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tankibaj/Appending a line to a file only if it does not already exist.md

Created January 27, 2021 02:46
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Appending a line to a file only if it does not already exist.md

grep + echo should suffice:

grep -qxF 'include "/configs/projectname.conf"' foo.bar || echo 'include "/configs/projectname.conf"' >> foo.bar
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