Move the 'xplorer' alias to a binary

Using an alias does not work well when calling it from the WM's
launcher.

.aliases

@@ -17,10 +17,6 @@ hash sqlmap 2>/dev/null && alias sqlmap='sqlmap --user-agent="Mozilla/5.0 (compa
 hash sqlmap 2>/dev/null && alias sqlmap-tor='sqlmap --tor --tor-type=SOCKS5'
 hash steam 2>/dev/null && alias steam='find ~/.local/share/Steam/ \( -name "libgcc_s.so*" -o -name "libstdc++.so*" -o -name "libxcb.so*" -o -name "libgpg-error.so*" \) -print -delete; steam'
 
-for name in 'thunar' 'pcmanfm'; do
-    hash "$name" 2>/dev/null && alias xplorer="$name"
-done
-
 if hash chromium 2>/dev/null; then
     chromium-tor() {
         killall chromium

bin/xplorer

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -euo pipefail
+IFS=$'\n\t'
+
+for name in 'pcmanfm' 'thunar'; do
+    if hash "$name" 2>/dev/null; then
+        "$name"
+        break
+    fi
+done