petr cerny dptntnsusecz 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 ascii subset utf8 unicode coding utf8 problem case wonder manage create file interspersed single fixed size multibyte encodings guess would split file somehow best regards petr unsubscribe email assipqffnmekprykassopensuseorg additional commands email qybuovjskcmhopensuseorg thu 07 aug 2008 060307 0100 opensuse unicode v ascii