I am sorry I found myself in the wrong thread ... so discard
Am 09.07.21 um 22:25 schrieb Greg Wooledge:
On Fri, Jul 09, 2021 at 01:54:19PM -0600, Charles Curley wrote:
I'd like to check two things:
* Whether a given path is not already in the $PATH variable
* Whether the given path already exists
If both are true, I'd like to add the given path to the $PATH variable.
add_path_maybe() {
local p i
if [[ $1 != /* ]]; then
echo "refusing to consider a directory that doesn't begin with /" >&2
return 1
fi
if [[ ! -d $1 ]]; then
echo "directory '$1' does not exist" >&2
return 1
fi
IFS=: read -ra p <<< "$PATH"
for i in "${p[@]}"; do
if [[ $i = "$1" ]]; then
return 0
fi
done
PATH=$PATH:$1
}
--
=============================================================================
Joerg Kampmann, Dr. Dipl.-Phys - IBK-Consult for Climate Physics - non-profit -
D-31228 Peine +49-177-276-3140
www.ibk-consult.de - www.kampmannpeine.org
www.xing.com/hp/Joerg_Kampmann
www.xing.com/net/mathe
www.researchgate.net/profile/Joerg_Kampmann -
https://independent.academia.edu/J%C3%B6rgKampmann
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