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24 lines
548 B
Org Mode
24 lines
548 B
Org Mode
#+title: GNU sed
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#+date: 2021-08-02 22:00:52 +08:00
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#+date_modified: 2021-08-02 22:09:07 +08:00
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#+language: en
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#+source: https://www.gnu.org/software/sed/
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Stands for *stream editor*, it is a language for interfacing with text streams.
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Quick pointers
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- the tool will interact with the stream per line
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- ~;~ to denote end of expression
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- ~-E, --regexp-extended~ to use PCRE
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- ~s~ is one of the most common and extensive commands for it
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#+begin_src shell
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printf "Hello\nThere" | sed -E -e 's/[aeiou]//g; s/[l]//g'
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#+end_src
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#+results:
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: H
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: Thr
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