print($output_fh $ssi->process(<$input_fh>));
+
+	if ($input ne "-") {
+		close($input_fh);
+	}
+	if ($output ne "-") {
+		close($output_fh);
+	}
+
+	if (not rename($output . "~", $output)) {
+		error(4, "%s: %s\n", $output, $!);
+	}
 }
 
 main();