I'm using a file with a huge number of SET for variables. After certain line, those set are not working. It seems there's a limit for the number of variables, is that correct? Is there any way I can avoid that limitation?
Thank you.
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1I suppose this will depends on the amount of RAM you have... – npocmaka May 05 '16 at 15:42
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I'll check it, thank you! – Raúl García May 05 '16 at 15:55
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I would suggest reasoning on your code; the limits for vars are broad enough, there should be some way to enhance your code to use less then max allowed – Drako May 06 '16 at 06:12
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It's not about variables actually, we're doing a kind of .properties file – Raúl García May 06 '16 at 06:26
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There are two (2) limits at work here. The first is the limit on a single variable imposed by the maximum length of a cmd.exe command line. The second is the total size of the environment which, on most current systems, is about 32 KiB. See https://blogs.msdn.microsoft.com/oldnewthing/20100203-00/?p=15083 for more details.
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1The overall 32 KiB limit was true up to Windows XP I think, but it does *no longer* apply since Windows Vista! the length of a command line and therefore also the length of a variable value is limited to 8 KiB since Windows XP, and it was 2 KiB in former Windows versions... – aschipfl May 05 '16 at 16:54
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2There is no 32 KiB limit on Windows XP as it can be read on [Command shell overview](https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/ntcmds_shelloverview.mspx?mfr=true). This article for Windows XP contains on __note__ at bottom: `The maximum individual environment variable size is 8192 bytes.` and `The maximum total environment variable size for all variables, which includes variable names and the equal sign, is 65,536 KB.` So the memory limit for all environment variables is 64 MiB (= 65536 KiB). I suppose Raúl García exceeds this limit. – Mofi May 05 '16 at 20:38
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See also [Maximum Length of Command Line String](http://stackoverflow.com/questions/3205027/). – Mofi May 05 '16 at 20:40