2019-10-05 14:02:23 +00:00
|
|
|
#!/bin/sh
|
|
|
|
|
# shellcheck disable=SC2016,SC2059
|
|
|
|
|
|
2020-03-23 23:52:33 +00:00
|
|
|
KEYBOARD_ID="AT Translated Set 2 keyboard"
|
2019-10-05 14:02:23 +00:00
|
|
|
# cpm: characters per minute
|
|
|
|
|
# wpm: words per minute (1 word = 5 characters)
|
|
|
|
|
METRIC=wpm
|
2019-10-11 13:39:15 +00:00
|
|
|
FORMAT=" %d $METRIC"
|
2019-10-05 14:02:23 +00:00
|
|
|
|
|
|
|
|
INTERVAL=2
|
|
|
|
|
|
|
|
|
|
# If you have a keyboard layout that is not listed here yet, create a condition
|
|
|
|
|
# yourself. $3 is the key index. Use `xinput test "AT Translated Set 2 keyboard"`
|
|
|
|
|
# to see key codes in real time. Be sure to open a pull request for your
|
|
|
|
|
# layout's condition!
|
|
|
|
|
LAYOUT=qwerty
|
|
|
|
|
|
|
|
|
|
case "$LAYOUT" in
|
|
|
|
|
qwerty) CONDITION='($3 >= 10 && $3 <= 19) || ($3 >= 24 && $3 <= 33) || ($3 >= 37 && $3 <= 53) || ($3 >= 52 && $3 <= 58)'; ;;
|
|
|
|
|
azerty) CONDITION='($3 >= 10 && $3 <= 19) || ($3 >= 24 && $3 <= 33) || ($3 >= 37 && $3 <= 54) || ($3 >= 52 && $3 <= 57)'; ;;
|
|
|
|
|
qwertz) CONDITION='($3 >= 10 && $3 <= 20) || ($3 >= 24 && $3 <= 34) || ($3 == 36) || ($3 >= 38 && $3 <= 48) || ($3 >= 52 && $3 <= 58)'; ;;
|
|
|
|
|
dontcare) CONDITION='1'; ;; # Just register all key presses, not only letters and numbers
|
|
|
|
|
*) echo "Unsupported layout \"$LAYOUT\""; exit 1; ;;
|
|
|
|
|
esac
|
|
|
|
|
|
|
|
|
|
# We have to account for the fact we're not listening a whole minute
|
|
|
|
|
multiply_by=60
|
|
|
|
|
divide_by=$INTERVAL
|
|
|
|
|
|
|
|
|
|
case "$METRIC" in
|
|
|
|
|
wpm) divide_by=$((divide_by * 5)); ;;
|
|
|
|
|
cpm) ;;
|
|
|
|
|
*) echo "Unsupported metric \"$METRIC\""; exit 1; ;;
|
|
|
|
|
esac
|
|
|
|
|
|
|
|
|
|
hackspeed_cache="$(mktemp -p '' hackspeed_cache.XXXXX)"
|
|
|
|
|
trap 'rm "$hackspeed_cache"' EXIT
|
|
|
|
|
|
|
|
|
|
# Write a dot to our cache for each key press
|
|
|
|
|
printf '' > "$hackspeed_cache"
|
|
|
|
|
xinput test "$KEYBOARD_ID" | \
|
|
|
|
|
stdbuf -o0 awk '$1 == "key" && $2 == "press" && ('"$CONDITION"') {printf "."}' >> "$hackspeed_cache" &
|
|
|
|
|
|
|
|
|
|
while true; do
|
|
|
|
|
# Ask the kernel how big the file is with the command `stat`. The number we
|
|
|
|
|
# get is the file size in bytes, which equals the amount of dots the file
|
|
|
|
|
# contains, and hence how much keys were pressed since the file was last
|
|
|
|
|
# cleared.
|
|
|
|
|
lines=$(stat --format %s "$hackspeed_cache")
|
|
|
|
|
|
|
|
|
|
# Truncate the cache file so that in the next iteration, we count only new
|
|
|
|
|
# keypresses
|
|
|
|
|
printf '' > "$hackspeed_cache"
|
|
|
|
|
|
|
|
|
|
# The shell only does integer operations, so make sure to first multiply and
|
|
|
|
|
# then divide
|
|
|
|
|
value=$((lines * multiply_by / divide_by))
|
|
|
|
|
|
|
|
|
|
printf "$FORMAT\\n" "$value"
|
|
|
|
|
|
|
|
|
|
sleep $INTERVAL
|
|
|
|
|
done
|
