how to create a . dat file?

I am a beginner for Matlab I want to run multiple images and find psnr,mse, and accuracy and so on.

I don't know how to run images in one time.

help me for code

how to create data file for multiple images.

[Walter Roberson]

http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

[tashu Dabariya]

thnk u Sir.