Similar question to How to keep from duplicating path variable in csh. But I don't use csh.
PATH=${SOMETHING}:${PATH}
How do I remove duplicates from PATH.
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106answers:
1
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A:
I use this oneliner, but it depends on gawk.
PATH=$(echo $PATH|tr ":" "\n"|gawk '!($0 in a) { a[$0];print}'|paste -sd: - )
Sanjaya R
2009-02-25 16:28:14
fwiw, the above works fine on OpenBSD with good old 'awk' instead of 'gawk'
dwc
2009-02-25 16:35:39