Using grep with variables Post: 61497

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i have such awk working fine but how to use variable instead of strings awk '/asdasd.*asda.*asdasd/' file2.txt This is not working: awk '/${a}.*${b}.*${c}/' file2.txt Thanks & regards Peter

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Using $variables in grep

Hi, I'm currently trying to use variables in grep on my script. Printing the variable via echo works fine. Also, if I hard coded the date of the appointment it works just fine. But, if I try to use the $DATE as an argument in grep it doesn't do anything. #!/bin/bash DATE=${2}/${3}/${1} ...

LEARN ABOUT OSX

sigdist.d

sigdist.d(1m)							   USER COMMANDS						     sigdist.d(1m)

NAME

       sigdist.d - signal distribution by process. Uses DTrace.

SYNOPSIS

       sigdist.d

DESCRIPTION

       This  is  a  simple DTrace script that prints the number of signals recieved by process and signal number. This script is also available as
       /usr/demo/dtrace/sig.d, where it originates.

       Since this uses DTrace, only users with root privileges can run this command.

EXAMPLES

       This samples until Ctrl-C is hit.
	      # sigdist.d

FIELDS

       SENDER process name of sender

       RECIPIENT
	      process name of target

       SIG    signal number, see signal(3head)

       COUNT  number of signals sent

BASED ON

       /usr/demo/dtrace/sig.d

DOCUMENTATION

       DTrace Guide "proc Provider" chapter (docs.sun.com)

       See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver-
       bose descriptions explaining the output.

EXIT

       sigdist.d will sample until Ctrl-C is hit.

SEE ALSO

       kill.d(1M), dtrace(1M)

version 1.00							   Jun 09, 2005 						     sigdist.d(1m)