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can variables be used as pattern for awk command?

anandkumar biyani
Greenhorn

Joined: Dec 06, 2011
Posts: 9
Hello everyone,

I wanted to know if we can use the variable as a pattern for awk command as shown below:

$c = "Dec Tue";
$log = `awk '/\$c/' in.txt`;
print $log;

I have to search for a pattern in $c occuring in file in.txt.

Thanks in advance.
fred rosenberger
lowercase baba
Bartender

Joined: Oct 02, 2003
Posts: 11314
    
  16

What happened when you tried it?


There are only two hard things in computer science: cache invalidation, naming things, and off-by-one errors
 
Consider Paul's rocket mass heater.
 
subject: can variables be used as pattern for awk command?