Problem 242. Make a function that returns its own character count

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Solution 27384

Submitted on 3 Feb 2012

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3 Comments

3 Comments

Alfonso Nieto-Castanon on 3 Feb 2012

this is strange... this works on my computer (win64 running matlab7.7) but not on the servers, perhaps is some different behavior of histc in the newer version? (and why not use 'hist' or 'accumarray' instead?)

Ned Gulley on 3 Feb 2012

Just using inspection, I see a space in your function (between "function" and "x9") whereas your code predicts no spaces.

Alfonso Nieto-Castanon on 3 Feb 2012

thanks for the help! it seems in my version textscan(fid,'%c','CommentStyle','%','Whitespace','') removes the spaces from the resulting string...

Test Suite

Test	Status	Code Input and Output
1	Fail	fname = 'omphaloskeptic.m'; fid = fopen(fname); file = textscan(fid,'%c', ... 'CommentStyle','%', ... 'Whitespace',''); fclose(fid); ha = histc(file{1},1:128); hp = omphaloskeptic; assert(~any(ismember(33:41,find(ha))),'Used an illegal character'); assert(isequal(ha,hp),'Actual characters did not match prediction'); Error: Actual characters did not match prediction

Test

Status

Code Input and Output

Fail

fname = 'omphaloskeptic.m'; fid = fopen(fname); file = textscan(fid,'%c', ... 'CommentStyle','%', ... 'Whitespace',''); fclose(fid); ha = histc(file{1},1:128); hp = omphaloskeptic; assert(~any(ismember(33:41,find(ha))),'Used an illegal character'); assert(isequal(ha,hp),'Actual characters did not match prediction');

Error: Actual characters did not match prediction

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Problem 242. Make a function that returns its own character count

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Problem 242. Make a function that returns its own character count

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