22 lines
569 B
Markdown
22 lines
569 B
Markdown
# sed
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> Run replacements based on regular expressions
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- replace the first occurrence of a string in a file, and print the result
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`sed 's/{{find}}/{{replace}}/' {{filename}}`
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- replace all occurrences of a string in a file, overwriting the file (i.e. in-place)
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`sed -i 's/{{find}}/{{replace}}/g' {{filename}}`
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- replace all occurrences of an extended regular expression in a file
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`sed -r 's/{{regex}}/{{replace}}/g' {{filename}}`
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- apply multiple find-replace expressions to a file
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`sed -e 's/{{find}}/{{replace}}/' -e 's/{{find}}/{{replace}}/' {{filename}}`
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