Editing SpecialFile

You can use `-v rulesfile=filename' to process a file differently, like you would any other variable, and then use a `getline' loop (and `close') in your BEGIN statement. {{{ awk BEGIN \ { if (rulesfile=="") { print "must use -v rulesfile=filename"; exit(1); } while ( (getline < rulesfile) >0 ) replace[$1]=$0; close(rulesfile); } { if ($1 in replace) print replace[$1]; else print; } }}}

Summary:

This change is a minor edit.

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