stupid bash tricks

calc.sh

#!/bin/bash

echo "$1" | bc -l

libffmpeg_dl.sh

#!/bin/bash
gh api /repos/nwjs-ffmpeg-prebuilt/nwjs-ffmpeg-prebuilt/releases/latest --method GET | jq -r '.assets[] | select(.name | contains("linux-x64")) | .browser_download_url' | wget -O libffmpeg.zip -i -

unzip libffmpeg.zip
rm libffmpeg.zip
 
sudo mv ./libffmpeg.so /usr/lib64/opera/libffmpeg.so

teatimer.sh

#!/bin/bash
mins=${1:-4}
secs=$(($mins * 60))
sleep $secs
/usr/bin/notify-send -i emblem-urgent "Tea's Done!" "your tea is gonna be bitter, just like you";