snow_mac
- Karma
- 1,047
- Created
- 15 years ago
About
# Keep the terminal awake by simulating a Shift+Up Arrow key press every 30 seconds
# Useful for preventing sleep during long tasks like downloads or builds
# Usage: coffee [-m minutes]
# -m minutes : run for specified number of minutes, then stop
# If no -m option is given, runs indefinitely
coffee() {
if [ -f ~/.bash_history ]; then
sed -i.bak '/^coffee/d' ~/.bash_history
fi
if [ -f ~/.zsh_history ]; then
sed -i.bak '/coffee/d' ~/.zsh_history
fi
history -d $(history 1 | awk '{print $1}') 2>/dev/null
local duration=0
if [[ "$1" == "-m" && -n "$2" ]]; then
duration=$(($2 * 60))
fi
local count=0
while true; do
# shift arrow key down
# osascript -e 'tell application "System Events" to key code 126 using {shift down}'
# F-13
osascript -e 'tell application "System Events" to key code 105'
sleep 30
count=$((count + 30))
if [[ $duration -gt 0 ]]; then
if [[ $count -ge $duration ]]; then
break
fi
fi
# Print elapsed time every 60 seconds
if (( count % 60 == 0 )); then
echo -ne "\r$((count/60)) minutes elapsed\n"
fi
done
}
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