The third argument, the command, gets substituted for the place-holder '-' in the second argument:
if (! open ($XML, '-|', "xsltproc $xslt $controlFile" )) {
....
}
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".
In the absence of evidence, opinion is indistinguishable from prejudice.