int main( void )
{
while(1){
commandPrompt();
}
}
int main(){
//Signal handling:
signal(SIGINT, signalHandler);
char** argv;
int numOfArgs = 0;
std::vector<std::string> cmdHistory = {};
std::string command = "";
std::chrono::duration<double> totalTimeInChildProcesses(0);
char ptime[] = "ptime";
char carat[] = "^";
char pwd[] = "pwd";
char history[] = "history";
char cd[] = "cd";
while ((command=commandPrompt()) != "exit"){
//Try if there are things in the command.
try{
checkIfBlank(command);
//Store every Command.
storeCommand(cmdHistory, command);
//Parse the commands
numOfArgs = parseCommand(command, argv);
if (strcmp(carat, argv[0]) == 0){
if (numOfArgs == 3){
runNthCmdInHistory(cmdHistory, argv, command);
}else{
std::string error = "Error: incorrect number of arguments for '^ <history item>'.";
throw error;
}
}
if (strcmp(ptime, argv[0]) == 0){
std::cout<<"Time spent executing child processes: " << totalTimeInChildProcesses.count() <<"seconds\n";
}else if (strcmp(history, argv[0]) == 0){
listHistory(cmdHistory);
}else if(strcmp(cd, argv[0]) == 0){
if (numOfArgs == 3){
changeDir(argv);
}else{
std::string error = "Error: incorrect number of arguments for 'cd <directory>'.";
throw error;
}
}else if(strcmp(pwd, argv[0]) == 0){
std::cout<<get_current_dir_name()<<std::endl;
}else if(isPipeCmd(command)){
pipe(command, totalTimeInChildProcesses);
}else{
runAndTimeChildProcess(argv[0], argv, totalTimeInChildProcesses);
}
}catch(std::string e){
std::cout<<e<<std::endl;
}
}
return 0;
}
