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Re: Read a file [message #74687 is a reply to message #71186]

Fri, 28 January 2011 07:26

penteado
Messages: 866
Registered: February 2018

Senior Member
Administrator

On Jan 28, 12:50 pm, Giovanna <giovanna01.san...@gmail.com> wrote:
> Hello,
>
> Me again....
>
> I'm trying read two files and to save in other file. See my code:http://pastebin.com/GRmNtags
>
> I run a command restore, to restore the file .sav and .cnj.... and
> then saved in 'data.dat' using 'printF'
>
> Is this correct what I did in rows 16 to 23??

Semantically, the code is correct, assuming that you have a structure
named modelo with a field name imag, and a structure named conjugado
with a field name imag. It is up to you to say if that is correct in
the sense of producing the file you wanted.

Though I do not see why do

modelo.imag=[MODELO.imag]
conjugado.imag=[CONJUGADO.imag]

Which does not change these variables.

However, there is an oddity coming before those lines: You first read
file.sav as a text file, into a string array. Then you restore it
(that is, read it as an IDL savefile). If it is a text file, the
restore will fail. And if it is a savefile, the read into a string
array, done that way, will probably read some (maybe all) of the file,
but the contents of the string array will be the bytes of the (binary)
savefile, interpreted as characters, which is going to be hard to make
sense of.

Also, you open file2.cnj, and never close it (never even use it). And,
as mentioned before, closing the unit opened with /get_lun to openw
does not release the unit number back into the pool (which a free_lun
would do).

The main question to me is: what do you want to be in the file you are
creating? To say it another way: what should the file look like?

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[Message index]

		read a file written in fortran By: Thibault Garel on Mon, 07 June 2010 12:27
		Re: read a file written in fortran By: Thibault Garel on Wed, 09 June 2010 05:17
		Re: read a file written in fortran By: Paul Van Delst[1] on Tue, 08 June 2010 16:33
		Re: Read a file By: penteado on Fri, 28 January 2011 13:14
		Re: Read a file By: Giovanna on Mon, 31 January 2011 03:02
		Re: Read a file By: Giovanna on Fri, 28 January 2011 08:17
		Re: Read a file By: penteado on Fri, 28 January 2011 07:26

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