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Top Forums Programming C program to execute shell script Post 302365834 by pogdorica on Wednesday 28th of October 2009 06:38:30 AM
Old 10-28-2009
C program to execute script

In C++, you can:

Code:
#include <stdlib.h>
#include <stdio.h>
#include <string>

int main (int argc, char *argv[])
{
 int count;
 std::string cadena = "";
 std::string orden;

 for (count = 1; count < argc; count++)
 {
   cadena.append (argv[count]);
 }
 orden = "/tmp/lab5.sh " + cadena;
 return system(orden.c_str());
}

If you need C language, only you must replace the "append" operation with concatenate (strcat or sprintf) variables C char *.

Last edited by fpmurphy; 10-28-2009 at 09:20 AM.. Reason: code tags added
 

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INITSCRIPT(5)						Linux System Administrator's Manual					     INITSCRIPT(5)

NAME
initscript - script that executes inittab commands. SYNOPSIS
/bin/sh /etc/initscript id runlevels action process DESCRIPTION
When the shell script /etc/initscript is present, init will use it to execute the commands from inittab. This script can be used to set things like ulimit and umask default values for every process. EXAMPLES
This is a sample initscript, which might be installed on your system as /etc/initscript.sample. # # initscript Executed by init(8) for every program it # wants to spawn like this: # # /bin/sh /etc/initscript <id> <level> <action> <process> # # Set umask to safe level, and enable core dumps. umask 022 ulimit -c 2097151 PATH=/bin:/sbin:/usr/bin:/usr/sbin export PATH # Increase the hard file descriptor limit for all processes # to 8192. The soft limit is still 1024, but any unprivileged # process can increase its soft limit up to the hard limit # with "ulimit -Sn xxx" (needs a 2.2.13 or later Linux kernel). ulimit -Hn 8192 # Execute the program. eval exec "$4" NOTES
This script is not meant as startup script for daemons or somesuch. It has nothing to do with a rc.local style script. It's just a handler for things executed from /etc/inittab. Experimenting with this can make your system un(re)bootable. FILES
/etc/inittab, /etc/initscript. AUTHOR
Miquel van Smoorenburg ,<miquels@cistron.nl> SEE ALSO
init(8), inittab(5). July 10, 2003 INITSCRIPT(5)
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