# This program is under GPL v. 3 or later, see <http://www.gnu.org/licenses/>
lnf() {
- local help="lnf - Create symlinks conveniently and forcefully.
-Usage:
+ local help="Usage:
lnf -T TARGET LINK_NAME (1st form)
lnf TARGET (2nd form)
lnf TARGET... DIRECTORY (3rd form)
+Create symlinks forcefully
-Remove existing file in the using trash-put or rm -rf if it is not available,
-or trash-put fails due to a cross-filesystem link.
+Removes existing files using trash-put or rm -rf if it is not available,
+or trash-put fails due to a limitation such as a cross-filesystem link.
Create directory if needed. Slightly more restrictive arguments than ln.
In the 1st form, create a link to TARGET with the name LINK_NAME. In the 2nd
form, create a link to TARGET in the current directory. In the 3rd form, create
-links to each TARGET in DIRECTORY."
+links to each TARGET in DIRECTORY.
- if [[ $1 == --help || $# -eq 0 ]]; then
+Do export LNF_VERBOSE=true for verbose output
+"
+
+ if [[ $1 == --help || $1 == -h || $# -eq 0 ]]; then
echo "$help"
return 0
fi
fi
fi
+
local reset_extglob=false
! shopt extglob >/dev/null && reset_extglob=true
shopt -s extglob
to_remove=()
if [[ $nodir ]]; then
- dir="$(dirname "$2")"
- if [[ -e $2 || -L $2 ]]; then
- to_remove+=("$2")
- elif [[ ! -d $dir ]]; then
+ dest_file="$2"
+ dest_dir="$(dirname "$dest_file")"
+ if [[ -e $dest_file || -L $dest_file ]]; then
+ to_remove+=("$dest_file")
+ elif [[ ! -d $dest_dir ]]; then
mkdir=true
- if [[ -e $dir || -L $dir ]]; then
+ if [[ -e $dest_dir || -L $dest_dir ]]; then
to_remove+=("$dir")
fi
fi
elif (( $# >= 2 )); then
- if [[ -d ${!#} ]]; then
- prefix="${!#}/" # last arg
+ dest_dir="${!#}"
+ if [[ -d $dest_dir ]]; then
+ prefix="$dest_dir/" # last arg
for x in "${@:1:$(( $# - 1 ))}"; do # all but last arg
# Remove 1 or more trailing slashes, using.
x="${x%%+(/)}"
[[ -e "$x" || -L "$x" ]] && to_remove+=("$x")
done
else
- if ! mkdir -p "${!#}"; then
- echo "lnf error: failed to make directory ${!#}"
- return 1
- fi
+ mkdir=true
fi
elif [[ $# -eq 1 ]]; then
[[ -e "${1##*/}" || -L "${1##*/}" ]] && to_remove+=("${1##*/}")
fi
if (( ${#to_remove[@]} >= 1 )); then
if type -P trash-put >/dev/null; then
+ if [[ $LNF_VERBOSE == true ]]; then
+ echo "lnf: trash-put -- ${to_remove[*]}"
+ fi
trash-put -- "${to_remove[@]}" || ret=$?
# trash-put will fail to trash a link that goes across filesystems (72),
# and for empty files (74)
echo "$0: using rm -rf to overcome cross filesystem trash-put limitation"
rm -rf -- "${to_remove[@]}"
elif [[ $ret == 74 ]]; then
- echo "$0: using rm -rf to overcome empty file/dir trash-put limitation"
+ echo "$0: using rm -rf to overcome empty file & hardlink trash-put limitation"
rm -rf -- "${to_remove[@]}"
elif [[ $ret && $ret != 0 ]]; then
return $x
fi
else
+ if [[ $LNF_VERBOSE == true ]]; then
+ echo "lnf: rm -rf -- ${to_remove[*]}"
+ fi
rm -rf -- "${to_remove[@]}"
fi
fi
$reset_extglob && shopt -u extglob
if $mkdir; then
- if ! mkdir -p "$(dirname "$2")"; then
- echo "lnf error: failed to make directory $(dirname "$2")"
+ if ! mkdir -p "$dest_dir"; then
+ echo "lnf error: failed to make directory $dest_dir"
return 1
fi
fi