How to work on fprintf in fopen?

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Radhika
Radhika 2013-12-23
评论： Wayne King 2013-12-23
Hi team,
I am using following code
[ftxt,msg] = fopen([textpath keyword '_summary.txt' ],'w');
fprintf(ftxt, 'Summary sheet of %12s\n\n', TR);
and i am getting error as
Error using fprintf
Invalid file identifier. Use fopen to generate a valid file identifier.
Please help me solving this problem.

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回答（1 个）

Wayne King
Wayne King 2013-12-23
What is msg? That is the system-dependent error message returned by fopen. I'm assuming the value of txt is -1 meaning the fopen() operation did not work.
  2 个评论
Wayne King
Wayne King 2013-12-23
I'm afraid you need to provide us with more information than you have given. Are we supposed to know what textpath is or keyword?

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