[hackers] [sent] filter via shell pipeline || Grant Mathews

[git]

commit 54daf38b08afee88829f24ca8d282557bbb627fe
Author:     Grant Mathews <grant.m.math...@gmail.com>
AuthorDate: Wed Dec 9 20:56:07 2015 -0800
Commit:     Markus Teich <markus.te...@stusta.mhn.de>
CommitDate: Thu Dec 24 01:51:29 2015 +0100

    filter via shell pipeline
    
    Instead of requiring an executable, allow building arbitrary shell
    pipelines to filter filetypes through.

diff --git a/sent.c b/sent.c
index fc5e389..99361e8 100644
--- a/sent.c
+++ b/sent.c
@@ -152,8 +152,8 @@ filter(int fd, const char *cmd)
                dup2(fds[1], 1);
                close(fds[0]);
                close(fds[1]);
-               execlp(cmd, cmd, (char *)0);
-               eprintf("execlp %s:", cmd);
+               execlp("sh", "sh", "-c", cmd, (char *)0);
+               eprintf("execlp sh -c '%s':", cmd);
        }
        close(fds[1]);
        return fds[0];