34 lines
939 B
C++
34 lines
939 B
C++
#include <string>
|
|
#include <fstream>
|
|
#include <iostream>
|
|
|
|
int main( ) {
|
|
std::cout << "Which file do you want to look at ?\n" ;
|
|
std::string input ;
|
|
std::getline( std::cin , input ) ;
|
|
std::ifstream infile( input.c_str( ) , std::ios::in ) ;
|
|
std::string file( input ) ;
|
|
std::cout << "Which file line do you want to see ? ( Give a number > 0 ) ?\n" ;
|
|
std::getline( std::cin , input ) ;
|
|
int linenumber = std::stoi( input ) ;
|
|
int lines_read = 0 ;
|
|
std::string line ;
|
|
if ( infile.is_open( ) ) {
|
|
while ( infile ) {
|
|
getline( infile , line ) ;
|
|
lines_read++ ;
|
|
if ( lines_read == linenumber ) {
|
|
std::cout << line << std::endl ;
|
|
break ;
|
|
}
|
|
}
|
|
infile.close( ) ;
|
|
if ( lines_read < linenumber )
|
|
std::cout << "No " << linenumber << " lines in " << file << " !\n" ;
|
|
return 0 ;
|
|
}
|
|
else {
|
|
std::cerr << "Could not find file " << file << " !\n" ;
|
|
return 1 ;
|
|
}
|
|
}
|