How to call external commands in an iPhone Program

Source: Internet
Author: User
The following describes how to call external commands in unofficial iPhone SDK programs. -(Nsstring *) executecommand: (nsstring *) cmd {nsstring * output = [nsstring string]; file * pipe = popen ([cmd cstringusingencoding: nsasciistringenc

The following describes how to call external commands in unofficial iPhone SDK programs.

 

 

  1. -(Nsstring *) executecommand: (nsstring *) cmd
  2. {
  3. Nsstring * output = [nsstring string];
  4. File * pipe = popen ([cmd cstringusingencoding: nsasciistringencoding], "R ");
  5. If (! PIPE) return;
  6.  
  7. Char Buf [1024];
  8. While (fgets (BUF, 1024, pipe )){
  9. Output = [Output stringbyappendingformat: @ "% s", Buf];
  10. }
  11.  
  12. Pclose (PIPE );
  13. Return output;
  14. }
  15.  
  16. Nsstring * yourcmd = [nsstring stringwithformat: @ "your command"];
  17. [Self executecommand: yourcmd];

 

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