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| | Lars Kellogg-Stedman <lars@seas.harvard.edu> (2009-11-18) (attachment inbox signed unread)
Subject: [notmuch] "notmuch help" outputs to stderr?
Lars Kellogg-Stedman <lars@seas.harvard.edu> (2009-11-18) (attachment inbox signed)
Subject: Re: [notmuch] "notmuch help" outputs to stderr?
To: notmuch <notmuch@notmuchmail.org>
Date: Tue, 17 Nov 2009 20:01:16 -0500
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> I've attached a patch that lets usage() take a FILE * argument so that
> you can output to stderr in response to usage errors, and stdout in
> response to an explicit request.
Whoops, missed a couple of stderr's in that last patch. New one
attached.
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[ v2 of the selectable usage() stream patch: text/plain ]
diff --git a/notmuch.c b/notmuch.c
index c47e640..446c810 100644
--- a/notmuch.c
+++ b/notmuch.c
@@ -157,23 +157,23 @@ command_t commands[] = {
};
static void
-usage (void)
+usage (FILE *out)
{
command_t *command;
unsigned int i;
- fprintf (stderr, "Usage: notmuch <command> [args...]\n");
- fprintf (stderr, "\n");
- fprintf (stderr, "Where <command> and [args...] are as follows:\n");
- fprintf (stderr, "\n");
+ fprintf (out, "Usage: notmuch <command> [args...]\n");
+ fprintf (out, "\n");
+ fprintf (out, "Where <command> and [args...] are as follows:\n");
+ fprintf (out, "\n");
for (i = 0; i < ARRAY_SIZE (commands); i++) {
command = &commands[i];
- fprintf (stderr, "\t%s\t%s\n\n", command->name, command->summary);
+ fprintf (out, "\t%s\t%s\n\n", command->name, command->summary);
}
- fprintf (stderr, "Use \"notmuch help <command>\" for more details on
each command.\n\n");
+ fprintf (out, "Use \"notmuch help <command>\" for more details on each
command.\n\n");
}
static int
@@ -183,8 +183,8 @@ notmuch_help_command (unused (void *ctx), int argc, char
*argv[])
unsigned int i;
if (argc == 0) {
- fprintf (stderr, "The notmuch mail system.\n\n");
- usage ();
+ fprintf (stdout, "The notmuch mail system.\n\n");
+ usage (stdout);
return 0;
}
@@ -192,8 +192,8 @@ notmuch_help_command (unused (void *ctx), int argc, char
*argv[])
command = &commands[i];
if (strcmp (argv[0], command->name) == 0) {
- fprintf (stderr, "Help for \"notmuch %s\":\n\n", argv[0]);
- fprintf (stderr, "\t%s\t%s\n\n%s\n\n", command->name,
+ fprintf (stdout, "Help for \"notmuch %s\":\n\n", argv[0]);
+ fprintf (stdout, "\t%s\t%s\n\n%s\n\n", command->name,
command->summary, command->documentation);
return 0;
}
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