pipe.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2001, 2003, 2005 Free Software Foundation, Inc.
GNU Mailutils 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 2, or (at your option)
any later version.
GNU Mailutils 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 GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "mail.h"
/*
* pi[pe] [[msglist] command]
* | [[msglist] command]
*/
int
mail_pipe (int argc, char **argv)
{
message_t msg;
stream_t stream;
char *cmd;
FILE *tube;
msgset_t *list, *mp;
char buffer[512];
off_t off = 0;
size_t n = 0;
if (argc > 1)
cmd = argv[--argc];
else if (util_getenv (&cmd, "cmd", Mail_env_boolean, 1))
return 1;
if (msgset_parse (argc, argv, MSG_NODELETED|MSG_SILENT, &list))
return 1;
tube = popen (cmd, "w");
for (mp = list; mp; mp = mp->next)
{
if (util_get_message (mbox, mp->msg_part[0], &msg) == 0)
{
message_get_stream (msg, &stream);
off = 0;
while (stream_read (stream, buffer, sizeof (buffer) - 1, off,
&n) == 0 && n != 0)
{
buffer[n] = '\0';
fprintf (tube, "%s", buffer);
off += n;
}
if (util_getenv (NULL, "page", Mail_env_boolean, 0) == 0)
fprintf (tube, "\f\n");
}
util_mark_read (msg);
}
msgset_free (list);
pclose (tube);
return 0;
}