Create HTML file from rev app

Wed Aug 25 09:50:26 EDT 2010

William,

Merge is king!

Another cool command is "format" which is like C printf() function. It can
be used like this:

put format("<html><head><title>my title</title></head><body><p><a
href=\"%s\">%s</a></p></body></html>", fld "link", fld "link") into tHTML

keep notice that you can use " inside a quoted format string if you escape
them like \"
You can use %s place holders where you want to insert your data that is
passed in order as arguments for the format function. In that example I use
two %s placeholders which are replaced with field "link" and field "link"
again.

The place holders are cool because you can use them to format, for example,
suppose I am passing the value 5 to the following placeholders:

%s output 5
%d output 5
%.2f output 5.00
%.3f output 5.000
%3d output 005
%4d output 0005

(there is much more to it but this is enough to show the concept)

:D

On Wed, Aug 25, 2010 at 5:58 AM, William de Smet <williamdesmet at gmail.com>wrote:

> Thanks Richard,
>
> That looks so much easier. I never used 'merge' before.
> I will definitely use this.
>
> Greetings,
>
> William
>
>
>
> 2010/8/25 Richard Gaskin <ambassador at fourthworld.com>:
> > William de Smet wrote:
> >
> >> It's been a while since my last question but working hard on some apps.
> >> For my daily job I needed a quick app to create a HTML file. In the
> >> app I have some fields and in one of them I put a URL (just
> >> www.domainname.com).
> >> In some hidden fields I put the needed HTML and the all come together
> >> when I save the file.
> >> All works fine but when I look at the sourcecode in IE8 or Safari the
> >> HTML isn't completely correct.
> >> In a link it misses the quotes (") at the beginning or the end of the
> URL.
> >>
> >> What I do is this:
> >> put  "<a href="& "http://"  & fld "link" & "  & target="& _blank &" >"
> >> & fld "link" &"</a>" &  "<"&"br/"&">"  &  "<"&"br/"&">" after tData
> >
> > You've discovered why I hate concatenating HTML in xTalks. ;)
> >
> > I've found it far less tedious to just write the HMTL as I want it in the
> > final output and use the merge function to assemble the dynamic parts.
> >
> > For example, you could have this in a field named "template":
> >
> > <a href="http://[[fld "link"]]" target="_blank ">[[fld
> > "link"]]</a><br/><br/>
> >
> > ...and then just use this to get the assembled output:
> >
> > put merge(fld "template") into tData
> >
> > Check out the merge function in the RevTalk dictionary.  It's a
> life-saver
> > for tasks like this (and a good many others).
> >
> > --
> >  Richard Gaskin
> >  Fourth World
> >  Rev training and consulting: http://www.fourthworld.com
> >  Webzine for Rev developers: http://www.revjournal.com
> >  revJournal blog: http://revjournal.com/blog.irv
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