How to return to a pormpt-input line and continue from there a sequence of functions, for multiple time?

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Ali Y.
Ali Y. 2015-7-25
评论： Ali Y. 2015-7-25
I have a huge matrix like [800k 6]. I have written a script that load the data and extract some part of that. The script are composed of several functions and some prompt-input lines. Since the input data is large; I want to import the data in the first place and then return (go back) to a certain line in the script to do same process and extract the next output data-set. I tried the combination of 'return' and 'switch' but since Matlab's help about 'return' was not helpful, at least for me, I couldn't find my way. My code is like
fun 1 % importing data
fun 2
pormpt-input 1 % asking question about which data should be extracted
fun 3
fun 4
fun 5 % writing extracted data to a file
prompt-input 2 % asking question about continuing the extraction
In the above script I want to go back to the line pormpt-input 1 and continue it to the end of the code, for multiple time.
Could some one help me to go through this problem? Thank you.

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采纳的回答

Walter Roberson
Walter Roberson 2015-7-25
fun 1 % importing data
fun 2
should_continue = true;
while should_continue
prompt-input 1 % asking question about which data should be extracted
fun 3
fun 4
fun 5 % writing extracted data to a file
prompt-input 2 % asking question about continuing the extraction
should_continue = strcmpi(Input2, 'Y');
end

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