Re: Truncate input

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Subject: Re: Truncate input
From: Abel Braaksma <abel.online@xxxxxxxxx>
Date: Mon, 11 Sep 2006 16:56:22 +0200

Hi M Core,

Not sure if your question is about XSLT or XSL, since there's no mention of either in your post.

If you want to format a number, you can use <xsl:decimal-format /> with format-number(value, format, name). The name in format-number refers to a name you predefined with <xsl:decimal-format />. Recall that <xsl:decimal-number /> is a top-level element. This means it must be right under your <xsl:stylesheet> instruction.

You may also choose to format your number using the <xsl:number /> instruction or using string concatenation functions.

If you need rounding, you can use the round(number) xpath function, but since you say that 3,45678 must become 3,45, I guess you need truncating. If you use round(), be aware that it only returns integers.

-- using <xsl:number />
<xsl:number value="$yourinput" format="1.00" />

-- using round()
<xsl:value-of select="round($yourinput * 100) div 100" />

-- using fixed() (will truncate)
<xsl:value-of select="fixed($yourinput * 100) div 100" />

-- using string functions: <xsl:value-of select="concat ( substring-before( $yourinput, '.' ) , '.' , substring ( substring-after ( $yourinput, '.' ) , 1 , 2 ) )" />

You may have noticed that all these functions take input as a number that has a dot for decimal. You use a comma for decimal, so you may need to convert it. The easy thing to do that is using translate(string, tr, repl), I think:

-- converting your number:
<xsl:value-of select="translate ( $yournumber , ',' , '.' )" />

All the above snippets work with XSLT 1.0. But you can use them with 2.0 if you like or need it. There are many more possibilities.

Cheers,
Abel Braaksma
http://abelleba.metacarpus.com

m.core@xxxxxxxxxxxxxxxx wrote:

Hi all,

i need to truncate input that can be write in a box i have a var v1=2 if after coma there is more then v1 numbers then it must be truncate to v1 es...

if i insert 3,45678 in the input it let me write only 3,45 because v1=2
i think this must be done in the tags <input > </input>
i'm already in the case that the number is real ecc..
How can i do?..is there an option like <input format="">?

thx for replies

Current Thread
Truncate input m.core - 11 Sep 2006 09:17:57 -0000 Steve - 11 Sep 2006 10:40:28 -0000 Abel Braaksma - 11 Sep 2006 14:56:38 -0000 <=

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