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