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Full Discussion: Bourne script: Check for root and oracle user
Top Forums Shell Programming and Scripting Bourne script: Check for root and oracle user Post 302239607 by otheus on Wednesday 24th of September 2008 05:27:40 AM
Old 09-24-2008
Quote:
Originally Posted by totziens
Just found out "id -u" does not work in some of the machines. Not really sure why. Could be due to individual machine's configuration issue.
In that case, hardcode the path:

/usr/bin/id -u

Or always use the GNU version:

/usr/local/bin/id -u # if id is the GNU version installed in /usr/local/bin.

You can get it from coreutils.

Alternatively, you can get it from ps:
Code:
$ ps u $$ |awk 'NR == 2 { print $1 }'
10362

It could be you get a name, in which case you then get it from getent:
Code:
getent `ps u $$ |awk 'NR == 2 { print $1 }'` passwd

 

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LEARN ABOUT LINUX

dirname

DIRNAME(1)							   User Commands							DIRNAME(1)

NAME

       dirname - strip last component from file name

SYNOPSIS

       dirname NAME
       dirname OPTION

DESCRIPTION

       Print NAME with its trailing /component removed; if NAME contains no /'s, output `.' (meaning the current directory).

       --help display this help and exit

       --version
	      output version information and exit

EXAMPLES

       dirname /usr/bin/sort
	      Output "/usr/bin".

       dirname stdio.h
	      Output ".".

AUTHOR

       Written by David MacKenzie and Jim Meyering.

REPORTING BUGS

       Report dirname bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report dirname translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2010 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       basename(1), readlink(1)

       The  full  documentation  for  dirname  is maintained as a Texinfo manual.  If the info and dirname programs are properly installed at your
       site, the command

	      info coreutils 'dirname invocation'

       should give you access to the complete manual.

GNU coreutils 8.5						   February 2011							DIRNAME(1)
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