bin/102184: the -n switch of the test command does not work

Maxim Konovalov maxim at macomnet.ru
Thu Aug 17 13:30:22 UTC 2006


The following reply was made to PR bin/102184; it has been noted by GNATS.

From: Maxim Konovalov <maxim at macomnet.ru>
To: Florian Meister <florian.meister at medienhaus.at>
Cc: bug-followup at freebsd.org
Subject: Re: bin/102184: the -n switch of the test command does not work
Date: Thu, 17 Aug 2006 17:21:39 +0400 (MSD)

 On Thu, 17 Aug 2006, 15:16+0200, Florian Meister wrote:
 
 > Hi Maxim,
 >
 > Maxim Konovalov wrote:
 > > [...]
 > > > > Description:
 > > >  test -n does not work. I always get a return code of zero, no
 > > >  matter if the variable has zero or more characters. I
 > > >  crosschecked it with the -z switch. This switch works with the
 > > >  same test-script.
 > >
 > > Works for me:
 > >
 > > $ /bin/test -n "aa"; echo $?
 > > 0
 > > $ /bin/test -n ""; echo $?
 > > 1
 > > $ export n="aa"; /bin/test -n "$n"; echo $?
 > > 0
 > > $ export n=""; /bin/test -n "$n"; echo $?
 > > 1
 > >
 >
 > what about that:
 > --snip--
 > tpextu02# set testvar="lala" ; [ -n $testvar ] ; echo $? ; echo $testvar
 > 0
 > lala
 > tpextu02# set testvar="" ; [ -n $testvar ] ; echo $? ; echo $testvar
 > 0
 >
 > --snap--
 >
 > I have printed out the $testvar at the end to ensure the the variable is set
 > correctly.
 
 > set testvar="lala" ; [ -n "$testvar" ] ; echo $? ; echo $testvar
 0
 lala
 > set testvar="" ; [ -n "$testvar" ] ; echo $? ; echo $testvar
 1
 
 
 -- 
 Maxim Konovalov


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