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Operating Systems AIX killing a process from a script Post 73296 by bakunin on Tuesday 31st of May 2005 03:50:55 AM
Old 05-31-2005
Quote:
Originally Posted by jalge2
I would like to use ps -eaf |grep restbyname. The only problem is, I don't know how to implement this into my script.
What you need is cut. "grep" only gives you the lines you are interested in, cut gives you the part you need to kill the process. Look at the output of "ps -ef", you see a table. To kill a process you need the PID, which is the 2nd column. Therefore, the solution is to first cut out all lines you don't need (processes you don't want to kill), then filter out the PIDs of the remaining lines, then feed this list to a for- or while-loop to do the killing:

ps -ef | grep <processname> | sed 's/<blank><blank>*/<blank>/g' | cut -d'<blank>' -f2 |\
while read PID ; do
kill -9 $PID
done

The sed-command is used to replace all multiple occurencies of <blank> (replace in your script by a single space) by a single whitespace since 'cut' uses <blank> as a delimiter (-d).

Hope this helps.

bakunin
 

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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)
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