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>>>>> "Vinu" == Vinu Balaji <[EMAIL PROTECTED]> writes:
Vinu> On Wed, 22 Dec 2004 09:38:47 +0530, Kumar Appaiah
Vinu> <[EMAIL PROTECTED]> wrote:
>> Dear List, This query relates to grep. In the command
>>
>> # ps ax|grep 'cron'
Vinu> The output of this command will show 'grep cron' as a
Vinu> process sometimes and will not show that process at
Vinu> times. So grep '[c]ron' and grep 'cron' are almost the same
Vinu> expression.
grep [c]ron will search for the regex "[c]ron", which will only match
the string "cron". The regex will not match the string "[c]ron".
String "[c]ron" is not the same as Regex "[c]ron".
Another way of achieving the same effect is:
ps ax | fgrep cron | fgrep -v fgrep
Regards,
- -- Raju
- --
Raj Mathur [EMAIL PROTECTED] http://kandalaya.org/
GPG: 78D4 FC67 367F 40E2 0DD5 0FEF C968 D0EF CC68 D17F
It is the mind that moves
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