How can I add a line in the text file??

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MU SONG LEE
MU SONG LEE 2017-9-6
回答： Amy 2017-9-8
I want put a line in my text file.
for example) i have test.txt file.
that's contents
"a b c d e f "
then, I want to add "g h i" under the "d e f"
how can i do this?
my english is not good. sorry

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回答（1 个）

Amy
Amy 2017-9-8
You want to use the fprintf function. See the documentation for it here: https://www.mathworks.com/help/matlab/ref/fprintf.html
The documentation contains information on how to format your output using formatSpec. In your case, you can specify the field width to ensure 'g h i' lines up with 'd e f'. A new line is a special character represented by '\n'. You might also find the example Write Tabular Data to Text File helpful.

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