From a270b086c552f24a01c9eb6009c9c610abea5f80 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Tue, 11 Dec 2018 13:25:46 +1300
Subject: Refactor "path list" not to require a subshell

---
 sh/shrc.d/path.sh | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'sh')

diff --git a/sh/shrc.d/path.sh b/sh/shrc.d/path.sh
index b6b1820f..70947515 100644
--- a/sh/shrc.d/path.sh
+++ b/sh/shrc.d/path.sh
@@ -5,15 +5,16 @@ path() {
     case $1 in
 
         # List current directories in PATH
-        list|'') (
-            path=$PATH:
-            while [ -n "$path" ] ; do
-                dir=${path%%:*}
-                path=${path#*:}
-                [ -n "$dir" ] || continue
-                printf '%s\n' "$dir"
+        list|'')
+            set -- "$PATH":
+            while [ -n "$1" ] ; do
+                case $1 in
+                    :*) ;;
+                    *) printf '%s\n' "${1%%:*}" ;;
+                esac
+                set -- "${1#*:}"
             done
-            ) ;;
+            ;;
 
         # Helper function checks directory argument makes sense
         _argcheck)
-- 
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