SED emulating UNIX commands by Aurelio Jargas --------------------------- www.aurelio.net/en verde at aurelio.net Here's the list of some UNIX commands that can be emulated using SED. Please, if know about others, contribute! UNIX | SED -------------+---------------------------------------------------------------- cat | sed ':' cat -s | sed '1s/^$//p;/./,/^$/!d' tac | sed '1!G;h;$!d' grep | sed '/patt/!d' grep -v | sed '/patt/d' head | sed '10q' head -1 | sed 'q' tail | sed -e ':a' -e '$q;N;11,$D;ba' tail -1 | sed '$!d' tail -f | sed -u '/./!d' cut -c 10 | sed 's/\(.\)\{10\}.*/\1/' cut -d: -f4 | sed 's/\(\([^:]*\):\)\{4\}.*/\2/' tr A-Z a-z | sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/' tr a-z A-Z | sed 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' tr -s ' ' | sed 's/ \+/ /g' tr -d '\012' | sed 'H;$!d;g;s/\n//g' wc -l | sed -n '$=' uniq | sed 'N;/^\(.*\)\n\1$/!P;D' rev | sed '/\n/!G;s/\(.\)\(.*\n\)/&\2\1/;//D;s/.//' basename | sed 's,.*/,,' dirname | sed 's,[^/]*$,,' xargs | sed -e ':a' -e '$!N;s/\n/ /;ta' paste -sd: | sed -e ':a' -e '$!N;s/\n/:/;ta' cat -n | sed '=' | sed '$!N;s/\n/ /' grep -n | sed -n '/patt/{=;p;}' | sed '$!N;s/\n/:/' cp orig new | sed 'w new' orig hostname -s | hostname | sed 's/\..*//' To be reworked: echo 'Hi!' | sed 's/.*/Hi!/;q' <(yes) NOTE: On MSDOS, use " instead ' ------------------------------------------------------------------------------- THANK YOU to: - Adam Peresztegi (Hungary) - Eric De Mund (USA) - Eric Pement and his "Sed 1liners" document - Don (Australia) - Thobias Salazar Trevisan (Brazil) - The sed-users@yahoogroups.com mailing list