X-Git-Url: https://git.madduck.net/etc/zsh.git/blobdiff_plain/9a1960b5edade792e0d4d9a8c8e0630e774affc5..59aba6c965455891a22e8ea22f561854e43903bd:/.zsh/util

diff --git a/.zsh/util b/.zsh/util
index 6c8970a..422dba9 100644
--- a/.zsh/util
+++ b/.zsh/util
@@ -2,7 +2,7 @@
 #
 # Miscellaneous utility functions
 #
-# Copyright © 1994–2008 martin f. krafft <madduck@madduck.net>
+# Copyright © 1994–2017 martin f. krafft <madduck@madduck.net>
 # Released under the terms of the Artistic Licence 2.0
 #
 # Source repository: http://git.madduck.net/v/etc/zsh.git
@@ -12,4 +12,22 @@ is_root() {
   test ${EUID:?} -eq 0
 }
 
+array_prepend() {
+  local arrayname="$1"; shift
+  local i
+  for i; do
+    eval "typeset -ga $arrayname; $arrayname=(\$i \${$arrayname[@]/\$i})"
+  done
+}
+
+array_append() {
+  local arrayname="$1"; shift
+  local i
+  for i; do
+    eval "typeset -ga $arrayname; $arrayname=(\${$arrayname[@]/\$i} \$i)"
+  done
+}
+
+function trace() { ( eval "set -x; $@"; ) }
+
 # vim:ft=zsh