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    That's the only solution that i can internalize and remember without having to search for this question on SO again Commented Jun 12, 2020 at 18:45
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    This adds a : at the end of PATH every time the command is used, because grep appends an EOL (\n) to its output. Solve this by piping the output of grep through perl -pe 'chomp if eof'. Commented Feb 19, 2021 at 14:44
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    add another grep -v '^$' to remove empty ones. Commented Apr 1, 2021 at 0:07
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    To get rid of the trailing colon, you can also pipe the output to xargs, like so: echo $PATH | tr ":" "\n" | grep -v '/usr/local/bin' | xargs | tr ' ' ':' Commented Sep 15, 2021 at 23:12
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    A simple way to correctly undo tr : '\n' is paste -sd: - Commented May 20 at 19:17