#!/bin/bash
set -e
function helpexit() {
    echo Delete files in background, by moving the to a temp folder first.
    echo This command is always recursive!
    echo ' passing -i will ask first'
    exit
}

[[ -z "$1" ]] && helpexit
[[ "$1" = "-h" ]] && helpexit


CONFIRM=0
for k in "$@"; do
  if [[ "$k" = "-i" ]]; then
    CONFIRM=1
  fi
done

tempfolders=()
for f in "$@"; do
    if [[ ! -e "$f" ]]; then
        if [[ "$f" = "-i" ]]; then continue; fi
        echo "$f" does not exist
        continue
    fi
    d=$( abs-path $( dirname "$f" ) )/.rm_bg.$$
    if [[ $CONFIRM -eq 1 ]]; then
      echo "Delete '$f'?"
      read -r -p "Are you sure? [y/N] " response
      case "$response" in
        [yY][eE][sS]|[yY])
            true
            ;;
        *)
            continue
            ;;
      esac
    fi

    mkdir -p "$d"
    mv "$f" "$d"/
    tempfolders+=( "$d" )
done

(
for (( i=0; $i<${#tempfolders[@]}; i++ )); do
    rm -rf "${tempfolders[$i]}"
done
) &