diff --git a/bin b/bin
index 4a7ec9d..e3063de 100755
--- a/bin
+++ b/bin
@@ -26,243 +26,269 @@ force_flag=
 [ -z "$RS" ] && RS='\n'
 
 fail() {
-    echo "$@" 1>&2
-    exit 1
+	echo "$@" 1>&2
+	exit 1
 }
 
 show_usage() {
-    cat << EOU
-Usage: $progname [OPTION]... FILE...
+	cat <<-EOU
+	Usage: $progname [OPTION]... FILE...
 
-Move files into the trash bin.
+	Move files into the trash bin.
 
-Options:
-  -h, --help           show this help message and exit
-  -V, --version        show program's version number and exit
-  -v, --verbose        explain what is being done
-  -i, --interactive    prompt before moving every file
-  -f, --force          ignore non-existent files, never prompt
-  -r, -R, --recursive  ignored (for compatability with rm)
-  -u, --untrash        restore file(s) from the trash
-  -e, --empty          choose files to empty from the trash
-  -E, --empty-all      empty all the files in the trash folder(s) (default: ~)
-  -l, --list           list files in trash folder(s) (default: ~)
-  --                   Any arguments after '--' will be treated as filenames
-EOU
+	Options:
+	  -h, --help           show this help message and exit
+	  -V, --version        show program's version number and exit
+	  -v, --verbose        explain what is being done
+	  -i, --interactive    prompt before moving every file
+	  -f, --force          ignore non-existent files, never prompt
+	  -r, -R, --recursive  ignored (for compatability with rm)
+	  -u, --untrash        restore file(s) from the trash
+	  -e, --empty          choose files to empty from the trash
+	  -E, --empty-all      empty all the files in the trash folder(s) (default: ~)
+	  -l, --list           list files in trash folder(s) (default: ~)
+	  --                   Any arguments after '--' will be treated as filenames
+	EOU
 }
 
 find_trashfile() {
-    target0="$1"
-    target="$(readlink -f -- "$target0")"
-    td="$(get_trashdir "$target")"
-    if [ "$(dirname "$target")" = "$td/files" ] && [ -e "$target" ]; then
-        echo "$target"
-    else
-        best_file=
-        best_date=0
-        for f in "$td/files"/*; do
-            [ -e "$f" ] || continue
-            info="$td/info/$(basename "$f").trashinfo"
-            path="$(path_from_trashinfo "$info")"
-            date="$(date +"%s" -d "$(date_from_trashinfo "$info")")"
-            if [ "$path" = "$target" -a \( -z "$best_file" -o "$date" -gt "$best_date" \) ]; then
-                best_file="$f"
-                best_date="$date"
-            fi
-        done
-        [ -z "$best_file" ] && return 1
-        echo "$best_file"
-    fi
+	target0="$1"
+	target="$(readlink -f -- "$target0")"
+	td="$(get_trashdir "$target")"
+	if [ "$(dirname "$target")" = "$td/files" ] && [ -e "$target" ]; then
+		echo "$target"
+	else
+		best_file=
+		best_date=0
+		for f in "$td/files"/*; do
+			[ -e "$f" ] || continue
+			info="$td/info/$(basename "$f").trashinfo"
+			path="$(path_from_trashinfo "$info")"
+			date="$(date +"%s" -d "$(date_from_trashinfo "$info")")"
+			if [ "$path" = "$target" -a \( -z "$best_file" -o "$date" -gt "$best_date" \) ]; then
+				best_file="$f"
+				best_date="$date"
+			fi
+		done
+		[ -z "$best_file" ] && return 1
+		echo "$best_file"
+	fi
 }
 
 confirm() {
-    [ "$force_flag" = "-f" ] && return 0
-    if type ask >/dev/null; then
-        ask -n "$@"
-    else
-        # Get one character of input
-        tput civis >/dev/tty;
-        printf '\033[1m%s\033[0m' "$2" >/dev/tty;
-        stty -icanon -echo >/dev/tty 2>/dev/tty;
-        REPLY="$(dd bs=1 count=1 2>/dev/null </dev/tty)"
-        stty icanon echo >/dev/tty 2>/dev/tty
-        tput cvvis >/dev/tty
-        [ "$REPLY" = "y" ]
-    fi
+	[ "$force_flag" = "-f" ] && return 0
+	if type ask >/dev/null; then
+		ask -n "$@"
+	else
+		# Get one character of input
+		tput civis >/dev/tty;
+		printf '\033[1m%s\033[0m' "$2" >/dev/tty;
+		stty -icanon -echo >/dev/tty 2>/dev/tty;
+		REPLY="$(dd bs=1 count=1 2>/dev/null </dev/tty)"
+		stty icanon echo >/dev/tty 2>/dev/tty
+		tput cvvis >/dev/tty
+		[ "$REPLY" = "y" ]
+	fi
 }
 
 has_arg() {
-    if type arg >/dev/null; then
-        arg "$@" >/dev/null
-    else
-        target="$1"
-        while [ $# -gt 0 ]; do
-            [ "$1" = "$target" ] && return 0
-            [ "$1" = "--" ] && break
-        done
-        false
-    fi
+	if type arg >/dev/null; then
+		arg "$@" >/dev/null
+	else
+		target="$1"
+		while [ $# -gt 0 ]; do
+			[ "$1" = "$target" ] && return 0
+			[ "$1" = "--" ] && break
+		done
+		false
+	fi
+}
+
+encoder=
+if command -v php &> /dev/null; then
+	encoder=php
+elif command -v python3 &> /dev/null; then
+	encoder=python
+elif command -v perl &> /dev/null; then
+	encoder=perl
+else
+	echo "No URL encoder found! Please install php, python3, or perl!" 1>&2
+	exit 1
+fi
+
+urlencode() {
+	case "$encoder" in
+		php) php -r 'echo urlencode($argv[1]);' -- "$1" ;;
+		perl) perl -MURI::Escape -e 'print uri_escape $ARGV[0]' -- "$1" ;;
+		python) python3 -c 'import urllib.parse, sys; print(urllib.parse.quote(sys.argv[1]))' "$1";;
+	esac
+}
+
+urldecode() {
+	case "$encoder" in
+		php) php -r 'echo urldecode($argv[1]);' -- "$1" ;;
+		perl) perl -MURI::Escape -e 'print uri_unescape $ARGV[0]' -- "$1" ;;
+		python) python3 -c 'import urllib.parse, sys; print(urllib.parse.unquote(sys.argv[1]))' "$1";;
+	esac
 }
 
 is_valid_trashdir() {
-    [ -d "$1" ] && expr "$(stat -c '%a' "$1")" : '^1[0-7]\{3\}' >/dev/null && ! [ -L "$1" ]
+	[ -d "$1" ] && expr "$(stat -c '%a' "$1")" : '^1[0-7]\{3\}' >/dev/null && ! [ -L "$1" ]
 }
 
 get_trashdir() {
-    file="$(readlink -f -- "$1")"
-    if [ -e "$file" ]; then
-        file_base="$(df -h "$file" | awk 'NR==2 {print $NF}')"
-    else
-        file_base="$(awk -v f="$file" 'substr(f,1,length($2)+1)==($2 "/") && $2>best {best=$2} END {print best}' /proc/mounts)"
-    fi
-    home_base="$(df -h "$HOME" | awk 'NR==2 {print $NF}')"
-    if [ "$file_base" = "$home_base" ]; then
-        echo "$HOME/.Trash"
-    elif is_valid_trashdir "$file_base/.Trash"; then
-        echo "$file_base/.Trash"
-    else
-        echo "$file_base/.Trash-$(id -u)"
-    fi
+	file="$(readlink -f -- "$1")"
+	if [ -e "$file" ]; then
+		file_base="$(df -h "$file" | awk 'NR==2 {print $NF}')"
+	else
+		file_base="$(awk -v f="$file" 'substr(f,1,length($2)+1)==($2 "/") && $2>best {best=$2} END {print best}' /proc/mounts)"
+	fi
+	home_base="$(df -h "$HOME" | awk 'NR==2 {print $NF}')"
+	if [ "$file_base" = "$home_base" ]; then
+		echo "$HOME/.Trash"
+	elif is_valid_trashdir "$file_base/.Trash"; then
+		echo "$file_base/.Trash"
+	else
+		echo "$file_base/.Trash-$(id -u)"
+	fi
 }
 
 can_trash() {
-    filename="$1"
-    if [ ! -e "$filename" ]; then
-        if [ "$force_flag" != "-f" ]; then
-            fail "$progname: cannot move '$filename' to trash: No such file or directory"
-        fi
-        return 0
-    fi
+	filename="$1"
+	if [ ! -e "$filename" ]; then
+		if [ "$force_flag" != "-f" ]; then
+			fail "$progname: cannot move '$filename' to trash: No such file or directory"
+		fi
+		return 0
+	fi
 
-    if [ "$interactive_flag" = "-i" ]; then
-        [ -d "$filename" ] && type=directory || type="file"
-        confirm "$progname: move $type '$filename' to trash?"
-    fi
+	if [ "$interactive_flag" = "-i" ]; then
+		[ -d "$filename" ] && type=directory || type="file"
+		confirm "$progname: move $type '$filename' to trash?"
+	fi
 }
 
 init_trashdir() {
-    trashdir=$1
-    if ! [ -d "$trashdir" ]; then
-        mkdir -m 1755 "$trashdir" || fail "Could not create trash directory"
-    fi
-    mkdir -p "$trashdir/files" || fail "$progname: unable to write to $trashdir"
-    mkdir -p "$trashdir/info" || fail "$progname: unable to write to $trashdir"
+	trashdir=$1
+	if ! [ -d "$trashdir" ]; then
+		mkdir -m 1755 "$trashdir" || fail "Could not create trash directory"
+	fi
+	mkdir -p "$trashdir/files" || fail "$progname: unable to write to $trashdir"
+	mkdir -p "$trashdir/info" || fail "$progname: unable to write to $trashdir"
 }
 
 path_from_trashinfo() {
-    #sed -n 's/^Path=//p' "$1" | php -r 'echo urldecode(fgets(STDIN));'
-    sed -n 's/^Path=//p' "$1" | perl -MURI::Escape -ne 'print uri_unescape $_'
+	urldecode "$(sed -n 's/^Path=//p' "$1")"
 }
 
 date_from_trashinfo() {
-    sed -n 's/^DeletionDate=//p' "$1"
+	sed -n 's/^DeletionDate=//p' "$1"
 }
 
 trashinfo_for_file() {
-    #php -r 'echo urlencode($argv[1]);' -- "$1"
-    cat <<END
-[Trash Info]
-Path=$(perl -MURI::Escape -e 'print uri_escape $ARGV[0]' -- "$1")
-DeletionDate=$(date +"%FT%H:%M:%S")
-END
+	cat <<-END
+	[Trash Info]
+	Path=$(urlencode "$1")
+	DeletionDate=$(date +"%FT%H:%M:%S")
+	END
 }
 
 trash_file() {
-    filename=$1
-    dir=${filename%/*}
-    trashdir="$(get_trashdir "$dir")"
-    init_trashdir "$trashdir"
+	filename=$1
+	dir=${filename%/*}
+	trashdir="$(get_trashdir "$dir")"
+	init_trashdir "$trashdir"
 
-    trashname="${filename##*/}"
-    origname="${trashname%%.*}"
-    if [ -z "$origname" ]; then
-        origname="dotfile"
-    fi
-    ext=".${trashname##*.}"
-    if [ "$ext" = ".$trashname" ]; then
-        ext=""
-    fi
+	trashname="${filename##*/}"
+	origname="${trashname%%.*}"
+	if [ -z "$origname" ]; then
+		origname="dotfile"
+	fi
+	ext=".${trashname##*.}"
+	if [ "$ext" = ".$trashname" ]; then
+		ext=""
+	fi
 
-  # Use -u (unsafe) option because we cannot mv a directory into a
-  # file.  This is technically "unsafe" but mv will ask for
-  # confirmation when overwriting.
-  deletedfile=$(mktemp -u "$trashdir/files/${origname}_XXXXXXXX")$ext
-  deletedbase=$(basename "$deletedfile")
-  deletedinfo="$trashdir/info/$deletedbase.trashinfo"
+	# Use -u (unsafe) option because we cannot mv a directory into a
+	# file.  This is technically "unsafe" but mv will ask for
+	# confirmation when overwriting.
+	deletedfile=$(mktemp -u "$trashdir/files/${origname}_XXXXXXXX")$ext
+	deletedbase=$(basename "$deletedfile")
+	deletedinfo="$trashdir/info/$deletedbase.trashinfo"
 
-  trashinfo_for_file "$filename" > "$deletedinfo" || \
-      fail "$progname: unable to create trash info for $filename at $deletedinfo"
+	trashinfo_for_file "$filename" > "$deletedinfo" || \
+		fail "$progname: unable to create trash info for $filename at $deletedinfo"
 
-  # Note that the trashinfo file will have the ownership and
-  # permissions of the person who deleted the file, and not
-  # necessarily of the original file.
+	# Note that the trashinfo file will have the ownership and
+	# permissions of the person who deleted the file, and not
+	# necessarily of the original file.
 
-  if ! mv $verbose_flag -- "$filename" "$deletedfile"; then
-      rm "$deletedinfo"
-      fail "$progname: unable to move $filename to $deletedfile"
-  fi
+	if ! mv $verbose_flag -- "$filename" "$deletedfile"; then
+		rm "$deletedinfo"
+		fail "$progname: unable to move $filename to $deletedfile"
+	fi
 }
 
 untrash_files() {
-    [ $# -eq 0 ] && fail "No files provided to untrash"
-    for target; do
-        if ! file="$(find_trashfile "$target")"; then
-            [ "$force_flag" = "-f" ] || fail "No such file: $target"
-        fi
-        info="$(dirname "$file")/../info/$(basename "$file").trashinfo"
-        orig="$(path_from_trashinfo "$info")"
-        mv ${force_flag:--i} $verbose_flag "$file" "$orig" || fail "Could not restore file: $file"
-        rm -rf $verbose_flag "$info" || fail "Could not clean up trash info file: $info"
-    done
+	[ $# -eq 0 ] && fail "No files provided to untrash"
+	for target; do
+		if ! file="$(find_trashfile "$target")"; then
+			[ "$force_flag" = "-f" ] || fail "No such file: $target"
+		fi
+		info="$(dirname "$file")/../info/$(basename "$file").trashinfo"
+		orig="$(path_from_trashinfo "$info")"
+		mv ${force_flag:--i} $verbose_flag "$file" "$orig" || fail "Could not restore file: $file"
+		rm -rf $verbose_flag "$info" || fail "Could not clean up trash info file: $info"
+	done
 }
 
 empty_files() {
-    [ $# -eq 0 ] && fail "No files provided to empty"
-    for target; do
-        if ! file="$(find_trashfile "$target")"; then
-            [ "$force_flag" = "-f" ] || fail "No such file: $target"
-        fi
-        info="$(dirname "$file")/../info/$(basename "$file").trashinfo"
-        orig="$(path_from_trashinfo "$info")"
-        confirm "Delete file $file?" || exit 1
-        rm -r $force_flag $verbose_flag -- "$file" "$info" || fail "Could not empty file: $file"
-    done
+	[ $# -eq 0 ] && fail "No files provided to empty"
+	for target; do
+		if ! file="$(find_trashfile "$target")"; then
+			[ "$force_flag" = "-f" ] || fail "No such file: $target"
+		fi
+		info="$(dirname "$file")/../info/$(basename "$file").trashinfo"
+		orig="$(path_from_trashinfo "$info")"
+		confirm "Delete file $file?" || exit 1
+		rm -r $force_flag $verbose_flag -- "$file" "$info" || fail "Could not empty file: $file"
+	done
 }
 
 empty_trash() {
-    [ $# -eq 0 ] && set "$PWD"
-    for target; do
-        td="$(get_trashdir "$(readlink -f -- "$target")")"
-        [ -d "$td/files" ] && [ -n "$(ls -A "$td/files")" ] || continue
-        [ "$force_flag" != "-f" ] &&
-            ( printf '\033[1mThe following %s of files will be deleted:\033[0m\n' \
-            "$(du -h --summarize "$td/files" | cut -f1)B" &&
-            printf '  \033[33m%s\033[0m\n' "$td"/files/*) | more
-        if ! confirm "Do you want to proceed?"; then
-            echo "Aborted."
-            exit 1
-        fi
-        rm -r $verbose_flag "$td"/files/* "$td"/info/* || exit 1
-        printf '\033[1mDeleted!\033[0m\n'
-    done
+	[ $# -eq 0 ] && set "$PWD"
+	for target; do
+		td="$(get_trashdir "$(readlink -f -- "$target")")"
+		[ -d "$td/files" ] && [ -n "$(ls -A "$td/files")" ] || continue
+		[ "$force_flag" != "-f" ] &&
+			( printf '\033[1mThe following %s of files will be deleted:\033[0m\n' \
+			"$(du -h --summarize "$td/files" | cut -f1)B" &&
+			printf '  \033[33m%s\033[0m\n' "$td"/files/*) | more
+		if ! confirm "Do you want to proceed?"; then
+			echo "Aborted."
+			exit 1
+		fi
+		rm -r $verbose_flag "$td"/files/* "$td"/info/* || exit 1
+		printf '\033[1mDeleted!\033[0m\n'
+	done
 }
 
 list_trash() {
-    [ $# -eq 0 ] && set "$PWD"
-    for target; do
-        td="$(get_trashdir "$(readlink -f -- "$target")")"
-        for f in "$td/files"/*; do
-            [ -e "$f" ] || continue
-            printf '%s'"$FS"'%s'"$FS"'%s'"$RS" \
-                "$f" "$(date_from_trashinfo "$td/info/$(basename "$f").trashinfo")" \
-                "$(path_from_trashinfo "$td/info/$(basename "$f").trashinfo")"
-        done
-    done
+	[ $# -eq 0 ] && set "$PWD"
+	for target; do
+		td="$(get_trashdir "$(readlink -f -- "$target")")"
+		for f in "$td/files"/*; do
+			[ -e "$f" ] || continue
+			printf '%s'"$FS"'%s'"$FS"'%s'"$RS" \
+				"$f" "$(date_from_trashinfo "$td/info/$(basename "$f").trashinfo")" \
+				"$(path_from_trashinfo "$td/info/$(basename "$f").trashinfo")"
+		done
+	done
 }
 
 if [ $# -eq 0 ]; then
-  show_usage
-  fail "Run 'man $progname' for more information."
+	show_usage
+	fail "Run 'man $progname' for more information."
 fi
 
 (has_arg -v "$@" || has_arg --verbose "$@")     && verbose_flag=-v
@@ -277,25 +303,26 @@ action=trash
 (has_arg -E "$@" || has_arg --empty-all "$@") && action=emptyall
 
 while a="$(expr ";$1" : "^;\(--\|-[VhvirRfueEl]\+\|--version\|--help\|--verbose\|--interactive\|--recursive\|--force\|--untrash\|--empty\|--empty-all\|--list\)$")"; do
-    shift
-    [ "$a" = "--" ] && break
+	shift
+	[ "$a" = "--" ] && break
 done
 
 case "$action" in
-    help) show_usage ;;
-    version) echo "$version" ;;
-    list) list_trash "$@" ;;
-    untrash) untrash_files "$@" ;;
-    emptyfiles) empty_files "$@" ;;
-    emptyall) empty_trash "$@" ;;
-    trash)
-        for f; do
-            filename="$(readlink -f -- "$f")"
-            if ! [ -e "$filename" ]; then
-                [ "$force_flag" = "-f" ] || fail "File does not exist: $filename"
-            else
-                can_trash "$filename" && trash_file "$filename" || exit 1
-            fi
-        done
-        ;;
+	help) show_usage ;;
+	version) echo "$version" ;;
+	list) list_trash "$@" ;;
+	untrash) untrash_files "$@" ;;
+	emptyfiles) empty_files "$@" ;;
+	emptyall) empty_trash "$@" ;;
+	trash)
+		for f; do
+			filename="$(readlink -f -- "$f")"
+			if ! [ -e "$filename" ]; then
+				[ "$force_flag" = "-f" ] || fail "File does not exist: $filename"
+			else
+				can_trash "$filename" && trash_file "$filename" || exit 1
+			fi
+		done
+		;;
 esac
+# vim: ts=2:noexpandtab:ft=sh