Support "-" file names (STDIN and STDOUT).

[ssic.git] / src / ssic.pl

diff --git a/src/ssic.pl b/src/ssic.pl
index 80e2071b41db0ccecf3f8ce9402f182009f871de..e5fa2be81774fa9052bd7ef21e2cb6c923bce75f 100644 (file)
--- a/src/ssic.pl
+++ b/src/ssic.pl
@@ -86,16 +86,16 @@ sub version
 
 sub warning
 {
-       my ($fmt, $args) = @_;
+       my ($fmt, @args) = @_;
 
-       printf("ssic: Warning: " . $fmt, $args);
+       printf("ssic: Warning: " . $fmt, @args);
 }
 
 sub error
 {
-       my ($status, $fmt, $args) = @_;
+       my ($status, $fmt, @args) = @_;
 
-       printf("ssic: Error: " . $fmt, $args);
+       printf("ssic: Error: " . $fmt, @args);
        exit($status);
 }
 
@@ -112,8 +112,20 @@ sub compile
                error(4, "Input and output files are equal\n");
        }
 
-       open($input_fh, "<", $input);
-       open($output_fh, ">", $output);
+       if ($input eq "-") {
+               $input_fh = *STDIN;
+       } else {
+               if (not open($input_fh, "<", $input)) {
+                       error(4, "%s: %s\n", $input, $!);
+               }
+       }
+       if ($output eq "-") {
+               $output_fh = *STDOUT;
+       } else {
+               if (not open($output_fh, ">", $output)) {
+                       error(4, "%s: %s\n", $output, $!);
+               }
+       }
 
        %ENV = (
                "DOCUMENT_NAME" => $input,