how to save as txt file in this format please

hello please how to save this file aa.jpg
as text file in this format
2004.08.19,00:00,100.00,104.06,95.96,100.34,22351900,
2004.08.20,00:00,101.01,109.08,100.50,108.31,11428600,
2004.08.23,00:00,110.75,113.48,109.05,109.40,9137200,
2004.08.24,00:00,111.24,111.60,103.57,104.87,7631300,
2004.08.25,00:00,104.96,108.00,103.88,106.00,4598900,
2004.08.26,00:00,104.95,107.95,104.66,107.91,3551000,

thanks in advance

thanks alot