Sponsored Content
Top Forums Shell Programming and Scripting How to access the C program variables in shell script Post 302079700 by jim mcnamara on Wednesday 12th of July 2006 11:11:26 AM
Old 07-12-2006
Pass some variables to the script as parameters

Code:
char cmd[256]={0x0};
sprintf(cmd,"%s  %d %s","myscript.sh", intCvariable, strCvariable);

or check into popen which lets the C code write to stdin of the script.

man popen
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Urgent!! How to write a shell program to execute command to access internet?

hi, I am new ot unix. So, can i write a shell(c shell or korn shell) program to access internet? I mean if I run the program, it can access specified url and then copy the html to a file? Can anyone help me? And how can make the program runs every 1 hr? new comer (2 Replies)
Discussion started by: firebirdonfire
2 Replies

2. Shell Programming and Scripting

Passing shell variables to awk program..

Hello, Can we pass shell variables like $PATH etc. to a awk program part for example, awk ' { fieldValue=$PATH .... }' file (1 Reply)
Discussion started by: Vishnu
1 Replies

3. Shell Programming and Scripting

problem accessing Multiple Variables from C Program to a Shell script

program name--test #!/bin/bash output1=`/home/user/a.c` output2=`/home/user/a.c` k=`$output1 + 1` m=`$output2 + 1` echo $k echo $m --------------------------------------------------------------------------- prgram name--a.c #include<stdio.h> int main() (1 Reply)
Discussion started by: sameworld1980
1 Replies

4. Shell Programming and Scripting

how to access variables in a config file inside a shell script

I'm writing a shell script. I want to put the variables in a separate config files and use those inside my script. e.g. the config file (temp.conf)will have the values like mapping=123 file_name=xyz.txt I want to access these variables in temp.conf(i.e. mapping and file_name) from inside the... (7 Replies)
Discussion started by: badrimohanty
7 Replies

5. Shell Programming and Scripting

how to create and access a directory in the same script using variables

I have a working script that defines the paths using variables which is used to move a rename files that are being archived. Is there a way to create a directory in the path with the date as the name and then reference it when moving the file to it? Here is what I have tried with no luck.... ... (1 Reply)
Discussion started by: Snickyt0310
1 Replies

6. Shell Programming and Scripting

access db2 from shell script

How to connect to db2 through shell script using cygwin? (0 Replies)
Discussion started by: supriyat
0 Replies

7. UNIX for Dummies Questions & Answers

How to write Config shell script to pass variables in master shell script?

Dear Unix gurus, We have a config shell script file which has 30 variables which needs to be passed to master unix shell script that invokes oracle database sessions. So those 30 variables need to go through the database sessions (They are inputs) via a shell script. one of the variable name... (1 Reply)
Discussion started by: dba1981
1 Replies

8. Shell Programming and Scripting

How to write config shell script to pass variables in master shell script?

Dear Unix gurus, We have a config shell script file which has 30 variables which needs to be passed to master unix shell script that invokes oracle database sessions. So those 30 variables need to go through the database sessions (They are inputs) via a shell script. one of the variable name... (1 Reply)
Discussion started by: dba1981
1 Replies

9. Shell Programming and Scripting

Shell script to create runtime variables based on the number of parameters passed in the script

Hi All, I have a script which intends to create as many variables at runtime, as the number of parameters passed to it. The script needs to save these parameter values in the variables created and print them abc.sh ---------- export Numbr_Parms=$# export a=1 while do export... (3 Replies)
Discussion started by: dev.devil.1983
3 Replies

10. Shell Programming and Scripting

Except script to run a local shell script on remote server using root access

local script: cat > first.sh cd /tmp echo $PWD echo `whoami` cd /tmp/123 tar -cvf 789.tar 456 sleep 10 except script: cat > first #!/usr/bin/expect set ip 10.5.15.20 set user "xyz123" set password "123456" set script first.sh spawn sh -c "ssh $user@$ip bash < $script" (1 Reply)
Discussion started by: Aditya Avanth
1 Replies
explain_popen_or_die(3) 				     Library Functions Manual					   explain_popen_or_die(3)

NAME
explain_popen_or_die - process I/O and report errors SYNOPSIS
#include <libexplain/popen.h> FILE *explain_popen_or_die(const char *command, const char *flags); DESCRIPTION
The explain_popen_or_die function is used to call the popen(3) system call. On failure an explanation will be printed to stderr, obtained from explain_popen(3), and then the process terminates by calling exit(EXIT_FAILURE). This function is intended to be used in a fashion similar to the following example: FILE *fp = explain_popen_or_die(command, flags); command The command, exactly as to be passed to the popen(3) system call. flags The flags, exactly as to be passed to the popen(3) system call. Returns: This function only returns on success, see popen(3) for more information. On failure, prints an explanation and exits. SEE ALSO
popen(3) process I/O explain_popen(3) explain popen(3) errors exit(2) terminate the calling process COPYRIGHT
libexplain version 0.52 Copyright (C) 2009 Peter Miller explain_popen_or_die(3)
All times are GMT -4. The time now is 02:45 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy