Move from omf to fisher for fishshell

config/fish/functions/__z_clean.fish

@@ -0,0 +1,10 @@
+function __z_clean -d "Clean up .z file to remove paths no longer valid"
+  set -l tmpfile (mktemp $Z_DATA.XXXXXX)
+
+  if test -f $tmpfile
+    command awk -F "|" 'system("test -d \"" $1 "\"") == 0 { print $0 }' $Z_DATA > $tmpfile
+    command mv -f $tmpfile $Z_DATA
+  end
+
+  __z_complete
+end