patterns

[Ken Senior]

Given a file with say a mixture of upper case and lower case text, I found that

cat file.txt | awk '/^[a-z]/ {print $0}'

incorrectly returns not only those entries beginning with a lower case 
letter, but also upper case ones as well.

Red Hat Linux 7.3 with 2.4.18 kernel
gawk-3.1.0-4

This problem was not the case on my older Red Hat 7.0 running gawk-3.0.6-1



Ken Senior

    _  __   ___    __
   / |/ /  / _ \  / /   Ken Senior                              (202)767-2043
  Naval Research Lab_   Systems Analysis Section     http://goby.nrl.navy.mil
/_/|_/  /_/|_| /____/   Space Applications Branch     address@hidden

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