In your first example, you grep all of your "large" files, and then use only the first result. How many large files are you opening unnecessarily?

How does this compare: 

   my $hba_alias = `for f in $switchdir/*.swc ; do grep $host_hi \$f &
+& break; done |grep ":   device-alias"`;

[download]

That's analogous to graff's last if $hba_alias;

In reply to Re: grep equivalent in perl by hbm
in thread grep equivalent in perl by shynee

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