nightmare3_fluffos_v2/
nightmare3_fluffos_v2/bin/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/ChangeLog.old/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/Win32/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/compat/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/compat/simuls/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/include/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/clone/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/command/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/data/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/etc/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/include/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/inherit/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/inherit/master/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/log/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/single/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/single/tests/compiler/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/single/tests/efuns/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/single/tests/operators/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/testsuite/u/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/tmp/
nightmare3_fluffos_v2/fluffos-2.9-ds2.08/windows/
nightmare3_fluffos_v2/lib/cmds/ambassador/
nightmare3_fluffos_v2/lib/cmds/database/
nightmare3_fluffos_v2/lib/cmds/hm/
nightmare3_fluffos_v2/lib/cmds/soul/
nightmare3_fluffos_v2/lib/daemon/cfg/
nightmare3_fluffos_v2/lib/daemon/cfg/mon_races/
nightmare3_fluffos_v2/lib/daemon/cfg/races/
nightmare3_fluffos_v2/lib/daemon/include/
nightmare3_fluffos_v2/lib/daemon/save/
nightmare3_fluffos_v2/lib/daemon/services/
nightmare3_fluffos_v2/lib/daemon/soul/
nightmare3_fluffos_v2/lib/doc/
nightmare3_fluffos_v2/lib/doc/TestPlans/
nightmare3_fluffos_v2/lib/doc/approval/
nightmare3_fluffos_v2/lib/doc/approval/QC/
nightmare3_fluffos_v2/lib/doc/approval/balance/
nightmare3_fluffos_v2/lib/doc/build/
nightmare3_fluffos_v2/lib/doc/build/armours/
nightmare3_fluffos_v2/lib/doc/build/economy/
nightmare3_fluffos_v2/lib/doc/build/etc/
nightmare3_fluffos_v2/lib/doc/build/monster/
nightmare3_fluffos_v2/lib/doc/build/room/
nightmare3_fluffos_v2/lib/doc/build/virtual/
nightmare3_fluffos_v2/lib/doc/build/weapon/
nightmare3_fluffos_v2/lib/doc/classes/
nightmare3_fluffos_v2/lib/doc/efun/
nightmare3_fluffos_v2/lib/doc/etc/
nightmare3_fluffos_v2/lib/doc/help/creator/
nightmare3_fluffos_v2/lib/doc/help/hm/
nightmare3_fluffos_v2/lib/doc/law/
nightmare3_fluffos_v2/lib/doc/lpc/basic/
nightmare3_fluffos_v2/lib/doc/lpc/data_types/
nightmare3_fluffos_v2/lib/doc/lpc/etc/
nightmare3_fluffos_v2/lib/doc/lpc/intermediate/
nightmare3_fluffos_v2/lib/doc/lpc/types/
nightmare3_fluffos_v2/lib/doc/mudlib/
nightmare3_fluffos_v2/lib/doc/mudlib/features/
nightmare3_fluffos_v2/lib/domains/Examples/etc/
nightmare3_fluffos_v2/lib/domains/Examples/room/
nightmare3_fluffos_v2/lib/domains/Examples/virtual/
nightmare3_fluffos_v2/lib/domains/Examples/virtual/exaA/
nightmare3_fluffos_v2/lib/domains/Examples/virtual/exaB/
nightmare3_fluffos_v2/lib/domains/Examples/weapon/
nightmare3_fluffos_v2/lib/domains/Praxis/
nightmare3_fluffos_v2/lib/domains/Praxis/adm/
nightmare3_fluffos_v2/lib/domains/Praxis/attic/
nightmare3_fluffos_v2/lib/domains/Praxis/cemetary/
nightmare3_fluffos_v2/lib/domains/Praxis/cemetary/mon/
nightmare3_fluffos_v2/lib/domains/Praxis/data/
nightmare3_fluffos_v2/lib/domains/Praxis/death/
nightmare3_fluffos_v2/lib/domains/Praxis/mountains/
nightmare3_fluffos_v2/lib/domains/Praxis/obj/armour/
nightmare3_fluffos_v2/lib/domains/Praxis/obj/magic/
nightmare3_fluffos_v2/lib/domains/Praxis/obj/weapon/
nightmare3_fluffos_v2/lib/domains/Praxis/orc_valley/
nightmare3_fluffos_v2/lib/domains/Praxis/quests/
nightmare3_fluffos_v2/lib/domains/Praxis/standardOld/
nightmare3_fluffos_v2/lib/include/
nightmare3_fluffos_v2/lib/log/
nightmare3_fluffos_v2/lib/log/errors/
nightmare3_fluffos_v2/lib/log/reports/
nightmare3_fluffos_v2/lib/log/watch/
nightmare3_fluffos_v2/lib/news/
nightmare3_fluffos_v2/lib/secure/cfg/
nightmare3_fluffos_v2/lib/secure/cmds/ambassador/
nightmare3_fluffos_v2/lib/secure/cmds/mortal/
nightmare3_fluffos_v2/lib/secure/save/users/d/
nightmare3_fluffos_v2/lib/secure/std/
nightmare3_fluffos_v2/lib/std/hm/
nightmare3_fluffos_v2/lib/std/living/
nightmare3_fluffos_v2/lib/std/room/
nightmare3_fluffos_v2/lib/std/user/
nightmare3_fluffos_v2/lib/std/virtual/
nightmare3_fluffos_v2/lib/www/
nightmare3_fluffos_v2/lib/www/errors/
nightmare3_fluffos_v2/lib/www/gateways/
nightmare3_fluffos_v2/win32/
/*
// /bin/dev/_diff.c
// Finds the difference between two files.
// This file is a part of the TMI distribution mudlib.
// Please retain this header if you use this code.
// Devised & Written by Douglas Reay (Pallando @ TMI, Ephemeral Dale, etc)
// Version 1.0  92-11-28
//
// Watcher@TMI (93-04-10) changed it so the output is put through the
//  user's more pager system, and made the headlines stand out a bit better.
// Pallando (93-05-28) Added this command to Nightmare's mudlib.
//                     Changed its name from "compare" to "diff"
*/

#include <std.h>

inherit DAEMON;

int sort( string mem, mixed arr )
{
  return -1 == member_array( mem, arr );
}

mixed get_lines( string file_name )
{
  string file;

  file_name = absolute_path( "cwd", file_name );
  switch( file_size( file_name ) ) 
  {
    case -2: { write( file_name + " is a directory.\n" ); return 0; }
    case -1: { write( file_name + " is not a file.\n" ); return 0; }
  }
  if( !master()-> valid_read( file_name,
    previous_object(), "diff" ) )
  {
    write( file_name + " : Permission denied.\n" );
    return 0;
  }
  file = read_file( file_name );
  if( !file ) 
  {
    write( file_name + " is empty.\n" );
    return 0;
  }
  return explode( file, "\n" );
}

int cmd_diff( string a )
{
  string output, file_name1, file_name2;
  string *lines1, *lines2;
  string *ONEnotTWO, *TWOnotONE;

  if( !a || 2 != sscanf( a, "%s %s", file_name1, file_name2 ) )
  {
    notify_fail( "Syntax: diff <file1> <file2>\n" ); 
    return 0;
  }
  lines1 = get_lines( file_name1 );
  lines2 = get_lines( file_name2 );
  if( !pointerp( lines1 ) || !pointerp( lines2 ) )
  {
    notify_fail( "No comparison made.\n" );
    return 0;
  }
  if( lines1 == lines2 )
  {
    write( file_name1 + " and " + file_name2 + " are the same file.\n" );
    return 1;
  }
  ONEnotTWO = filter_array( lines1, "sort", this_object(), lines2 );
  TWOnotONE = filter_array( lines2, "sort", this_object(), lines1 );
  if( ONEnotTWO == TWOnotONE )
  {
    write( file_name1 + " and " + file_name2 + " have the same lines.\n" );
    return 1;
  }
  output = "[In " + file_name1 + " but not in " + file_name2 + ":]\n" +
	   implode( ONEnotTWO, "\n" ) + "\n" +
	   "\n[In " + file_name2 + " but not in " + file_name1 + ":]\n" +
	   implode( TWOnotONE, "\n" ) + "\n";
 
   this_player()->more( explode(output, "\n") );
 
  return 1;
}

int help()
{
  write( ""+
"Syntax: diff <file1> <file2>\n"+
"Effect: Finds the differences between two files.\n"+
  "" );
  return 1;
}