rm_replacement.sh

#!/bin/bash
#
### rm replacement, moves files to trash dir
#
# Add alias rm="/path/to/script/rm_replacement.sh" to .bashrc or alike
#
# Based on a script found on the interwebz, cant find the source anymore

### Settings
trash="$HOME/.trash/"

OPTIND=1
force=""
rmFlags=""
mvFlags=""

### Main
while getopts ":frRvh" args; do
  case "$args" in
    f)
      force=1 ;;
    r|R)
      rmFlags="$rmFlags -r" ;;
    v)
      rmFlags="$rmFlags -v"
      mvFlags="$mvFlags -v" ;;
    h)
      echo "You are running a replacement for rm called by an alias"
      echo "Usage rm [options] file1 file2 ..."
      echo ""
      echo "Moves files and directories to $trash"
      echo ""
      echo "Flags:"
      echo " -v           verbose mode"
      echo " -f           force processing with /bin/rm"
      echo " -r, -R       runs /bin/rm in recursive mode"
      echo " -h           this help message"
      echo ""
      exit 0 ;;
    \?)
      echo "Invalid argument: -$OPTARG" >&2
      exit 1 ;;
  esac
done

shift $((OPTIND-1))

for file in "$@"; do
  if [[ $force -eq 1 ]]; then
    /bin/rm -f $rmFlags "$file"
  else
    if [[ -e "$file" ]]; then
      if [[ -e "$trash$(basename $file)" ]]; then
        version=2
        while [[ -e "$trash$(basename $file)_$version" ]]; do
          let version=$version+1
        done
        mv $mvFlags "$trash$(basename $file)" "$trash$(basename $file)_$version"
      fi
        mv $mvFlags "$file" "$trash"
    fi
  fi
done