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Special Forums UNIX Desktop Questions & Answers How to grep for password file entry Post 302503150 by cjcox on Wednesday 9th of March 2011 07:17:21 PM
Old 03-09-2011
use of "id" is fairly portable. You can use that to determine who you are... or you can use whoami. Then, if portability is important, you can use that value (after parsing) to grep into /etc/passwd.

On a Linux box (and some other *ix), you can use getent... e.g.

Code:
getent passwd $(whoami)

 

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WHOAMI(1)							   User Commands							 WHOAMI(1)

NAME
whoami - print effective userid SYNOPSIS
whoami [OPTION]... DESCRIPTION
Print the user name associated with the current effective user ID. Same as id -un. --help display this help and exit --version output version information and exit AUTHOR
Written by Richard Mlynarik. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for whoami is maintained as a Texinfo manual. If the info and whoami programs are properly installed at your site, the command info whoami should give you access to the complete manual. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+--------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+--------------------+ |Availability | SUNWgnu-coreutils | +--------------------+--------------------+ |Interface Stability | Uncommitted | +--------------------+--------------------+ NOTES
Source for GNU coreutils is available on http://opensolaris.org. whoami 6.7 December 2006 WHOAMI(1)
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