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09.21.2007 at 07:10AM PDT, ID: 22844143
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6.6

Batch script maxing-out 32-bit number limitation

Asked by ZabagaR in Windows Batch Scripting, MS DOS, Windows Programming

Tags: , , ,

I have a batch script that is supposed to examine the size of a file, examine the free space on my c:\ disk, then figure out how many copies it can keep archived without a drive space problem.

My problem is when I do a "set /a" (below it's set /a fre=%byte%*%mult%) the resulting number is too large and causes the message, "Invalid number. Numbers are limited to 32-bits of precision".

Below is my script.  How can I make this work?

@echo off
set mult=10
for /f "TOKENS=1" %%D IN ('c:\s.bat c:\archives\*.tgz') DO SET byte=%%D
echo %byte%
:repeat
set /a fre=%byte%*%mult%
echo %fre%
freedisk /d c: %fre%* | find "SUCCESS:"
if errorlevel==1 goto nf
rem set variable here for age in robocopy to 30
set age=30
if mult NEQ 10 set age=%mult%
goto end
:nf
echo NOT ENOUGH SPACE
if %mult% EQU 1 goto end
rem above, have it skip entire archive process if no room
set /a mult=%mult%-1
goto repeat
:end
echo over %age% days will be pruned.Start Free Trial
 
Keywords: Batch script maxing-out 32-bit num…
Title
1 Batch File
2 Help with a small batch file
3 Batch file,  For / If statements
4 Edit of a batch script help please...
5 ntbackup batch script problem
6 batch errorlevel problem
 
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[+][-]09.21.2007 at 07:54AM PDT, ID: 19936089

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[+][-]09.21.2007 at 10:19AM PDT, ID: 19937355

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[+][-]09.21.2007 at 10:42AM PDT, ID: 19937545

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About this solution

Zones: Windows Batch Scripting, MS DOS, Windows Programming
Tags: batch, script, numbers, limited
Sign Up Now!
Solution Provided By: pjasnos
Participating Experts: 4
Solution Grade: A
 
 
[+][-]09.21.2007 at 11:08AM PDT, ID: 19937762

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[+][-]09.21.2007 at 11:23AM PDT, ID: 19937858

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[+][-]09.21.2007 at 11:24AM PDT, ID: 19937869

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[+][-]09.21.2007 at 11:27AM PDT, ID: 19937895

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[+][-]09.22.2007 at 03:21AM PDT, ID: 19941107

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[+][-]09.23.2007 at 04:44PM PDT, ID: 19945707

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[+][-]09.23.2007 at 08:00PM PDT, ID: 19946347

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[+][-]09.24.2007 at 06:46AM PDT, ID: 19948399

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[+][-]09.24.2007 at 11:40AM PDT, ID: 19950584

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