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Running a Unix shell script from PHP

Posted on 2006-04-20
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Last Modified: 2006-11-18
Hey, Experts...

I can't kick off a unix shell script from inside my PHP web page...can I?  

-thanks.
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Question by:bakum
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4 Comments
 
LVL 15

Expert Comment

by:m1tk4
ID: 16503640
You can, if your PHP is not in safe mode or restricted in a similar way by your web hosting provider. See http://us2.php.net/manual/en/ref.exec.php
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Author Comment

by:bakum
ID: 16512044
I've upped the point value here because while those commands are useful...what I want to run is a ~script~.  And I can't seem to make the script run.  The command returns no output, return value is 1.  

It might bear upon the situation that the script makes an FTP connection and downloads any files that are in the remote directory.  Anyone think this is possible?  

Here is the PHP code I'm trying to execute...$output never returns anything:

$output = `sh myftpscript.sh >>logfile.txt`;
echo $output;

here is the myftpscript.sh...which works great when executed from the command line:

USER="UUU"
PASSWD="PPP"

ftp -n ftp.XXXXXX.com<<END_SCRIPT
quote USER $USER
quote PASS $PASSWD
lcd releases
bin
prompt
mget  *.*
quit
END_SCRIPT

exit 0

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Accepted Solution

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m1tk4 earned 2000 total points
ID: 16512205
$output will never get anything because you redirected all output to logfile txt. That is, if your sample runs anything at all - I'm not sure backticks (``) create an environment enough to find sh - try replacing it with /bin/sh myftpscript.sh.
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Author Comment

by:bakum
ID: 16557624
Outstanding.  Once again, this is truly an "EXPERTS" exchange.  

Thanks.
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