How to extract the dat from the txt file?

Dear all,

I want to extract the data from this txt file (single row txt file )：

• TOF(0.0055171 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)
• TOF(0.00551713 usec)
• TOF(0.0055171 usec)
• TOF(0.0055171 usec)
• TOF(0.00551713 usec)
• TOF(0.00551709 usec)
• TOF(0.00551709 usec)
• TOF(0.00551711 usec)
• TOF(0.00551712 usec)
• TOF(0.00551709 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)
• TOF(0.00551713 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)
• TOF(0.00551709 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)
• TOF(0.00551709 usec)
• TOF(0.00551712 usec)
• TOF(0.0055171 usec)
• TOF(0.0055171 usec)
• TOF(0.00551712 usec)
• TOF(0.00551712 usec)

would you please give me some tips?

Answer 1

[Pratik Bajaria]

Hello,

Please go through the following link and its associated functions.

http://www.mathworks.in/help/matlab/ref/fscanf.html

Please let me know in case of any doubts, hope it helps.

Regards, Pratik

[Pengju]

Dear Pratik,

Thanks a lot.

My code is: fileID = fopen('y_position_100eV_90degree_45degree.txt','r'); formatSpec = '%f'; A = fscanf(fileID,formatSpec) fclose(fileID);

where my txt file likes:

• Y(21.0661 mm)
• Y(21.7606 mm)
• Y(23.0579 mm)
• Y(23.6222 mm)
• Y(23.1708 mm)
• Y(23.3017 mm)
• Y(21.0909 mm)
• Y(23.4532 mm)
• Y(24.1168 mm)
• Y(24.1302 mm)
• Y(24.9046 mm)
• Y(21.8422 mm)
• Y(22.1112 mm)
• Y(23.0313 mm)
• Y(23.6408 mm)
• Y(24.3241 mm)
• Y(23.2169 mm)
• Y(24.481 mm)
• Y(22.5371 mm)
• Y(21.6923 mm)
• Y(21.4646 mm)
• Y(24.2505 mm)
• Y(22.105 mm)
• Y(22.713 mm)
• Y(22.1005 mm)
• Y(22.7714 mm)
• Y(22.8956 mm)
• Y(22.2155 mm)
• Y(20.9683 mm)
• Y(21.0251 mm)
• Y(22.2097 mm)
• Y(21.5413 mm)
• Y(24.241 mm)
• Y(24.2756 mm)
• Y(23.529 mm)
• Y(22.9066 mm)
• Y(21.5241 mm)
• Y(24.5771 mm)
• Y(21.0303 mm)
• Y(21.9809 mm)
• Y(24.7471 mm)
• Y(23.5962 mm)

but, the array A=[]...........