Incredibly dangerous script to remove open inodes of deleted files

inode-remover.sh

#!/bin/bash

while [[ $(lsof -nP +L1 | wc -l) > 1 ]]
do
  pair=$(lsof -nP +L1 | tail -n 1 | awk '{print $2" " $4}')
  pid=$(echo $pair | awk '{print $1}') 
  fd=$(echo $pair | awk '{print $2}' | sed -e 's_[a-z]__g')
  file=$(mktemp)

  # Race condition check on first line of lsof output
  [[ ! "${pid}" =~ ^[0-9]*$ ]] && continue

  cat > ${file} << EOF
define hook-quit
    set confirm off
end
p close(${fd})
quit
EOF

  gdb -p ${pid} -x $file
  rm $file
done