57 lines
920 B
Plaintext
57 lines
920 B
Plaintext
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#!/bin/sh
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path_sanitize() {
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echo "${1}" | /bin/sed 's|//|/|g'
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}
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path_add() {
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path="$1"
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entry="$(path_sanitize "$2")"
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if [ -z "$path" ]; then
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echo "$entry"
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else
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echo "$path:$entry"
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fi
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}
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path_remove() {
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path="$1"
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entry="$(path_sanitize "$2")"
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# If $entry is the last entry.
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if [ "${path##*:}" = "$entry" ]; then
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echo "${path%:*}"
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return 0
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fi
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echo "$path" | /bin/sed "s|$entry:||"
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}
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prefix_add() {
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prefix="$1"
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PATH="$(path_add "$PATH" "$prefix/bin")"
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PATH="$(path_add "$PATH" "$prefix/sbin")"
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}
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prefix_remove() {
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prefix="$1"
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PATH="$(path_remove "$PATH" "$prefix/bin")"
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PATH="$(path_remove "$PATH" "$prefix/sbin")"
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}
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PATH=
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# Latest will usually be used first. More can be added with new calls
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# to prefix_add.
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prefix_add /
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prefix_add /usr/weirdos
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prefix_add /usr/local
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# Use these instructions to remove already defined prefixes.
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#prefix_remove /usr/weirdos
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#prefix_remove /usr/local
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