l i n u x - u s e r s - g r o u p - o f - d a v i s
Next Meeting:
July 7: Social gathering
Next Installfest:
Latest News:
Jun. 14: June LUGOD meeting cancelled
Page last updated:
2002 Dec 05 14:45

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

Report this post as spam:

(Enter your email address)
Re: [vox-tech] perl question -- running a bash built-in
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [vox-tech] perl question -- running a bash built-in

Got beat on replying to this.  Also, the best way to get help on an
individual function is with the perldoc -f <func>.  Obviously that's my
opinion but it has served me well....


----- Original Message -----
From: <msimons@moria.simons-clan.com>
To: <vox-tech@lists.lugod.org>
Sent: Thursday, December 05, 2002 12:37 PM
Subject: Re: [vox-tech] perl question -- running a bash built-in

> On Thu, Dec 05, 2002 at 12:26:57PM -0800, Peter Jay Salzman wrote:
> > how do i get at the value of umask from within a perl script?   since
> > umask is bult into bash, i can't do something like:
> >
> > my $umask = `umask`;
>   not an environment variable.
>   umask is a process trait, which is inherited by fork.  there is a system
> call call "mode_t umask(mode_t mask)", for changing it, see some more in
> man 2 umask.
>   to muck with umask in perl there is a function, umask.
>        umask EXPR
>        umask   Sets the umask for the process to EXPR and returns
>                the previous value.  If EXPR is omitted, merely
>                returns the current umask.
> for more see man perlfunc, search for '  umask '...
>    Later,
>      Mike
> ps:
>   had umask been an env variable it would have been adjusted by mucking
> the ENV has...
>   $ENV{'umask'} = "0644';
> see more in man perlvar
> _______________________________________________
> vox-tech mailing list
> vox-tech@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox-tech

vox-tech mailing list

LUGOD Group on LinkedIn
Sign up for LUGOD event announcements
Your email address:
LUGOD Group on Facebook
'Like' LUGOD on Facebook:

Hosting provided by:
Sunset Systems
Sunset Systems offers preconfigured Linux systems, remote system administration and custom software development.

LUGOD: Linux Users' Group of Davis
PO Box 2082, Davis, CA 95617
Contact Us

LUGOD is a 501(c)7 non-profit organization
based in Davis, California
and serving the Sacramento area.
"Linux" is a trademark of Linus Torvalds.

Sponsored in part by:
Appahost Applications
For a significant contribution towards our projector, and a generous donation to allow us to continue meeting at the Davis Library.