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Convert string containing number to number only

9 次查看（过去 30 天）
lafnath p
lafnath p 2016-10-26
评论： Walter Roberson 2016-10-26
i have 2 strings in a file in line 12 and 13.
line 12:'index_n=12'
line 13:'index_m=17'
i want to read file from start and get values as X=12 and Y=17
  2 个评论
Walter Roberson
Walter Roberson 2016-10-26
Please do not ask the same question multiple times! If you do not understand an answer or it does not work for you, reply there instead of starting a new Question on the same topic!

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回答（1 个）

KSSV
KSSV 2016-10-26
fid = fopen('textfile','rt') ;
S = textscan(fid,'%s','delimiter','\n') ;
fclose(fid) ;
S = S{1} ;
S has all the information of your text file. You can access your line 12 and 13 using S{12}, S{13}. And proceed according to your yesterdays question.

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