/* Do not remove the headers from this file! see /USAGE for more info. */

//:COMMAND
//USAGE: tail <file(s)>
//       tail -n<number> <files>
//
// Prints out the last few lines of a file.
//Optional -n flag for number of lines to display (default 10).

#include <mudlib.h>
inherit CMD;

string tail(string file_contents, int n)
{
    if ( !file_contents )
	out("ERROR: file too large.\n");
    else
	out(implode(explode(file_contents, "\n")[<n..],"\n"));
}

private void main(mixed *arg, mapping flags, string stdin)
{
    int i;
    int n = 10;

    if ( flags["n"] )
	n = to_int(flags["n"]) || 10;
    if ( stdin )
    {
	tail(stdin, n);
	return;
    }
    for ( i = 0; i < sizeof(arg[0]); i++ )
    {
	tail(read_file(arg[0][i]), n);
    }
}