format_fat32_all_devs.sh

gistfile1.txt

#!/bin/bash

[ "${USER}" != "root" ] && echo "Rode como root"; exit 2

for dev in $(find /dev/ -maxdepth 1 -name "sd*1" ! -name "*sda1"); do
  mkfs.fat -F32 -v -I "$dev" &
done

wait # Expects all jobs finished second plan.

for dev in $(find /dev/ -maxdepth 1 -name "sd*1" ! -name "*sda1"); do
  mount_point="/media/samir/$(uuidgen)"
  mkdir -p "$mount_point" && mount -ouser,umask=0000 "$dev" "$mount_point" &
done

wait

( speaker-test -t sine -f 1000 > /dev/null 2>&1 )& pid=$! ; sleep 0.3s ; kill -9 $pid