For and set parameters learning notes

Batch tips,

1. for/f parameter usage:
   1.1 "delims=*" equals the left and right spaces are meaningful.
   1.2 option's default parameter is "delims=", so the default parameter case, read a line of parameters encountered a space is not read. To finish reading the whole line, we can make the delims argument the last character.

   
   

2. Summary of SET parameters:
   2.1 Set i= "ABC" assigns a string to I. Such as:
   Set i= "ABC"
   Echo%i%
   If%i%== "abc" (Echo equal to ABC) else (echo don t equal to ABC)
   
   2.2 set/a i=123 assigning numbers to I
   
   2.3 set/p i= Please enter a value for I, the default input is a number, if you want to use the string, I need to call the variable when I want to add "", such as:
   
   3.3 set/p I=please told me your options:
   
   Echo%i%
   
   If "%i%" = = "A" (Goto Addpatch) Else (goto Installpatch)
   
   : Addpatch
   echo Add patch
   Goto:eof
   
   : Installpatch
   echo Install patch
   Goto:eof

For and set parameters learning notes