commanding lines

cmd.sh

## history
# Quick  substitution. Repeat the last command, replacing string1 with string2. Equivalent to ``!!:s/string1/string2/'' (see Modifiers below).
^string1^string2^

# Swap usage
vmstat

# display in hex
echo 'test' | hd

# battery info
cat /sys/class/power_supply/BAT1/capacity
cat /sys/class/power_supply/BAT1/energy_now /sys/class/power_supply/BAT1/energy_full

# mongo
db.getCollection('processedpdfs').find({$text: {$search: 'pfg'}}).sort({'_id': -1})

# postgres
pg_restore backupfile | grep olduser | grep ALTER | sed 's/olduser/newuser/' | psql --dbname dbname

# Env vars from .env
while read line; do [[ $line != \#* ]] && [[ $line ]] && echo $line | sed 's/=/="/' | sed 's/$/"/' ;      done < <(cat .env) > .env.exported

heroku addons:open bonsai