Strip the final newline character from a string/buffer
Can be useful when parsing the output of, for example,
ChildProcess#execFile, as binaries usually output a newline at the end. Normally, you would use
stdout.trim(), but that would also remove newlines at the start and whitespace.
$ npm install strip-final-newline
import stripFinalNewline from 'strip-final-newline'; stripFinalNewline('foo\nbar\n\n'); //=> 'foo\nbar\n' stripFinalNewline(Buffer.from('foo\nbar\n\n')).toString(); //=> 'foo\nbar\n'
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