Batch Programming Stuff
Includes batch files, batch how-to's, and batch utilities. (Terry Newton)
http://www.infionline.net/~wtnewton/batch/

Batch Scripting Site
Frank-Peter Schultze's Scripting Site.
http://www.fpschultze.de/batstuff.html

Batch File Tips and Utilities
Complete list of publications by M. A. Hoselton. More recent publications stored on magnetic media are available in their submitted, unedited manuscript form on-line.
http://www.flash.net/~hoselton/pubs/pub_list.htm

39585
When you use multiple IF ERRORLEVEL statements in batch files, the order in which the ERRORLEVELs are tested numerically is important. The correct order is descending (highest to lowest). This ordering is from the way ERRORLEVELs are tested. The IF...
http://support.microsoft.com/?kbid=39585

65994
You can use the IF EXIST statement to check for the presence of a directory. For example, to test for C:\WIN and then change to C:\WIN if it exists, use the following batch file: C: IF NOT EXIST C:\WIN\NUL GOTO NOWINDIR CD \WIN :NOWINDIR
http://support.microsoft.com/?kbid=65994

69576
The Microsoft MS-DOS "IF ERRORLEVEL <number>" statement checks for error levels of the given number or greater. If you want to check for a specific error level, you should use the following command construct IF ERRORLEVEL <N> IF NOT ERRORLEVEL <N+1>...
http://support.microsoft.com/?kbid=69576

Batch Programming Elements
Collection of batch language enhancers in batch language by Dirk van Deun.
http://student.vub.ac.be/~dvandeun/batcoll.all

Bela Electronic Designs
BELA Electronic Designs specialise in the design and manufacture of quality electronic products UK
http://www.bela.co.uk/

Batch and Third-Party Programs
Benny Pedersen gives examples of the use of SED in DOS batch files.
http://users.cybercity.dk/~bse26236/batutil/help/SED.HTM

Batch FAQ
Batchfiles FAQ by Leonardo Pignataro (aka Secret_Doom)
http://www.geocities.com/leopignataro86/batchfiles/