Messages in this thread | | | Date | Tue, 19 Apr 2011 10:03:26 +0200 | From | Michal Marek <> | Subject | Re: LOCALVERSION in setlocalversion |
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On 19.4.2011 09:35, Haojian Zhuang wrote: > I still have a question. I can't find the semantic of > ${LOCALVERSION+set} in some > shell tutorials. Could you help me to figure out a link of introducing this?
It's a test if LOCALVERSION is set or not. See for instance http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_06_02, scroll down to the table that explains the various expansions.
Michal
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