Why to use it only for fist option? I would prefer to add that as option separator (like in attached patch). I had that issue report against Red Hat Enterprise Linux (https://bugzilla.redhat.com/show_bug.cgi?id=431005) and submitted following patch to Fedora Rawhide branch ~1 month ago. Was going to send the patch to that list, but forgot to do that...
Greetings,
Ondrej Vasik
Adam Rosenwald wrote:
> I left out some <very important> curly braces. Here's the working patch:
>
> === BEGIN PATCH ===
>
> --- echo.c.orig 2008-03-13 01:59:22.000000000 -0400
> +++ echo.c 2008-03-13 01:59:37.000000000 -0400
> @@ -145,6 +145,7 @@
> parse_long_options (argc, argv, PROGRAM_NAME, PACKAGE_NAME, VERSION,
> usage, AUTHORS, (char const *) NULL);
>
> + char first=1;
> --argc;
> ++argv;
>
> @@ -154,6 +155,15 @@
> char const *temp = argv[0] + 1;
> size_t i;
>
> + if (first == 1) {
> + first = 0;
> + if (temp[0] == '-') {
> + --argc;
> + ++argv;
> + goto just_echo;
> + }
> + }
> +
> /* If it appears that we are handling options, then make sure that
> all of the options specified are actually valid. Otherwise, the
> string should just be echoed. */
>
> === END PATCH ===
>
> Adam Rosenwald wrote:
> > Try using echo to output the string '-e' or '-E' or '-n' literally.
> > You can't. Furthermore try executing `echo -e [-eEn]...`. Nothing
> > but a blank line.
> >
> > The patch below utilizes a familiar technique (used, e.g., in grep) to
> > escape arguments; however, admittedly it can be rendered more elegant. :)
> >
> > This was patched against the 03/12/08 coreutils GIT version; however,
> > echo.c doesn't appear to have changed substantively for years.
> >
> > === BEGIN PATCH ===
> >
> > --- echo.c.orig 2008-03-13 01:33:08.000000000 -0400
> > +++ echo.c 2008-03-13 01:35:04.000000000 -0400
> > @@ -145,6 +145,7 @@
> > parse_long_options (argc, argv, PROGRAM_NAME, PACKAGE_NAME, VERSION,
> > usage, AUTHORS, (char const *) NULL);
> >
> > + char first=1;
> > --argc;
> > ++argv;
> >
> > @@ -154,6 +155,14 @@
> > char const *temp = argv[0] + 1;
> > size_t i;
> >
> > + if (first == 1) {
> > + first = 0;
> > + if (temp[0] == '-')
> > + --argc;
> > + ++argv;
> > + goto just_echo;
> > + }
> > +
> > /* If it appears that we are handling options, then make sure that
> > all of the options specified are actually valid. Otherwise, the
> > string should just be echoed. */
> >
> > === END PATCH ===
> >
> >
> > Regards,
> >
> > - A.
> >
>
>
>
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