Op 02-07-2025 om 11:01 schreef Karel Zak:
On Tue, Jul 01, 2025 at 03:39:57PM +0200, Benno Schulenberg wrote:The reason I don't want to see "Try 'chrt --help' for more information." when I make a mistake is that it means that I have to read two lines:We should be consistent. The `errtryhelp()` function is usually used as the default error for an unknown option or when the user is "lost" on the command line, for example, if not all required arguments are used. warnx(_("too few arguments")); errtryhelp(EXIT_FAILURE); (or "bad usage") is consistent with the rest of util-linux.
After grepping for -B1 errtryhelp, I now see that this is the style in the util-linux tools. I'm sorry to realize that. :/
the second line doesn't add any information -- it just states the obvious.It does not have to be obvious to all users, -? -h, -H, --help, sometimes nothing, etc.
As far as I can tell, all the util-linux tools understand --help. So, for util-linux tools, it is rather redundant to tell the user this. (There are just three tools that don't understand the short form -h for help: agettty, col, and setttetm. fsck does not officially support -h, but prints a help text anyway, from e2fsprogs.) Benno
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