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From:	Holger Dietze <holger DOT dietze AT inforsacom DOT com>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	Question about the ps command, missing option -o to format the output
Date:	Wed, 26 Mar 2014 10:59:04 +0000
Message-ID:	<DDE9CDBA2B37C246B69D8E4C96647D3D01AC9C05C9@DEFFMMBX102.elabs.int>
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Hello,

I am writing some scripts for linux and cygwin. To find out, if
a given pid (from /var/run/<pidfile> is really the pid of the
correct process I use the ps command on linux (and AIX, Solaris,
even HPUX with a trick) with the option -o pid=

Example:

# ps -ef | grep bash
root      1118  1112  0 11:55 pts/4    00:00:00 -bash
root      1195  1118  0 11:55 pts/4    00:00:00 grep bash
root     21885 21883  0 10:44 pts/3    00:00:00 -bash
root     31068 31065  0 Feb07 pts/1    00:00:00 bash

# ps -p 31068 -o pid= -o comm= 
31068 bash

Trying same command on cygwin:

Administrator AT server ~
$ ps -ef | grep bash
Administ    6456    4184 pty1     11:56:59 /usr/bin/bash

Administrator AT server ~
$ ps -p 6456
      PID    PPID    PGID     WINPID   TTY     UID    STIME COMMAND
     6456    4184    6456       7016  pty1     500 11:56:59 /usr/bin/bash

Administrator AT server ~
$ ps -p 6456 -o pid=
ps: unknown option -- o
Try `ps --help' for more information.

Administrator AT server ~
$


I have searched the man page and the Cygwin projects, but did not found a way to get
this working.

Is this a feature request?

Thanx, Holger


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