Re: getenv
- Posted by Jim Brown <jbrown105 at li?ux?uddhist.net> May 31, 2008
- 681 views
CChris wrote: > > Or, faster: > }}} <eucode> > en = getenv("FOO") > if compare(en,"")=1 then > -- empty > end if > </eucode> {{{ > > CChris > Also wrong. It fails to catch the (more portable) getenv() = -1 case. You want (compare(en,"") or compare(en,-1)), or possibly find(en, {"",-1}) (I'm not sure which would be faster.) Unless you meant this: > en = getenv("FOO") > if compare(en,"")=1 then > en = -1 > end if