Topic: Batch Variables
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Answers to Common Questions
How to test for an empty variable in batch?
The Answer is: if (%variable1%)==() blablabla...and so on take a look at the link i provide you for your shelf Source(s): http://www.allenware.com/icsw/icsw120.ht... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090112194030AAllCfG
How to set a registry entry as batch variable?
Question - why not check for the ProgramFiles(x86) environment variable? It only exists on 64 bit machines... So 1: 2: 3: 4: 5: If [%programfiles(x86)%]==[] ( Set OSBits=32 ) Else ( Set OSBits=64 ) Toggle HighlightingOpen in New WindowSele... Read More »
Source: http://www.experts-exchange.com/Programming/Languages/Scripting/S...
How to define number variables in windows batch files?
use set /a test=%test%+1 Read More »
Source: http://www.experts-exchange.com/Programming/Languages/Scripting/S...
More Common Questions
Answers to Other Common Questions
The "SET /P" syntax will not work in Windows 98 DOS version. The "COPY CON filename" is the only availeble solution in older DOS versions without additional software. The simplest way to provide the user input system would be to display som...
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Source: http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/MS...
You will have to enable delayed variable expansion, this will allow for evaluating the variables when they appear (enclosed in !), while %-Expansions takes place when batch is parsed. 1: 2: 3: 4: 5: 6: 7: 8: 9: 10: 11: 12: 13: 14: 15: 16: 1...
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Source: http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/MS...
i.e. @echo off REM Initialise numfile with first number to use if not exist numfile.txt echo 1234>numfile.txt REM Get number from numfile.txt set /p num=<numfile.txt set /a num=num + 1 echo The new number is ##%num%## echo %num% >numfile.tx...
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Source: http://www.experts-exchange.com/Programming/Languages/Scripting/S...
HI ramrom, the problem with your batch file is the space after the equal sign in the first line. Try this: set f=myfile.txt dir %f% xcopy c:\%f% d:\%f%
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Source: http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Wi...
Ah, since the code you showed earlier is actually inside a FOR loop, then you will need to use Delayed Expansion of environment variables. Change as follows: @echo Off setlocal EnableDelayedExpansion SET MyVar= for /F %%p in (hosts.txt) do...
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Source: http://www.experts-exchange.com/Programming/Languages/Scripting/S...
for /F "delims=" %a in ('dir /b /ad c:\jobs\test\products\') do echo "c:\jobs\test\products\%a"
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Source: http://www.experts-exchange.com/Q_24890892.htm
Yes, batch programming is much more powerful than most people think. Especially in Windows 2000, Windows XP and higher. You can use the SET command with the /P switch. Try this: @echo off set /p Name=Please enter your name: echo Thank you...
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Source: http://www.experts-exchange.com/Q_21881658.htm
