Generate Files with Random Content and Size in Bash

no_of_files=10; counter=1; while [[ $counter -le $no_of_files ]]; do echo Creating file no $counter; dd bs=1024 count=$RANDOM skip=$RANDOM if=/dev/sda of=random-file.$counter; let "counter += 1"; done
Create a bunch of random files with random binary content. Basically dd dumps randomly from your hard disk to files random-file*.
Sample Output
random-file.5
random-file.6
random-file.7
random-file.8
random-file.9

0
2009-07-31 16:34:47

What Others Think

unbelievably useful
linuxrawkstar · 480 weeks and 4 days ago
Try having to test NAS Dedupes / file compression etc, when your not permitted to use production data. It then becomes truly ubelievably useful then ;)
rajaseelan · 480 weeks and 4 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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