- To: mathgroup at smc.vnet.net
- Subject: [mg60388] Re: [mg60364] Batch
- From: "David Annetts" <davidannetts at aapt.net.au>
- Date: Thu, 15 Sep 2005 05:16:11 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
> I need to run a batch in Mathematica, so that I read data
> from several files and execute the calculations and generate
> the graphics.
> Then I read another group of data and perform the same
> calculation and that goes on until the data finish.
> I just manage to do this by putting all the calculation
> in a single cell, inside a Do. My cases are rather large, I
> am dealing with experimental data and I have to manipulate
> files with 1,000,000 points.
> I cannot just read all of them at once and start the calculus.
> My first go was to separate the calculations in notebooks
> and one nb called the next one. The first notebook called the
> following without a problem, but it did not evaluate it. I
> had to do it manually. And I have around 100 cases to
> analyse. I really need to automatize the procedure.
My suggestion is to save each notebook as a package (File->Save as
special->Package format). This will leave you with a series of files that
you can happily batch, either from your operating system, or through
For example, we can generate some files using
ount = OpenWrite[onam[[#]]];
ostr = "Print[\"Hi from file : \", ";
ostr = StringJoin[ostr, ToString[#], "];"];
) & /@ Range[Length@onam]
Then, under Windows, we can run them sequentially using the batch file
c:\Mathematica\5.0.1\math < File_0001.m
c:\Mathematica\5.0.1\math < File_0002.m
c:\Mathematica\5.0.1\math < File_0003.m
c:\Mathematica\5.0.1\math < File_0004.m
c:\Mathematica\5.0.1\math < File_0005.m
You will probably have to change the path to math.exe. Note that this is
not the front end, nor even the kernel, but a text-mode front end.
It is also worth noting that we can use Mathematica to run the batch process
using the following code
ifil = FileNames["*.m"]
Print["Working on file : ", ifil[[#]]];
) & /@ Range[Length@ifil]
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