Read from stdin if parameter is -

diff --git a/sm.1 b/sm.1
index 5277206..dcdda25 100644 (file)
--- a/sm.1
+++ b/sm.1
@@ -19,7 +19,7 @@
 sm \- Displays a short text fullscreen
 .SH SYNOPSIS
 .B sm
-.RI [ text ]
+.RI [ text | -  ]
 .SH DESCRIPTION
 .BR Screen\ Message 
 will display a given multi-line message as large as
@@ -34,7 +34,8 @@ To quit the program, press Ctrl-Q or press the button.
 .SH OPTIONS
 .TP
 .RI [ text ]
-Text to display at start up. Defaults to ":-)"
+Text to display at start up. Defaults to ":-)". If "-" is passed to sm,
+it will read the text to display from stdin.
 
 .SH AUTHOR
 This manual page was written by Joachim Breitner <nomeata@debian.org>,

diff --git a/sm.c b/sm.c
index cb7aa8f..024bd5c 100644 (file)
--- a/sm.c
+++ b/sm.c
@@ -158,8 +158,18 @@ int main(int argc, char **argv) {
        tb = gtk_text_view_get_buffer(GTK_TEXT_VIEW(tv));
        
        if (argc > 1)
-               //tb.set_text(" ".join(sys.argv[1:]))
-               gtk_text_buffer_set_text(tb, argv[1], -1);
+               if (!strcmp(argv[1], "-") ) {
+                       // read from stdin
+                       gchar text[1024];
+                       int num = fread (text, sizeof(gchar),1024-1, stdin);
+                       text[num] = '\0';
+                       if (num>0 && text[num-1] == '\n') {
+                               text[num-1] = '\0';
+                       }
+                       gtk_text_buffer_set_text(tb, text, -1);
+               } else {
+                       gtk_text_buffer_set_text(tb, argv[1], -1);
+               }
        else
                gtk_text_buffer_set_text(tb, ":-)", -1);