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My program won\'t compile. the alignment is messed up from switching between tex

ID: 3772997 • Letter: M

Question

My program won't compile. the alignment is messed up from switching between text files from separate operating systems. (Ubuntu 14.04 and Windows 8.1). Could you please help me clean this up so I can compile the code? Thank you!

#include <iostream>
#include <cstring>
#include <fstream>
#include <string>
#include <cstdio>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>

using namespace std;

void parse(char List[][100], int &iLength);
void CMDS(char List[][100], int &iLength);
void run(char List[][100],int &iLength);
void COPY(string oldFname[][100], string newFname;)

//Pre: User enters a valid command for the input, the number of strings should
// up to 30, the number of characters in each string should be no more than 100
//Post: Parse and CMDS function returns and the valid command is executed.

// main funtion
int main()
{
// creates a 2 dimentional array of 30 columns and each column is 100 chars
// creates a Int that will be used to count the number of arrays
char List[30][100];
int iLength;
// do while loop to run program until user enters quit
do
{
// this is the funtion call to do the work, it passes the List and Length of arrays
parse(List, iLength);
CMDS(List, iLength);
if((strcmp(List[0], "quit") == 0) || (strcmp(List[0],"QUIT") == 0))
{
break;
}
}while (true);
return 0;
}
// starts the function
void parse(char List[][100],int &iLength)
{
// initializes variables that are going to be used in function
iLength = 0;
int i = 0;
char ch2= ' ';
char TempArray[100];
cout<<endl;
// give instructions to user, asks them to enter input
cout << "CMD:";
// do this while the input is not a new line
while(ch2 != ' ')
{
// if the character is whitespace then it gets next character and doesnt count it as part of array
if(isspace(ch2))
{
cin.get(ch2);
}
// iff the character is NOT whitespace then it will take character and add it to the TempArray, and get next character
while(!isspace(ch2))
{
TempArray[i] = ch2;
i++;
cin.get(ch2);
// if the next character is whitespace then it must be the end of a string, so we add the null to it,
// and strcpy it into the List of arrays, reset the TempArray[i] to [0] and increments the number for arrays
if (isspace(ch2))
{
TempArray[i] = '';
strcpy(List[iLength],TempArray);
i = 0;
iLength++;
}
}
}
}
void CMDS(char List[][100],int &iLength)
{
//if((strcmp(List[0], "RUN") == 0) && iLength < 2 )
if(((strcmp(List[0], "RUN") == 0) || (strcmp(List[0], "run") == 0)) && iLength < 2)
{
cout << "too few parameters for RUN cmd" << endl;
return;
}

//if((strcmp(List[0], "RUN") == 0) && iLength > 2 )
if(((strcmp(List[0], "RUN") == 0) || (strcmp(List[0], "run") == 0)) && iLength > 2)
{
cout << "too many parameters for RUN cmd" << endl;
return;
}

//if((strcmp(List[0], "RUN") == 0) && iLength == 2 )
if(((strcmp(List[0], "RUN") == 0) || (strcmp(List[0], "run") == 0)) && iLength == 2)
{
cout <<List[0]<<"ning "<< List[1] << endl;
run(List, iLength);
return;
}

//if((strcmp(List[0], "LIST") == 0) && iLength < 2)
if(((strcmp(List[0], "LIST") == 0) || (strcmp(List[0], "list") == 0)) && iLength < 2)
{
cout <<List[0]<<"ing the files in this directory." << endl;
return;
}

//if((strcmp(List[0], "LIST") == 0) && iLength > 2)
if(((strcmp(List[0], "LIST") == 0) || (strcmp(List[0], "list") == 0)) && iLength > 2)
{
cout << "too many parameters for LIST cmd" << endl;
return;
}

//if((strcmp(List[0], "LIST") == 0) && iLength == 2)
if(((strcmp(List[0], "LIST") == 0) || (strcmp(List[0], "list") == 0)) && iLength == 2)
{
cout <<List[0]<<"ing the files in "<< List[1] << endl;
return;
}

//if((strcmp(List[0], "COPY") == 0) && iLength < 3)
if(((strcmp(List[0], "COPY") == 0) || (strcmp(List[0], "copy") == 0)) && iLength < 3)
{
cout << "too few parameters for COPY cmd" << endl;
return;
}

//if((strcmp(List[0], "COPY") == 0) && iLength > 3)
if(((strcmp(List[0], "COPY") == 0) || (strcmp(List[0], "copy") == 0)) && iLength > 3)
{
cout << "too many parameters for COPY cmd" << endl;
return;
}

//if((strcmp(List[0], "COPY") == 0) && iLength == 3)
if(((strcmp(List[0], "COPY") == 0) || (strcmp(List[0], "copy") == 0)) && iLength == 3)
{
cout <<List[0]<<"ing "<< List[1] << " and creating " << List[2] << endl;
copy(List, iLength);
return;
}

if((strcmp(List[0], "HELP") == 0) || (strcmp(List[0],"help") == 0))
{
cout << "Valid Commands are :" << endl;
cout << " RUN filename" << endl;
cout << " LIST" << endl;
cout << " LIST directory" << endl;
cout << " COPY old-filename new-filename" << endl;
cout << " HELP" << endl;
cout << " QUIT" << endl;
return;
  
}
// this performs the string compare to quit or QUIT and exits if needed
if((strcmp(List[0], "quit") == 0) || (strcmp(List[0],"QUIT") == 0))
{
return;
}
// otherwise the command entered is not recognized.
else
{
cout << "Invalid command - "<< List[0] << " Command not recognized" << endl;
}
}


//initiate the run command
void run(char List[][100],int &iLength)
{
pid_t pid;
//Initiate a fork
pid = fork();
//Check if the pid is less than zero or not
if(pid < 0)
{
fprintf(stderr, "Fork Failed");
return;
}
//If pid is zero, then execute run
else if (pid==0)
{
execl(List[1], List[1], NULL);
}
else
{
wait(NULL);
}
//Return to the start
return;
}

//Initiate the copy command
void COPY(string oldFname, string newFname)
{ cout << "Copying " << oldFname << " to " << newFname <<endl;


//Converting a string to cstring
char *copyFile =(char*)oldFname.c_str();
char *pasteFile=(char*)newFname.c_str();

//Declaring the readers and writers
ifstream in;
ofstream out;
string input;
char c;

//Opening the file to read
in.open(copyFile);

//If condition if the open fails
if(in.fail())
{
cout<< "The system couldn't find the file"<<endl;

}
//If condition if the open is successful
else
{
ifstream outTest;
//Checking if the file already exist
outTest.open(pasteFile);
if(outTest.fail())
{
cout<< "Creating a new file"<<endl;
out.open(pasteFile);

//Copying from a oldfile to a newfile
while (!in.eof())
{
c=(char)in.get();
out.put(c);
}
out.close();
outTest.close();

}

else
// If the file being copied already exists, system asks user to overwrite
{
cout<<"The file is already there! Are you sure you want to overwrite it. Enter y to overwrite it."<<endl;
cin>>input;
cin.ignore(200,' ');

if(input.compare("y")==0)
{
out.open(pasteFile);
while (!in.eof())
{
c=(char)in.get();
out.put(c);
}
out.close();
outTest.close();
}
else
{
cout<<"The copy function is cancelled"<<endl;
}
}
//File close
in.close();

}

Explanation / Answer

#include <iostream>
#include <cstring>
#include <fstream>
#include <string>
#include <cstdio>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>

using namespace std;

void parse(char List[][100], int &iLength);
void CMDS(char List[][100], int &iLength);
void run(char List[][100],int &iLength);
void COPY(string oldFname[][100], string newFname;)

int main()

{
char List[30][100];
int iLength;
do
{
  
parse(List, iLength);
CMDS(List, iLength);
if((strcmp(List[0], "quit") == 0) || (strcmp(List[0],"QUIT") == 0))
{
break;
}
}

while (true);
return 0;
}

void parse(char List[][100],int &iLength)

{  
iLength = 0;
int i = 0;
char ch2= ' ';
char TempArray[100];
cout<<endl;
cout << "CMD:";
while(ch2 != ' ')
{  
if(isspace(ch2))
{
cin.get(ch2);
}

while(!isspace(ch2))
{
TempArray[i] = ch2;
i++;
cin.get(ch2);
{
TempArray[i] = '';
strcpy(List[iLength],TempArray);
i = 0;
iLength++;
}
}
}
}
void CMDS(char List[][100],int &iLength)
{

if(((strcmp(List[0], "RUN") == 0) || (strcmp(List[0], "run") == 0)) && iLength < 2)

{
cout << "too few parameters for RUN cmd" << endl;
return;
}

if(((strcmp(List[0], "RUN") == 0) || (strcmp(List[0], "run") == 0)) && iLength > 2)
{
cout << "too many parameters for RUN cmd" << endl;
return;
}

if(((strcmp(List[0], "RUN") == 0) || (strcmp(List[0], "run") == 0)) && iLength == 2)
{
cout <<List[0]<<"ning "<< List[1] << endl;
run(List, iLength);
return;
}

if(((strcmp(List[0], "LIST") == 0) || (strcmp(List[0], "list") == 0)) && iLength < 2)
{
cout <<List[0]<<"ing the files in this directory." << endl;
return;
}

if(((strcmp(List[0], "LIST") == 0) || (strcmp(List[0], "list") == 0)) && iLength > 2)
{
cout << "too many parameters for LIST cmd" << endl;
return;
}
if(((strcmp(List[0], "LIST") == 0) || (strcmp(List[0], "list") == 0)) && iLength == 2)
{
cout <<List[0]<<"ing the files in "<< List[1] << endl;
return;
}

if(((strcmp(List[0], "COPY") == 0) || (strcmp(List[0], "copy") == 0)) && iLength < 3)
{
cout << "too few parameters for COPY cmd" << endl;
return;
}

if(((strcmp(List[0], "COPY") == 0) || (strcmp(List[0], "copy") == 0)) && iLength > 3)
{
cout << "too many parameters for COPY cmd" << endl;
return;
}
if(((strcmp(List[0], "COPY") == 0) || (strcmp(List[0], "copy") == 0)) && iLength == 3)
{
cout <<List[0]<<"ing "<< List[1] << " and creating " << List[2] << endl;
copy(List, iLength);
return;
}

if((strcmp(List[0], "HELP") == 0) || (strcmp(List[0],"help") == 0))
{
cout << "Valid Commands are :" << endl;
cout << " RUN filename" << endl;
cout << " LIST" << endl;
cout << " LIST directory" << endl;
cout << " COPY old-filename new-filename" << endl;
cout << " HELP" << endl;
cout << " QUIT" << endl;
return;
  
}
  
if((strcmp(List[0], "quit") == 0) || (strcmp(List[0],"QUIT") == 0))
{
return;
}
  
else
{
cout << "Invalid command - "<< List[0] << " Command not recognized" << endl;
}
}

void run(char List[][100],int &iLength)
{
pid_t pid;
pid = fork();
if(pid < 0)
{
fprintf(stderr, "Fork Failed");
return;
}

else if (pid==0)
{
execl(List[1], List[1], NULL);
}
else
{
wait(NULL);
}

return;
}

void COPY(string oldFname, string newFname)
{

cout << "Copying " << oldFname << " to " << newFname <<endl;
char *copyFile =(char*)oldFname.c_str();
char *pasteFile=(char*)newFname.c_str();
ifstream in;
ofstream out;
string input;
char c;
in.open(copyFile);
if(in.fail())
{
cout<< "The system couldn't find the file"<<endl;

}

else
{
ifstream outTest;
outTest.open(pasteFile);
if(outTest.fail())
{
cout<< "Creating a new file"<<endl;
out.open(pasteFile);
while (!in.eof())
{
c=(char)in.get();
out.put(c);
}
out.close();
outTest.close();

}

else

{
cout<<"The file is already there! Are you sure you want to overwrite it. Enter y to overwrite it."<<endl;
cin>>input;
cin.ignore(200,' ');

if(input.compare("y")==0)
{
out.open(pasteFile);
while (!in.eof())
{
c=(char)in.get();
out.put(c);
}
out.close();
outTest.close();
}
else
{
cout<<"The copy function is cancelled"<<endl;
}
}
in.close();
}

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