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  1. #include <string>
  2. #include <algorithm>
  3. #include <iostream>
  4. #include <iterator>
  5. #include <sys/types.h>
  6. #include <sys/wait.h>
  7. #include <unistd.h>
  8. #include <vector>
  9.  
  10. using namespace std;
  11.  
  12. const string PROMPT = "prompt> ";
  13. const string PIPE_DEL = "||";
  14.  
  15. bool checkInput(char []);
  16.  
  17.  
  18. bool checkInput(string command){
  19.     transform(command.begin(), command.end(), command.begin(), ::tolower);
  20.     if (command == "q" || command == "quit")
  21.         return true;
  22.     else
  23.         return false;   
  24. }
  25.  
  26.  
  27. int main(){
  28.     int iteration = 0;
  29.     while (true){
  30.         string command;
  31.         pid_t pid;
  32.  
  33.         cout << '\n' << iteration << '\n';
  34.         cout << PROMPT;
  35.         if (getline(cin, command) && ! checkInput(command) ) {
  36.         	size_t pos=0, nxt=0; 
  37.             vector<string> commands;
  38.  
  39.             do { 
  40.         	    nxt=command.find(PIPE_DEL,pos); 
  41.                 commands.push_back(command.substr(pos, nxt-pos));
  42.                 if (nxt!=string::npos)
  43.                    nxt+=PIPE_DEL.length();
  44.                 pos = nxt;
  45.         	} while (pos!=string::npos);
  46.  
  47.         	cout<<"Commands:";
  48.         	copy(commands.begin(), commands.end(), ostream_iterator<string>(cout,"\n\t"));
  49.             iteration ++;
  50.         }
  51.         else 
  52.             break; 
  53.     }
  54.     return 0;
  55. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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hello world
hello||world
q
stdout
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0
prompt> Commands:hello world
	
1
prompt> Commands:hello
	world
	
2
prompt>
https://ideone.com/JQjU1T
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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