On Fri, 20 Dec 2002 18:18:10 +0900 "ath1410" <[EMAIL PROTECTED]> wrote:
> Tks for reply. > > I understand the way $test -z "" returns 0 and $test -n "" returns 1. > > What's puzzling me here is this. > > $test -z (there is no space after -z, no argment) returns 0 which means 'test >command thinks no argment equals to the > empty string'. > > However, $test -n (no space after, no argment) return 0 which > means 'test command in this case thinks no argment equals to > NO-empty string'. > > When no argment is given, why test command thinks differenly > depending on the options -z and -n. > > Can you help?? > this page can help you: http://tldp.org/LDP/abs/html/testconstructs.html bye jipe
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