[xsl] String manipulation question

[Bodrul Haque <Bodrul dot Haque at Synergy-Logistics dot co dot uk>]

Hi Everyone, 
My question is regarding some string manipulation.
I have template which looks at a string value of a date 
(eg 02-03-02 param1) and a dateformat (eg. DD-MM-YY param2).

My template has to (for e.g.): 
return       02-03-02
if  param1=  2-3-02
and param2=  DD-MM-YY

or 
return       02/03/2002
if  param1=  02/3/02
and param2=  DD-MM-YYYY    


I'm having difficulties in thinking of a short and neat way of appending '0'
in front of any number between 1-9 (if its not already there). 
[And appending a '20' for a year format (if its not already there)].
Any help appreciated.

Template
--------
<xsl:template name="dateFormat">
  <xsl:param name="str">
  <xsl:param name="date-format">
  <xsl:variable  name="str2">
    <xsl:choose>
      <xsl:when test="string-length($str) = string-length($date-format)">
	   <xsl:value-of select="$str"/>
      </xsl:when>
      <xsl:otherwise>
        
		<!-- need some help here -->

	</xsl:otherwise>
    </xsl:choose>
  </xsl:variable>
</xsl:template>

Regards
Bodrul




 


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