Test read/write speed of SD/microSD/USB/SSD/HDD.

Bash script for Mac OS X and Linux to test SD/microSD card or SSD/HDD/USB drive read and write speed.

Usage:

$ bash sd_card_speed_test.sh <path to directory which should be tested>

IE: /Volumes/Untitled and not /dev/disk2

Note: administrator password is necessary for sudo to reset file system cache. Read speed result is incorrect without cache reset.

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