filesep for window '\', which may cause sprintf doesn't work for some '\%d' string, how can i avoid ?

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Huang Chi-En
Huang Chi-En 2020-7-2
回答： Robert U 2020-7-2
str = " \num_%d " ;
result = sprintf(str, 1) ;
the above example can not output : " \num_1 " normally.
When I use the filesep global var of matlab in window, ' \ ' will come out, which cause the sprintf dosen't work.
How can I avoid the above situation without changing the function of sprintf ?

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回答（1 个）

Robert U
Robert U 2020-7-2
Hi Huang Chi-En,
please refer to sprintf-documentation; special characters might need different syntax. Since backslash is an escape character, you would have to use "\\" instead:
str = " \\num_%d ";
result = sprintf(str, 1);
Kind regards,
Robert

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