Rename all files in directory from $filename_h to $filename_half?

Question

Dead simple.

How do I rename

05_h.png
06_h.png

to

05_half.png
06_half.png

At least, I think it\

Answer 1

Use the rename utility written in perl. Might be that it is not available by default though...

$ touch 0{5..6}_h.png

$ ls
05_h.png  06_h.png

$ rename 's/h/half/' *.png

$ ls
05_half.png  06_half.png