Re: [defined]ish
This WebDNA talk-list message is from 1997
It keeps the original formatting.
numero = 13526
interpreted = N
texte = On the subject of Re: [defined]ish hath scrawled Grant Hulbert:>If you set a variable fred=12, then using [fred] will display 12. If >a variable named fred does not exist, then [fred] will display >literally [fred]. This is done purposely so that web pages with text >button-bars won't mess up: >[ Home | About Us | Guestbook ] should display as plain text even >though it has those [ in it. > >So to check for the 'non-existence' of a variable, you can just check >to see if its value is the same as its raw text: > >[showif [fred]=[raw][fred][/raw]]...variable fred doesn't exist[/showif] > >Notice you need the [raw] context because [showif [fred]=[fred]] will >always be true: [showif 12=12] or [showif [fred]=[fred]] is always >true.OK, this makes sense. Strikes me as a bit awkward, but it'll do. Thanks!spud. ------------------------------------------------------------------------- a.h.s. boy ---------------------- manifesto overlord, dada typographics spud@nothingness.org ------- http://www.nothingness.org/ Now featuring Social Anarchism and the Situationist International archives J'suis l'enfant de l'etat, et je me bats contre ca
Associated Messages, from the most recent to the oldest:
On the subject of Re: [defined]ish hath scrawled Grant Hulbert:>If you set a variable fred=12, then using [fred] will display 12. If >a variable named fred does not exist, then [fred] will display >literally [fred]. This is done purposely so that web pages with text >button-bars won't mess up: >[ Home | About Us | Guestbook ] should display as plain text even >though it has those [ in it. > >So to check for the 'non-existence' of a variable, you can just check >to see if its value is the same as its raw text: > >[showif [fred]=
[raw][fred][/raw]]...variable fred doesn't exist[/showif] > >Notice you need the
[raw] context because [showif [fred]=[fred]] will >always be true: [showif 12=12] or [showif [fred]=[fred]] is always >true.OK, this makes sense. Strikes me as a bit awkward, but it'll do. Thanks!spud. ------------------------------------------------------------------------- a.h.s. boy ---------------------- manifesto overlord, dada typographics spud@nothingness.org ------- http://www.nothingness.org/ Now featuring Social Anarchism and the Situationist International archives J'suis l'enfant de l'etat, et je me bats contre ca
a.h.s. boy
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