fprintf






% write/print formatted strings from cell array (to stdout fid=1)

C={'A1','A2','A3'}

C
  {'A1'}    {'A2'}    {'A3'}

fprintf(1,'%s\n',C{:})
  A1
  A2
  A3



% print to text file "sampleIDs.txt" (fid - file identifier)

fid = fopen('sampleIDs.txt','w');
  fprintf(fid,'%s\n',C{:})
fclose(fid);




% add leading zeros

x = [2, 4, 8, 16, 32, 64, 128]

fprintf(1,'Samples: %03d\n', x )    % print 3 digit numbers
Samples: 002
Samples: 004
Samples: 008
Samples: 016
Samples: 032
Samples: 064
Samples: 128