Convert ASCII File into HTML

Hi All,
I have a requirement to convert ASCII files (formatted files when opened through Textpad / Editplus) into HTML when its hyperlink is clicked from my application.
The present code is that, the TXT file was streamed, html tags have been added and the entire file was re-written as HTML (based on char 12 / 32, as the case may be) and saved as JSP / HTML extension, and placed in a temp folder.
response.sendRedirect() was used to open this file, which threw OutofMemoryException errors.
It was also revealed that, if the original ASCII file was 40KB, the converted JSP file would be 160KB (around 4 times)
The ideal conversion should be - add html tags in the new file and maintain the same formatting as the original ASCII file, & save the file with new extension.
Thus I need a memory efficient method such that these files are converted on the fly by the application, yet the size kept minimum.
Please suggest. Thanks in advance
Regards
Hari N

160k is trival on a modern desktop OS. Especially since it is temporary. What heap size is the server using?

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