treewide: move zsh functions to sh scripts

.config/zsh/alias/idle.zsh.old

@@ -0,0 +1,42 @@
+#!/bin/zsh
+
+idle() {
+    [ -n "${1:?}" ]
+
+    local f
+
+    f=$(type "$1")
+    case "$f" in
+    "$1 is /"* )
+        z-idle-ext "$@"
+    ;;
+    * )
+        z-idle-int "$@"
+    ;;
+    esac
+}
+
+z-idle-ext() {
+    [ -n "${1:?}" ]
+
+    local -a s
+
+    s+=( $(z-alt-find 'nice -n +40') )
+    s+=( $(z-alt-find 'chrt -i 0'  ) )
+    s+=( $(z-alt-find 'ionice -c 3') )
+    command ${s[@]} "$@"
+}
+
+z-idle-int() {
+    [ -n "${1:?}" ]
+
+    ## execute in subshell
+    (
+        {
+        command renice -n +40 -p ${sysparams[pid]}
+        command chrt -i -p 0 ${sysparams[pid]}
+        command ionice -c 3 -p ${sysparams[pid]}
+        } </dev/null &>/dev/null
+        "$@"
+    )
+}