Dear list,
I have a strange problem with the weird behaviour of exec() or system()
When I do:
exec('/usr/local/bin/php somescript.php if=infile.txt of=outfile.txt >
out_somescript &');
in a script invoked by apache, it works perfectly - the somescript processes
'infile.txt' and produces 'outfile.txt' .
BUT, if I take off the ampersand '&' (ie I want to exec it and to wait for
it to finish before going ahead), it does NOT work. I find an empty file
'out_somescript' and no 'outfile.txt' at all.
I recompiled php (ELF binary in /usr/local/bin) without
--enable-force-cgi-redirect
--enable-safe-mode --enable-discard-path
All files have universal read permission, the directory is writable by apache
group. There is suExec module.
I also tried system() to make a shell invocation.
The problem persists: with & it's ok, meanwhile without it doesn't execute
the script. What is wrong? Please help me, thanks!!
Siva
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