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gnugrep ________________________________________________________________________________ grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Its name comes from the ed command g/re/p (globally search for a regular expression and print matching lines), which has the same effect. grep was originally developed for the Unix operating system, but later available for all Unix-like systems and some others such as OS-9. [0] Upstream: https://www.gnu.org/software/grep/ [000] Index ________________________________________________________________________________ * Installation ........................................................... [001] * Setup .................................................................. [002] * Usage .................................................................. [003] * References ............................................................. [004] [001] Installation ________________________________________________________________________________ +------------------------------------------------------------------------------+ | | | $ kiss b gnugrep | | | +------------------------------------------------------------------------------+ [002] Setup ________________________________________________________________________________ To use GNU grep as the system grep, the alternatives system must be used. The GNU grep implementation is very fast [1] and is recommended over the default provided by busybox. +------------------------------------------------------------------------------+ | | | $ kiss a gnugrep /usr/bin/grep | | $ kiss a gnugrep /usr/bin/egrep | | $ kiss a gnugrep /usr/bin/fgrep | | | +------------------------------------------------------------------------------+ To undo these changes run 'kiss a', find the relevant output and run the corresponding commands. Each line of output from 'kiss a' is a valid command to give back to 'kiss a'. [003] Usage ________________________________________________________________________________ Refer to the manual pages and command help output. [004] References ________________________________________________________________________________ [0] https://en.wikipedia.org/wiki/Grep [1] https://lists.freebsd.org/pipermail/freebsd-current/2010-August/019310.html