NYCPHP Meetup

[Hans Zaunere]

--- Clay Givens <cjtotheg at artisanquest.com> wrote:
> Hello,
> I'm trying to run a program from the command line using the
> passthru() function. I'm using phptriad on an NT machine. I can get
> the passthru() function to execut basic DOS commands like "dir" etc,
> but as soon as I try to execute a program, my browser spins.

Can you tell if the program is ever getting executed?  Maybe you have
some path/permission problems?

I'm not sure about NT so much, but popen() and proc_open() may work
better for you.

H

> I'm adding an extra layer even, by running the program through a c
> command line parser that I wrote. Still no good. The command line
> argument is executed, but it starts a rogue process or something
> because the programs are running in my task manager, but the browser
> never comes back.

If the program expects input from stdin or output via stderr/stdout
you'll need to write/read, otherwise it will hang with either an empty
or filled buffer.  This is where popen() might be good, or better yet,
proc_open() if available.

H


> 
> So this is quite a situation for me now... I'm wondering if anyone
> has
> experience running command lines from a PHP page.
> 
> Thanks a lot!
> Clay
> 
> For your reference, here is my php code:
> 
> <?php
> 
> print("Click the button to execute SilkTest locally<br>");
> print("<form action=\\"test.php\\" method=post>\
");
> print("<input type=hidden value=1 name=go>\
");
> print("<input type=submit>\
");
> print("</form>\
");
> 
> if($go == 1){
> 	//execute local c program
> 	//$command = "sys_run.exe
> c://progra~1/Segue/SilkTest/partner.exe";
> 	//$command = "/apache/htdocs/pats/sys_run.exe
> /progra~1/Segue/SilkTest/partner.exe -r
> /apache/htdocs/pats/pats_individual_template.t > output.txt";
> 	$command = "/apache/htdocs/pats/sys_run.exe
> /progra~1/Segue/SilkTest/partner.exe -q -resexport -r
> /apache/htdocs/pats/pats_testplan.pln";
> 	//$command = "/apache/htdocs/pats/sys_run.exe
> /progra~1/Segue/SilkTest/partner.exe";
> 	//$command = "/apache/htdocs/pats/sys_run.exe dir"; //works
> 	//$return = exec($command);
>    //$return = system($command);
> 
> 	//$return = exec("c://progra~1/Segue/SilkTest/partner.exe -r
> c://apache/htdocs/pats/pats_individual_template.t");
> 	print("<pre>");
> 		passthru($command);
> 	print("</pre>");
> }
> 
> ?>
> 
> and here is my c program sys_run.c that is using a system() command
> with
> the parsed
> arguments in argv[]:
> 
> #include <stdio.h>
> #include <stdlib.h>
> #include <string.h>
> 
> int main(int argc, char * argv[]){
> 	int a, b, c;
> 	char CmdLn[5200];
> 
> 	if(argc < 2){
> 		printf("please specify a system command (with optional
> arguments) as an argument");
> 		return 0;
> 	}
> 
> 	printf("argc = %d\
", argc);
> 
> 	for(a=1, b=2, c=argc; b<=c; a++, b++){
> 		if(b == 2){
> 			strcpy(CmdLn, argv[a]);
> 			strcat(CmdLn, " ");
> 		}
> 		if( (b > 2) && (b < c) ){
> 			strcat(CmdLn, argv[a]);
> 			strcat(CmdLn, " ");
> 		}
> 		if(b == c){
> 			strcat(CmdLn, argv[a]);
> 		}
> 		printf("loop: CmdLn = %s\
", CmdLn);
> 	}
> 
> 	//"c://progra~1/Segue/SilkTest/partner.exe -r
> c://apache/htdocs/pats/pats_individual_template.t"
> 
> 	printf("final: CmdLn = %s\
", CmdLn);
> 
> 	system(CmdLn);
> 
> 	return 0;
> }
> 
> 
> 
> 
> --- Unsubscribe at http://nyphp.org/list ---
> 
> 


=====
Hans Zaunere
New York PHP
http://nyphp.org
hans at nyphp.org

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