Hi; gawk 3.1.8 bash: [~]> echo '\\' | gawk '{gsub("\\\\","\\\\",$0); print($0);}' \\\\ zsh 4.3.12-dev-1 [~]> echo '\\' | gawk '{gsub("\\\\","\\\\",$0); print($0);}' \\ Ideas? P.S: gaw 4.0.0 is buggy with this gsub command and output will differ. Regards, ismail