aaron kulkis cmiqlkx91hotpopcom greg freemyer wrote huge text file 17 million lines full unicode ascii text half half note disk space copies problem need manipulate file also 30 line file full ascii text need search large file occurrences keywords 30 line file ignoring unicode issue could use grep fgrep egrep appropriate args idea handle unicode issue way prepared use 123isms suggestions handle specifically im sure mean grepping unicode converting ascii thanks greg wed 06 aug 2008 202014 0500 opensuse unicode v ascii