From: Thilo Six <tech@xk2c.de>
Date: Sat, 30 Apr 2016 11:39:05 +0000 (+0200)
Subject: zshrc: check_com() fixed and zshified
X-Git-Tag: v0.12.6~2
X-Git-Url: https://git.grml.org/?a=commitdiff_plain;h=ebd9d165348f511fa1082f9a4c0ce341e277f131;hp=ebd9d165348f511fa1082f9a4c0ce341e277f131;p=grml-etc-core.git

zshrc: check_com() fixed and zshified

* FIX: in the elif a shift was missing
* MOD: use '(( ${+' instead of '[[ -n ${'
  One thing though: I tried to verify since when Zsh supports that.
  Currently i do not know where to get that from.
* FIX: add -g to help message
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