Re: Unexpected comparison behavior change in 4.5.1
This WebDNA talk-list message is from 2003
It keeps the original formatting.
numero = 48738
interpreted = N
texte = As Alain noted, it is very important to [URL] the variable otherwise you will get errant results.For example if you have this:[ShowIf [variable]=]BLANK VARIABLE[/ShowIf]and the variable is: here is the variable!It will NOT work as the exclamation screws the WebDNA and the result will show BLANK VARIABLE.If you [URL] the variable the WebDNA WILL work as expected.[ShowIf [URL][variable][/URL]=]BLANK VARIABLE[/ShowIf] On Saturday, March 15, 2003, at 09:39 PM, Gary Krockover wrote:> Yeah, noticed that too, and FWIW, I've added this to my code snippets > in > EditPlus: > > [showif [variable]!][showif > [variable]![raw][variable][/raw]][variable][/showif][/showif] > > GK > > P.S. I'm working on the interactive WebDNA reference. I should > have a > beta of that up sometime today. The nice thing is that the actual > pages of > the commands/contexts are displayed in an iframe from > http://webdnadocs.smithmicro.com/, so whenever they update their docs, > it's > updated on this version as well. Notes can be appended to the bottom > of > each page for code snippets, examples, gotcha's, etc. I'll keep you > all > posted.... > > > >> I tend to agree here .. the correct way to check if a variable > contains/does >> not contain something >> >> [showif [url][variable][/url]=] ..... >> [showif [url][variable][/url]!].... >> >> Alain >> >> ----- Original Message ----- >> From: Tim Robinson
>> To: WebDNA Talk >> Sent: Saturday, March 15, 2003 11:26 PM >> Subject: Re: Unexpected comparison behavior change in 4.5.1 >> >> >>> Maybe this is a fix rather than a bug... A value can equal blank, but > can >> a >>> non-blank value contain a blank? I wouldn't think so. That would be >>> my >>> thinking anyway. >>> >>> Tim >>> >>>> From: Brian Fries >>>> Reply-To: (WebDNA Talk) >>>> Date: Sat, 15 Mar 2003 00:30:40 -0800 >>>> To: (WebDNA Talk) >>>> Subject: Unexpected comparison behavior change in 4.5.1 >>>> >>>> Running WebDNA 4.5.1 on OSX, I'm finding an unexpected and >>>> undesirable >>>> change in the behavior of IF and SHOWIF contains comparisons when > the >>>> value being tested for is blank. >>>> >>>> I ran this code on three servers - OSX / 4.5.0, OS9 / 4.0.2 and OSX >>>> / >>>> 4.5.1: >>>> >>>> [showif bob^]yes[/showif][hideif bob^]no[/hideif]
>>>> [if bob^][then]yo[/then][else]nah[/else][/if]
>>>> >>>> On both the 4.5.0 and 4.0.2 systems, it returns: >>>> yes >>>> yo >>>> >>>> On the 4.5.1 system, it returns: >>>> no >>>> nah >>>> >>>> >>>> Can I get confirmation from SMSI and/or other users that this is a >>>> bug >>>> introduced in 4.5.1? >>>> >>>> - brian >>>> >>>> -- Brian Fries, BrainScan Software -- > http://www.brainscansoftware.com > > > ------------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: http://webdna.smithmicro.com/ > > RegardsStuart Tremain idfk web developments 114a/40 yeo street neutral bay 2089 australia t +612 9908 2134 f +612 9908 4837------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Associated Messages, from the most recent to the oldest:
As Alain noted, it is very important to [url] the variable otherwise you will get errant results.For example if you have this:[ShowIf [variable]=]BLANK VARIABLE[/ShowIf]and the variable is: here is the variable!It will NOT work as the exclamation screws the WebDNA and the result will show BLANK VARIABLE.If you [url] the variable the WebDNA WILL work as expected.[ShowIf [url][variable][/URL]=]BLANK VARIABLE[/ShowIf] On Saturday, March 15, 2003, at 09:39 PM, Gary Krockover wrote:> Yeah, noticed that too, and FWIW, I've added this to my code snippets > in > EditPlus: > > [showif [variable]!][showif > [variable]![raw][variable][/raw]][variable][/showif][/showif] > > GK > > P.S. I'm working on the interactive WebDNA reference. I should > have a > beta of that up sometime today. The nice thing is that the actual > pages of > the commands/contexts are displayed in an iframe from > http://webdnadocs.smithmicro.com/, so whenever they update their docs, > it's > updated on this version as well. Notes can be appended to the bottom > of > each page for code snippets, examples, gotcha's, etc. I'll keep you > all > posted.... > > > >> I tend to agree here .. the correct way to check if a variable > contains/does >> not contain something >> >> [showif [url][variable][/url]=] ..... >> [showif [url][variable][/url]!].... >> >> Alain >> >> ----- Original Message ----- >> From: Tim Robinson >> To: WebDNA Talk >> Sent: Saturday, March 15, 2003 11:26 PM >> Subject: Re: Unexpected comparison behavior change in 4.5.1 >> >> >>> Maybe this is a fix rather than a bug... A value can equal blank, but > can >> a >>> non-blank value contain a blank? I wouldn't think so. That would be >>> my >>> thinking anyway. >>> >>> Tim >>> >>>> From: Brian Fries >>>> Reply-To: (WebDNA Talk) >>>> Date: Sat, 15 Mar 2003 00:30:40 -0800 >>>> To: (WebDNA Talk) >>>> Subject: Unexpected comparison behavior change in 4.5.1 >>>> >>>> Running WebDNA 4.5.1 on OSX, I'm finding an unexpected and >>>> undesirable >>>> change in the behavior of IF and SHOWIF contains comparisons when > the >>>> value being tested for is blank. >>>> >>>> I ran this code on three servers - OSX / 4.5.0, OS9 / 4.0.2 and OSX >>>> / >>>> 4.5.1: >>>> >>>> [showif bob^]yes[/showif][hideif bob^]no[/hideif]
>>>> [if bob^][then]yo[/then][else]nah[/else][/if]
>>>> >>>> On both the 4.5.0 and 4.0.2 systems, it returns: >>>> yes >>>> yo >>>> >>>> On the 4.5.1 system, it returns: >>>> no >>>> nah >>>> >>>> >>>> Can I get confirmation from SMSI and/or other users that this is a >>>> bug >>>> introduced in 4.5.1? >>>> >>>> - brian >>>> >>>> -- Brian Fries, BrainScan Software -- > http://www.brainscansoftware.com > > > ------------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > > Web Archive of this list is at: http://webdna.smithmicro.com/ > > RegardsStuart Tremain idfk web developments 114a/40 yeo street neutral bay 2089 australia t +612 9908 2134 f +612 9908 4837------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Stuart Tremain
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