You could do it like this: 

@ARGV = map "zcat $_ |", qw[
    ../log.dummy-10-01-06-05.gz
    ../log.dummy-10-05-18-05.gz
    ../Btree.gz/
    ];

while ( <> ) {
    print if /Btree/ .. /PSE:/ or /PROCESSING \Q$ARGV/;
    }

[download]

In reply to Re: variable interpolation within a range operator by jwkrahn
in thread variable interpolation within a range operator by kri54sub

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