Subject: [xsl] 10,000 document()'s From: Peter Binkley <Peter.Binkley@xxxxxxxxxxx> Date: Tue, 8 Apr 2003 10:05:53 -0600 |
I need advice on how to tackle this problem: I've got a file that contains a list of about 10,000 other files, and I want to process the list so as to add a wordcount for each of the external files. Something like this: Input: <files> <file> <filename>/path/to/file/2844942.xml</filename <file> <file> .... </file> <files> Output: <files> <file> <filename>/path/to/file/2844942.xml</filename <wordcount>2938</wordcount> <file> <file> .... </file> <files> The obvious approach is to use a for-each loop that includes a variable that opens the external file using a document() call. The problem is that the process inevitably runs out of memory, both with Saxon and Xalan. It seems that the variables are passing out of scope and being destroyed as they should, but I gather from a posting by Michael Kay (http://www.biglist.com/lists/xsl-list/archives/200212/msg00507.html) that all of those document() source trees are remaining in memory throughout the transformation, adding up to megabytes of data. Can anyone suggest a strategy? The process doesn't have to be fast, it just has to finish. Peter Binkley Digital Initiatives Technology Librarian Information Technology Services 4-30 Cameron Library University of Alberta Libraries Edmonton, Alberta Canada T6G 2J8 Phone: (780) 492-3743 Fax: (780) 492-9243 e-mail: peter.binkley@xxxxxxxxxxx XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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