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passing filenames to a dos command

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Prashant Verma
Prashant Verma il 17 Ago 2023
Risposto: Star Strider il 17 Ago 2023
I would like to use an DOS executable command. The command requires file input and output names.
I cannot figure out how to pass the filenames (which are characters in the Matlab program).
For example the executable I want to run is "dcmdjpeg", so I have tried using
dos('.\dcmdjpeg FileIn FileOut'), but offcourse once I have the apostrophes DOS does not know what FileIn and FIleOut are.
Ive also tried
eval('!.\dcmdjpeg' FilNamIn FilNamOut);
Again this doesnt work.
  1 Commento
Prashant Verma
Prashant Verma il 17 Ago 2023
just to add a bit more info. If I try
status=dos(['.\dcmdjpeg ', FilNam1 FilNam2]);
then I get the error
$dcmtk: dcmdjpeg v3.6.0 2011-01-06 $
dcmdjpeg: Decode JPEG-compressed DICOM file
error: Missing parameter dcmfile-out

Accedi per commentare.

Risposte (2)

Kunal Kandhari
Kunal Kandhari il 17 Ago 2023
To pass the filenames to the dos command, you need to properly construct the command string to include the file names.
Here's how you can do it:
% Replace these with your actual file names
FileIn = 'input_file_name';
FileOut = 'output_file_name';
command = sprintf('.\\dcmdjpeg %s %s', FileIn, FileOut);
output = dos(command);
Where "sprintf" is a string formatter, you can read more about it here: sprintf
Hope it helps!

Star Strider
Star Strider il 17 Ago 2023
See if the system function will do what you want.
Also, see Run External Commands, Scripts, and Programs for a more extensive discussion.

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