Suppose that you want to calculate the space used by all the png files in current directory and all its subdirectories. From a terminal type:
find . -name '*.png' -exec du -ab {} \; | awk '{total+=$0}END{print total}'Suppose that you want to calculate the space used by all the png files in current directory and all its subdirectories. From a terminal type:
find . -name '*.png' -exec du -ab {} \; | awk '{total+=$0}END{print total}'