Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.bugs.dist > #1011913

Bug#961740: printf attempts to parse options and fails to print --help

Show all headers | View raw

* Melvin Vermeeren <vermeeren@vermwa.re>, 2020-05-28, 17:17:
>POSIX specifies printf has no options, meaning this should print "--help".
>Arguments parsing must simply not be attempted at all in order to be 
>compliant as far as I know.
>
>$ /usr/bin/printf --help
>Usage: /usr/bin/printf FORMAT [ARGUMENT]...
>  or:  /usr/bin/printf OPTION

I think you're misinterpreting the standard. If it really meant that 
implementations must not support any options, it would say so 
explicitly, like it does for echo:

https://pubs.opengroup.org/onlinepubs/9699919799/utilities/echo.html

-- 
Jakub Wilk

Back to linux.debian.bugs.dist | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Bug#961740: printf attempts to parse options and fails to print --help Melvin Vermeeren <vermeeren@vermwa.re> - 2020-05-28 17:30 +0200
  Bug#961740: printf attempts to parse options and fails to print --help Michael Stone <mstone@debian.org> - 2020-05-28 18:20 +0200
  Bug#961740: printf attempts to parse options and fails to print --help Jakub Wilk <jwilk@jwilk.net> - 2020-05-29 19:40 +0200
    Bug#961740: printf attempts to parse options and fails to print --help Melvin Vermeeren <vermeeren@vermwa.re> - 2020-05-29 20:20 +0200

csiph-web