Fundamental of Batch Scripts:

 

Executing multiple commands at command prompt in Windows:

Syntax:
command1 & command2

Example:
C:\ cd mydocs & dir *.doc


Conditional execution of chained commands:

1. command2 is executed only if command1 is executed successfully.

Syntax :
command1 && command2

Example:
dir *.doc && echo "Word Document Found"


2. command2 is executed only if command1 is not executed successfully.

Syntax:
command1 || command2

Example:
dir *.doc || copy d:\usefuldocs\*.doc


Grouping Command Chains:

Example:
(hostname & ver & vol) > info.txt

Above command will redirect all three command (hostname, ver, vol) output to info.txt. Grouping can also be used with conditional chained commands also, with a syntax like.
(command1 & command2) && (command3)

Warning:
If you do not enclose it using ( ) like in following example then only the last command (vol) output will be redirected to info.txt
hostname & ver & vol > info.txt 
 

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