Cut pid from ps using cut command Post: 302778771

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Top Forums UNIX for Dummies Questions & Answers Cut pid from ps using cut command Post 302778771 by ran ber on Monday 11th of March 2013 02:04:33 PM

03-11-2013

Registered User

Cut pid from ps using cut command

hay
i am trying to get JUST the PID from the ps command.
my command line is:

ps -ef | grep "mintty" | cut -d' ' -f2
but i get an empty line. i assume that the delimiter is not just one space character, but can't figure out what should i do in order to do that.

i know i can use awk or cut -c1-4 (the pid is in characters 1-4), but i don't want to use them.

is it possible to achieve my goal using cut -f and a combination or -d or -s?

thanks

ran ber

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LEARN ABOUT MINIX

cut

CUT(1)							      General Commands Manual							    CUT(1)

NAME

       cut - select out columns of a file

SYNOPSIS

       cut [  -b | -c] list [file...]
       cut -f list [-d delim] [ -s]

OPTIONS

       -b     Cut specified bytes

       -c     Select out specific characters

       -d     Change the column delimiter to delim

       -f     Select out specific fields that are separated by the

       -i     Runs of delimiters count as one

       -s     Suppres lines with no delimiter characters, when used

EXAMPLES

       cut -f 2 file	   # Extract field 2

       cut -c 1-2,5 file   # Extract character columns 1, 2, and 5

       cut -c 1-5,7- file  # Extract all columns except 6

DESCRIPTION

       [file...]"  delimiter character ( see delim)" with the -f option. Lines with no delimiters are passwd through untouched"

       Cut  extracts  one  or more fields or columns from a file and writes them on standard output.  If the -f flag is used, the fields are sepa-
       rated by a delimiter character, normally a tab, but can be changed using the -d flag.  If the -c flag is  used,	specific  columns  can	be
       specified.  The list can be comma or BLANK separated. The -f and -c flags  are mutually exclusive.  Note: The POSIX1003.2 standard requires
       the option -b to cut out specific bytes in a file. It is intended for systems with multi byte characters (e.g.  kanji),	since  MINIX  uses
       only  one byte characters, this option is equivalent to -c. For the same reason, the option -n has no effect and is not listed in this man-
       ual page.

SEE ALSO

       sed(1), awk(9).

																	    CUT(1)