# This program is under GPL v. 3 or later, see <http://www.gnu.org/licenses/>
lnf() {
- local help="lnf [--help] LN_ARGUMENTS...
+ local help="lnf [--help] [-T] LN_ARGUMENT...
Create symlinks conveniently and forcefully.
+
Remove existing file/links using trash-put or rm -rf if it is not available.
-Create directory if needed. Finally, ln -s -- LN_ARGUMENTS"
- if [[ $1 == --help ]]; then
+Create directory if needed. Small change to ln argument semantics: for 2 arguments,
+the second argument is a directory unless -T is passed. This removes ambiguity of
+replacing a file but not a directory. No ln option arguments are supported."
+
+ if [[ $1 == --help || $# -eq 0 ]]; then
echo "$help"
return 0
fi
+
+ local nodir=false
+ if [[ $1 == -T ]]; then
+ nodir=true
+ shift
+ fi
+
+ local reset_extglob=false
+ ! shopt extglob >/dev/null && reset_extglob=true
+ shopt -s extglob
+
local remove x
- if type -P dircolors >/dev/null; then
+ if type -P trash-put >/dev/null; then
remove=trash-put
else
remove="rm -rf"
fi
- if [[ $# -ge 3 && ! -d ${!#} ]]; then
- mkdir -p "${!#}"
- elif [[ $# -ge 2 && -d ${!#} ]]; then
- local oldcwd=$PWD
- cd ${!#} # last arg
- for x in "${@:1:$(($#-1))}"; do # all but last arg
- # remove any trailing slashes
- x="${x%%+(/)}"
- # remove any leading directory components
- x="${x##*/}"
- [[ -e "$x" || -L "$x" ]] && $remove "$x"
- done
- cd "$oldcwd"
- elif [[ $# -eq 2 ]]; then
+ if $nodir && [[ $# -eq 2 ]]; then
if [[ -e "$2" || -L "$2" ]]; then
$remove "$2"
elif [[ ! -d "$2/.." ]]; then
mkdir -p "$2/.."
fi
+ elif [[ $# -ge 2 ]]; then
+ if [[ -d ${!#} ]]; then
+ local oldcwd=$PWD
+ cd "${!#}" # last arg
+ for x in "${@:1:$(( $# - 1 ))}"; do # all but last arg
+ # remove any trailing slashes, uses extglob
+ x="${x%%+(/)}"
+ # remove any leading directory components
+ x="${x##*/}"
+ [[ -e "$x" || -L "$x" ]] && $remove "$x"
+ done
+ cd "$oldcwd"
+ else
+ mkdir -p "${!#}"
+ fi
elif [[ $# -eq 1 ]]; then
[[ -e "${1##*/}" || -L "${1##*/}" ]] && $remove "${1##*/}"
fi
+
+ $reset_extglob && shopt -u extglob
ln -s -- "$@"
}