get system() answer ?

Thread Tools Search this Thread
Top Forums Programming get system() answer ?
# 1  
Old 11-13-2001
Question get system() answer ?

Hi ,
how can i get the system reply from a system() command ?
is it possible to evaluate the return of a system command ?
# 2  
Old 11-13-2001
If you want to read the output from the command, you need to use popen rather than system.

The return code from system just tells you whether it could run the command or not.
# 3  
Old 11-23-2001
Question Futher elaborate...


Can you please futher elaborate how to use the "popen" ?
# 4  
Old 11-23-2001
There is a man page on popen. But here is a quick example...
FILE *pipe;
char line[MAXLINE];
pipe=popen("/usr/bin/pwd", "r");

# 5  
Old 11-23-2001
Thank you

Thank you perderabo, I will try on it. By the way, I sent you an email.
Login or Register to Ask a Question

Previous Thread | Next Thread

9 More Discussions You Might Find Interesting

1. Solaris

==please answer the following questions==

Hello :) ! i've few doubts. 1) how can we find the newly attached disk in SOLARIS ? 2) how to change port number of a service ? 3) how can we find that autofs is running in our system without using svcs and prstat commands ? 4) we know that there are several types of dns servers in... (0 Replies)
Discussion started by: vamshigvk475
0 Replies

2. UNIX for Dummies Questions & Answers

I welcome all to answer my Q's

Hi everyone,, I am new to the forum...but not to Unix. I have gathered few questions from my mates who attended interviews in various companies as I have to attend one on dec 3rd for Sys admin position. Please respond with the answers you know and also help with various other interview... (2 Replies)
Discussion started by: impawan
2 Replies

3. Shell Programming and Scripting

help me to answer this

Hello everyone I update my question. Thanks for your reply joeyg If I type the last command and send to a text file. I get this last >usuarios.txt root pts/0 May 22 11:08 still logged in. root pts/0 alopez02 May 22 09:23 - 10:11 (00:47) root pts/0 May 20... (0 Replies)
Discussion started by: lo-lp-kl
0 Replies

4. Programming

How do I get system answer in c

How do I get the answer of a system call that is printed in the terminal? for example: I execute system("pwd"); and get the answer /home/user/ But because I need to send this result to somewhere, I need to store it in a string. Thanks in advance. (7 Replies)
Discussion started by: eldaran
7 Replies

5. UNIX for Dummies Questions & Answers

Answer them if u can...

Try to answer these questions on Unix: 1.what will be the segment() function do? 2.How Unix is more powerful than Windows? 3.Where ownership details will be stored of a particular file in Unix? 4.State different uses of ^ symbol in regular expressions. 5.What does export command used for?... (5 Replies)
Discussion started by: dreambig
5 Replies

6. UNIX for Dummies Questions & Answers

quick answer

i know by posting this people are going to get mad at me but, when i try to download unix for my Windows XP i find a whole bunch of files that i dont know what to do with, so please help, sorry if this has already been posted... or is a stupid question :o (9 Replies)
Discussion started by: DarkestEvil
9 Replies

7. Solaris

Can anybody answer this.....

Hi i am trying the threads concept in unix environment using C... but i am getting error of "wait_fd: Couldn't find procinfo for fd 24"... what does this error mean..... help me in solving this issue... Thanks in advance shivamasam (3 Replies)
Discussion started by: shivamasam
3 Replies

8. Programming

can any one answer ????

Q.1 Diffrence between terminal and pseudo-terminal ? Q.2 What is terminal login ? What is a netwok Login ? Q.3 What is meant by baud rate of a terminal ? Q.4 which structure is used for job control in Unix/Linux ?and where these structure are means in which directory ? (2 Replies)
Discussion started by: mobile01
2 Replies

9. UNIX for Dummies Questions & Answers

urgent answer these please

Hi, Please explain what does '$*' mean. what does the command cd /~abc do, especially what does '~' mean? cheers. (1 Reply)
Discussion started by: uni_ajay_r
1 Replies
Login or Register to Ask a Question