1. Programming

Hi! I'm writing a C program which gets from the command line a shell command (such as "ls" ) and I should execute it. My Q is: how can I send a command to the shell? I know I have to use one of the above functions, but I don't know how to use them. Thanks eyal (1 Reply)

2. Programming

Hi, Is it possible to run a program from my C program using only the full pathname? for example if I wanna call: "ls", so I whould have to use: execl("/bin/ls", "ls", NULL); Is it possible to do this using only: "/bin/ls" thanks (1 Reply)

3. Programming

Consider the following scenario program1: main() { ...... execl("path","function",...); ..... } function() { ----- ------- } Now i want to include the path of function in execl. How to do this. should the path be the path of function's executable file. If it so how... (1 Reply)

4. Programming

can anyone explain how to pass arguments of a program in execl function pls explain with a sample code. (2 Replies)

5. Shell Programming and Scripting

I want to make simultanous sh commands in an exec command for example I want to counts the lines in a file wc -l my file.txt | awk -F" " '{print $1}'` works fine in sh but I want to implement it in a c code the first part works like this execl("/usr/bin/wc", "wc", "-l", "myfile.txt",... (1 Reply)

6. Programming

Hi, we would appreciate if any one answer the below query. void main() { printf(“ I am in main\n”); execl(“/HOME/source/file2”,” /HOME/source/file2”,1,0); printf(“after execl\n”); } How to step the file2 source code in GDB. (2 Replies)

7. Red Hat

how to use find command in execl function, I used: execl("/usr/bin/find","find","~","-name","filename.c",0); but it shows find: ~ no file and directory i need to get the path of the file from the home .:wall: (2 Replies)

8. Programming

when execl fails using the command lss, it doesnt go into the next line execl("/bin/sh", "/bin/sh", "-c", command, NULL); perror("execl failed"); exit(127); for some reason the child process just stops and also the parent process also stops so the line after the line that... (3 Replies)

9. Programming

Hi, I have two programs, one is named "Master" and the other one "slave". What I want to do is , when I execute Master, inside slave will be called by excecl, do some calculations, and send those to the master program... A little example of what I am failing to do: if ((PID1=fork())==0) { //... (6 Replies)

10. UNIX for Beginners Questions & Answers

Hi, If I write in a c file : execlp("date","date",NULL); printf("A\n"); And then run through the terminal would "A" be printed ? I understood that execlp will exit the program after it finished so the next lines of code won`t be executed afterwards.. Is that true ? (1 Reply)