#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
void display_usage(void);
int line;
main( int argc, char *argv[] )
{
char buffer[256];
FILE *fp;
if( argc < 2 )
{
display_usage();
exit(1);
}
if (( fp = fopen( argv[1], "r" )) == NULL )
{
fprintf( stderr, "Error opening file, %s!", argv[1] );
exit(1);
}
line = 1;
while( fgets( buffer, 256, fp ) != NULL )
fprintf( stdout, "%4d:\t%s", line++, buffer );
fclose(fp);
return 0;
}
void display_usage(void)
{
fprintf(stderr, "\nProper Usage is: " );
fprintf(stderr, "\n\nLIST_IT filename.ext\n" );
{
getch();
}
}