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Article #337: Batch File Compare - Automate Routine Jobs

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Anatomy of a Batch File. A batch file loading a part of program into upper
contains a sequence of commands for a memory/expandable memory thus freeing up
computer OS. Batch files are called so conventional memory for utilities to run.
due to their ability to batch or bundle Practice ground for juvenile virus
commands together in a single file which writers. Batch files have become a script
otherwise would have to be executed kiddie favorite due to their simple
individually. Batch files are typically syntax and low amount of programming
created for command sequences for which knowledge required. Laughed upon by the
the user may have repeated needs. Common advanced virus writers for their
uses of batch files are for deleting a simplicity, batch file virus can cause
series of files, running utilities and massive damage very rapidly. Fortunately
moving files. Once a batch file is batch file viruses don't spread unless
executed it's read by a shell program copied into another computer.
which executes it line by line. A batch Batch File Comparing. File Comparing is
file is something similar to a shell the automated comparing of files or
script in UNIX like OS's .Batch files are folders which are there in a file system.
intelligent enough to make decisions and The commonly used file comparing programs
performs operations only if a certain are diff and cmf. Dff files displays the
conditions exist or don't exist. Certain changes made per line and nowadays they
batch files are known to execute commands have developed to include binary files.
that are not available under DOS. File comparison tools works by finding
The commonly used batch file is the Longest Common Sub Sequence
AUTOEXE.bat which is a simple boot file (LCS).What LCS essentially does is it
which loads every time MS DOS starts and tries to find a new sequence from two
contains a list of commands used to run sets of items such a way that the new
programs on MS DOS. The most apt sequence can be obtained by deleting
comparison would be with a desktop certain items from the two older sets.
shortcut in windows which runs programs. Certain other programs use the Longest
Though out dated, batch files are still Increasing sub sequence to differentiate
used by system administrators to automate between two files. File comparing
routine processes. Even though batch softwares like Active file compare, Win
files support basic program flow commands Merge and Meld allows comparing, merging
such as IF and GOTO they are un-suited and synchronizing files. Active File
for general purpose programming. With a compare has a built in File manager
single command batch files can launch a whereby you can compare two folders, copy
program in the desired configuration as files or load files for further work.
well as start an associated program such WinMerge has a flexible editor with
as a word processor to start once the syntax highlighting, line numbers and
main program is running. Sophisticated word wrap.
batch files exists which are capable of






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