How could I write into the command prompt window of windows 7 with my matlab script?

5 次查看（过去 30 天）
Albert
Albert 2015-8-31
评论： Albert 2015-9-1
Hello,
I'm trying to write a line into my command prompt window of Windows 7 with a matlab script, it can open it well but I didn't find how to write in it and simulate 'enter'. Would anyone know how to do that? Thank you in advance!
Lance_filename = 'Script.txt';
Input_filename = 'filename.txt';
fid = fopen(Lance_filename,'w');
script=sprintf('App.exe %s',Input_filename);
fwrite(fid,script,'char');
fclose(fid);
!cmd
%!cmd < Script.txt
%system('cmd.exe &');

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采纳的回答

Albert
Albert 2015-8-31
ah yeah sure sorry:
Lance_filename = 'Script.txt';
Input_filename = 'filename.txt';
fid = fopen(Lance_filename,'w');
script=sprintf('App.exe %s',Input_filename);
fwrite(fid,script,'char');
fclose(fid);
system(sprintf('%s < "%s"', 'cmd.exe', Lance_filename));
  2 个评论
Walter Roberson
Walter Roberson 2015-8-31
I do not understand why you bother creating a file to use as input to cmd.exe when you could just system() the command directly. For example with what you have written you could use
system( sprintf('App.exe "%s"', Input_filename) );
and if it is waiting for any input to proceed you could
system( sprintf('App.exe "%s" < NUL:', Input_filename) );

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更多回答（2 个）

Walter Roberson
Walter Roberson 2015-8-31
You could use the Java Robot class, but you should probably instead use the technique I showed here
Albert
Albert 2015-8-31
编辑：Albert 2015-8-31
Thank you for your answer! The opening works but the written text is "Plusÿ?" instead of the string inside my 'Script.txt' file. How could I correct it?

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