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Re: Importing data with comma as decimal separator
*To*: mathgroup at smc.vnet.net
*Subject*: [mg98148] Re: Importing data with comma as decimal separator
*From*: annetts729 <davidannetts at aapt.net.au>
*Date*: Tue, 31 Mar 2009 04:20:08 -0500 (EST)
*References*: <gqq3sb$7mt$1@smc.vnet.net>
Hi Dom,
> I would like to import two-column numerical data in which comma is
> used as decimal separator. The first 12 lines of the file is header,
> followed by two tab-separated columns of numbers.
> How I can do this in Mathematica 6.0?
> Thanks.
You can use Import. Something like the following sequence might work
for you.
idata = Import["Test.txt", "Table"]; (* import all the data as strings
-- the default for *.txt *)
sdata = Select[idata, UnsameQ[#[[1]], "#"] &] (* drop all header
lines -- sdata = Drop[idata, {1, 12}] can also work *)
ddata = StringReplace[#, {"," -> "."}] & /@ sdata (* replace our
commas with decimal points *)
ddata = Map[ToExpression, ddata] (* ... and convert everything to
expressions -- reals *)
Regards,
Dave.
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