Editing Sed (editor)
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<code>[[wikipedia:sed]]</code> ([[1974]]) utility is using for text processing, such as strings replacements. | <code>[[wikipedia:sed]]</code> ([[1974]]) utility is using for text processing, such as strings replacements. | ||
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* Man: https://man7.org/linux/man-pages/man1/sed.1p.html | * Man: https://man7.org/linux/man-pages/man1/sed.1p.html | ||
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== Sed Basic examples == | == Sed Basic examples == | ||
− | * [[Replace]] all occurrences of TEXT_STRING | + | * [[Replace]] all occurrences of TEXT_STRING |
− | :: <code> | + | :: <code>sed -i s/OLD_TEXT_STRING/NEW_TEXT_STRING/g file.txt</code> |
* [[Append]] a text (TEST_TO_APPEND_AT_BEGINNIG) at the [[beginning]] of a line: | * [[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> | :: <code>sed -i s/^/TEST_TO_APPEND_AT_BEGINNIG/ file.txt</code> | ||
− | :: | + | :: Append a spce at the beggining of lines: |
::: <code>[[sed s/^./" "/]]</code> | ::: <code>[[sed s/^./" "/]]</code> | ||
− | * Append a text (TEST_TO_APPEND_AT_END) at the [[end of a line]] (< | + | * Append a text (TEST_TO_APPEND_AT_END) at the [[end of a line]] (<code>$</code>): |
:: <code>sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt</code> | :: <code>sed -i s/$/TEST_TO_APPEND_AT_END/ file.txt</code> | ||
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* Add at the beginning and end of a sentence: <pre><code> and </code></pre> | * Add at the beginning and end of a sentence: <pre><code> and </code></pre> | ||
<pre>sed s/'^'/'\<code\>'/ | sed s/'$'/'\<\/code\>'/</pre> | <pre>sed s/'^'/'\<code\>'/ | sed s/'$'/'\<\/code\>'/</pre> | ||
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* Replace [[spaces]]: | * Replace [[spaces]]: | ||
:<code>[[sed]] s/' '//g</code> | :<code>[[sed]] s/' '//g</code> | ||
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== Help == | == Help == | ||
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sed [-Ealn] [-i extension] [-e script] ... [-f script_file] ... [file ...] | sed [-Ealn] [-i extension] [-e script] ... [-f script_file] ... [file ...] | ||
− | == Related == | + | == Related commands == |
* <code>[[awk]]</code> | * <code>[[awk]]</code> | ||
* <code>[[lineinfile (Ansible)]]</code> | * <code>[[lineinfile (Ansible)]]</code> | ||
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* <code>cat your_file.txt | [[while read]] i; do echo "YOUR_TEST $i"; done</code> | * <code>cat your_file.txt | [[while read]] i; do echo "YOUR_TEST $i"; done</code> | ||
* <code>cat your_file.txt | [[while read]] i; do echo "$(date) $i"; done</code> | * <code>cat your_file.txt | [[while read]] i; do echo "$(date) $i"; done</code> | ||
− | * | + | * [[sed -n]] |
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== See also == | == See also == | ||
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* {{vi}} | * {{vi}} | ||
* {{grep}} | * {{grep}} | ||
+ | * [[Ansible]] <code>[[lineinfile]]</code> [[DevOps/Ansible/Modules|module]] | ||
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[[Category:Linux commands]] | [[Category:Linux commands]] |
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