My program are mainly run thru www web browser, there is no command line execution in concern here. Does the interrupt handler you suggested able to capture this or they are all same?

Sorry, but I'm not qualified to answer that question. I suggest you post a new SoPW along the lines of:"What sources of interrupts can affect my perl/CGI script; and what can I do about them?".

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I'm with torvalds on this
In the absence of evidence, opinion is indistinguishable from prejudice. Agile (and TDD) debunked

In reply to Re^4: Process large text data in array by BrowserUk
in thread Process large text data in array by hankcoder

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