Difference between revisions of "Sed (editor)"

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== Sed Basic examples ==
 
== Sed Basic examples ==
* Append a text (TEST_TO_APPEND_AT_BEGINNIG) at the beginning of a line: <code>sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt</code>
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* Append a text (TEST_TO_APPEND_AT_BEGINNIG) at the beginning of a line:
* Append a text (TEST_TO_APPEND_AT_END) at the end of a line: <code>sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt</code>
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:: <code>sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt</code>
* Move N [[lines]] from text file to new file:<code>head -1000 input > output && sed -i '1,+999d' input</code> <ref>https://stackoverflow.com/a/801036</ref>
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* Append a text (TEST_TO_APPEND_AT_END) at the end of a line:
 +
:: <code>sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt</code>
 +
* Move N [[lines]] from text file to new file:
 +
:: <code>head -1000 input > output && sed -i '1,+999d' input</code> <ref>https://stackoverflow.com/a/801036</ref>
  
  

Revision as of 09:30, 28 April 2020

sed utility is using for text processing, such as strings replacements.


Sed Basic examples

  • Append a text (TEST_TO_APPEND_AT_BEGINNIG) at the beginning of a line:
sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt
  • Append a text (TEST_TO_APPEND_AT_END) at the end of a line:
sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt
  • Move N lines from text file to new file:
head -1000 input > output && sed -i '1,+999d' input [1]


Related commands

See also

  • https://stackoverflow.com/a/801036
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