C++ and Unix NEED HELP Post: 302645537

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Top Forums UNIX for Dummies Questions & Answers C++ and Unix NEED HELP Post 302645537 by KUJayhawk123 on Wednesday 23rd of May 2012 04:30:05 PM

05-23-2012

Registered User

C++ and Unix NEED HELP

In order to run some procedures I have to run multiple unix codes which are all programs written in the computer. For example:
: ../../bin/takeData -l -dir ../../Working_Directory -trimVcal 60
then after that is ran I'd have to run
: cd ../convert_to_tree
: ./convert_to_tree XXXX
: ./pulseHeightMain XXXX
: cd ~/log/bt0500XXXX
etc.
the XXXX represents a test run number. What I want to do is be able to type a program that would look like this:
: ./AquireData -dir Working_Directory -run XXXX
that would run all above and more. AquireData would be the C++ file. What I have so far is:

Code:

#include <iostream>
#include <fstream>
#include <string>
using namespace std;

int main(int argc, char* argv[]) {

string file_name;
string run_num;
string config_file;
int opt = 0;

for (int i = 1; i < argc; i++) {
           if (i + 1 != argc)
               if (argv[i] == "-dir") {
                   file_name = argv[i + 1];
               } else if (argv[i] == "-run") {
                   run_num = argv[i + 1];
               } else if (argv[i] == "-mask") {
                   opt = 1;
               } else if (argv[i] == "-cfg") {
                   config file = argv[i+1];
               }
           std::cout << argv[i] << " ";
       }

if (opt == 0){
// Unix commands for unmasked
}

if (opt == 1){
// Unix commands for unmasked
}

return 0;
}

Here is my two main questions:
1. When I'm in the directory what would I type with the arguments to compile and run the c++ code and read the argument line? and can I make it look like how I wanted to above?

2. How to I put unix commands in c++ so I could have something like:
cd ~/log/bt0500 << run_num

Note: I haven't used C++ in awhile so some of the easy stuff has slipped past me, but also the reason I'm using c++ is because a shell command script like AquireData.C wouldn't be able to input directory, run number, and other options, or would it?

Last edited by Corona688; 05-23-2012 at 05:42 PM..

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LEARN ABOUT FREEBSD

smrsh

SMRSH(8)						      System Manager's Manual							  SMRSH(8)

NAME

       smrsh - restricted shell for sendmail

SYNOPSIS

       smrsh -c command

DESCRIPTION

       The smrsh program is intended as a replacement for sh for use in the ``prog'' mailer in sendmail(8) configuration files.  It sharply limits
       the commands that can be run using the ``|program'' syntax of sendmail in order to improve the over all security of your system.   Briefly,
       even  if  a  ``bad guy'' can get sendmail to run a program without going through an alias or forward file, smrsh limits the set of programs
       that he or she can execute.

       Briefly, smrsh limits programs to be in a single directory, by default /usr/libexec/sm.bin, allowing the system administrator to choose the
       set  of	acceptable  commands,  and  to the shell builtin commands ``exec'', ``exit'', and ``echo''.  It also rejects any commands with the
       characters ``', `<', `>', `;', `$', `(', `)', `
' (carriage return), or `
' (newline) on the command line to prevent ``end run'' attacks.
       It allows ``||'' and ``&&'' to enable commands like: ``"|exec /usr/local/bin/filter || exit 75"''

       Initial	pathnames  on programs are stripped, so forwarding to ``/usr/bin/vacation'', ``/home/server/mydir/bin/vacation'', and ``vacation''
       all actually forward to ``/usr/libexec/sm.bin/vacation''.

       System administrators should be conservative about populating the sm.bin directory.  For example, a reasonable  additions  is  vacation(1),
       and  the  like.	No matter how brow-beaten you may be, never include any shell or shell-like program (such as perl(1)) in the sm.bin direc-
       tory.  Note that this does not restrict the use of shell or perl scripts in the sm.bin directory (using the ``#!'' syntax); it simply  dis-
       allows  execution  of  arbitrary  programs.   Also,  including mail filtering programs such as procmail(1) is a very bad idea.  procmail(1)
       allows users to run arbitrary programs in their procmailrc(5).

COMPILATION

       Compilation should be trivial on most systems.  You may need to use -DSMRSH_PATH="path" to adjust the default search  path  (defaults	to
       ``/bin:/usr/bin'') and/or -DSMRSH_CMDDIR="dir" to change the default program directory (defaults to ``/usr/libexec/sm.bin'').

FILES

       /usr/adm/sm.bin - default directory for restricted programs on most OSs

       /var/adm/sm.bin - directory for restricted programs on HP UX and Solaris

       /usr/libexec/sm.bin - directory for restricted programs on FreeBSD (>= 3.3) and DragonFly BSD

SEE ALSO

       sendmail(8)

							   $Date: 2013-11-22 20:52:00 $ 						  SMRSH(8)