Ethereal-dev: [Ethereal-dev] Suggested patch to mergecap.c for writing to stdout

Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.

Date Index Thread Index Other Months All Mailing Lists
Date Prev Date Next Thread Prev Thread Next
From: Bill Guyton <guyton@xxxxxxxxxxx>
Date: Wed, 3 Mar 2004 11:51:23 -0600
Forgive me if someone has already suggested this and it got shot down.
I was hoping to add support to mergecap.c so that a user can specify
- as an output file and have the output go to stdout.

Example:

	mergecap -w - infile1 infile2 ...

CVS Patch is below.

Thanks!
Bill Guyton

Index: ethereal/mergecap.c
===================================================================
RCS file: /cvsroot/ethereal/mergecap.c,v
retrieving revision 1.18
diff -u -r1.18 mergecap.c
--- ethereal/mergecap.c 20 Feb 2004 20:36:13 -0000      1.18
+++ ethereal/mergecap.c 3 Mar 2004 17:34:41 -0000
@@ -265,6 +265,10 @@
     exit(1);
   }
                                                                                
+  /* Allow output to stdout by using - */
+  if (strncmp(out_file->filename, "-", 2) == 0)
+    out_file->filename = "";
+
   out_file->pdh = wtap_dump_open(out_file->filename, out_file->file_type,
                                  out_file->frame_type, snapshot_len, &err);
   if (!out_file->pdh) {