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

[Maxim Konovalov]

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 16:56:16 +0400 (MSD)

 Hi Florian,
 
 [...]
 > >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
 
 > >How-To-Repeat:
 > sample shell script:
 > --snip--
 > jail_interface="lala"
 > if [ -n ${jail_interface} ]; then
 >                         echo "interface: -$jail_interface-"
 >                 fi
 > --snap--
 >
 > try to replace the variable jail_interface with nothing - same
 > result. If you replace -n with -z you get the expected results.
 
 -- 
 Maxim Konovalov