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grep help in ps

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# 1  
Old 06-02-2011
grep help in ps
How would I do something like this with numbers ps -ef | grep [f]irefox? This ignores the grep --colour=auto firefox garbage. When I do ~ $ ps -ef | grep [3]470 it doesn't ignore the grep --colour=auto [3]470 garbage.


Code:
~ $ ps -ef | grep [3]470
bob       3470  3467  0 18:14 pts/0    00:00:00 bash
bob       3714  3470  0 18:40 pts/0    00:00:00 ps -ef
bob       3715  3470  0 18:40 pts/0    00:00:00 grep --colour=auto [3]470
~ $ ps -ef | grep firefox
bob       2102     1  4 15:36 ?        00:08:43 /usr/lib/firefox-3.6.17/firefox-bin
bob       2165  2102  3 15:37 ?        00:05:30 /usr/lib/firefox-3.6.17/plugin-container /usr/lib/adobe-flashplugin/libflashplayer.so 2102 plugin true
bob       3717  3470  0 18:40 pts/0    00:00:00 grep --colour=auto firefox
~ $ ps -ef | grep [f]irefox
bob       2102     1  4 15:36 ?        00:08:43 /usr/lib/firefox-3.6.17/firefox-bin
bob       2165  2102  3 15:37 ?        00:05:30 /usr/lib/firefox-3.6.17/plugin-container /usr/lib/adobe-flashplugin/libflashplayer.so 2102 plugin true

# 2  
Old 06-02-2011
Code:
ps -fp $(pgrep firefox)

# 3  
Old 06-08-2011
Quote:
Originally Posted by jlliagre
Code:
ps -fp $(pgrep firefox)

That's not with numbers though.
# 4  
Old 06-08-2011
It's shell trick. In bash it works with numbers too. In zsh it doesn't work at all. Maybe it depends from some options.
# 5  
Old 06-08-2011
Okay, here is a revised way:
Code:
ps -fp $(echo $(pgrep firefox)| sed 's/ /,/g')

Edit: I misunderstood the comment. My last fix is required if more than one process is running. If you already know the process pid, you can directly run
Code:
ps -fp pid

Last edited by jlliagre; 06-08-2011 at 05:24 PM..
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