$szPipe = `/htdocs/gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=/htdocs/merged.pdf /htdocs/Sep08-113518.pdf /htdocs/Sep08-113523.pdf`;
Adam Douglas wrote:
Backticks is simply the ` sign (usually the character above the tab). Popularly know as `hair on the ear` in my country :-)
for example if you want to invoke ls from php you just type
$result = `ls`;
hey presto the output from ls is now in your $result variable.
Ohhh okay. Well if you mean to do this, $szPipe = popen(`/htdocs/gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=/htdocs/merged.pdf /htdocs/Sep08-113518.pdf /htdocs/Sep08-113523.pdf`, "r");. This does not seem change anything. If I do this with the system() example, I get "Warning: system(): Cannot execute a blank command in /htdocs/index.php on line 14".
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