notwa/rc
1
0
Fork 0
mirror of https://github.com/notwa/rc synced 2025-02-05 15:43:22 -08:00
Code Issues Releases Wiki Activity

add an esoteric function to rotate PATHs

Browse source
This commit is contained in:
Connor Olding 2022-08-29 22:06:15 -07:00
parent 07c2d3809c
commit 8c218457e8
1 changed files with 13 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
home/shrc
View file

@ -36,6 +36,19 @@ ADDPATH() { ### @- append a directory to `$PATH` if it isn't already present.
esac esac
} }
ROPATH() {
[ $# -eq 0 ] || { printf '%s: expected exactly %s arguments, got %s\n' ROPATH 0 $# >&2; return 2; }
local segment= previous= newpath= oldpath="$PATH:"
while segment="${oldpath%%:*}"; [ "$segment" != "$oldpath" ]; do
[ -z "$segment" ] || [ -z "$previous" ] || newpath="$newpath$previous:"
[ -z "$segment" ] || previous="$segment"
oldpath="${oldpath#*:}"
done
[ -z "$previous" ] || printf 'rotated %s\n' "$previous" >&2
[ -z "$previous" ] || newpath="$previous:$newpath"
export PATH="${newpath%:}"
}
# {{{1 configurations # {{{1 configurations
umask 022 # umask should be reset else pip might make faulty installations. umask 022 # umask should be reset else pip might make faulty installations.