change semantics to include all ln cases, but require option

[lnf] / lnf

diff --git a/lnf b/lnf
index bf497615a23b7196700cbfc75767b1606762f5e3..104c90187008bfd3caa40d9588ff44cd4d1a4f38 100755 (executable)
--- a/lnf
+++ b/lnf
@@ -3,16 +3,25 @@
 # 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. Small change to ln argument semantics: for 2 arguments,
-the second is the link, never a directory to put the link in.
-LN_ARGUMENTS are passed to ln -s --, meaning no ln option arguments are supported."
-    if [[ $1 == --help ]]; then
+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 remove x
     if type -P dircolors >/dev/null; then
@@ -21,7 +30,13 @@ LN_ARGUMENTS are passed to ln -s --, meaning no ln option arguments are supporte
         remove="rm -rf"
     fi
     
-    if [[ $# -ge 3 ]]; 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 ${!#} # last arg
@@ -36,12 +51,6 @@ LN_ARGUMENTS are passed to ln -s --, meaning no ln option arguments are supporte
         else
             mkdir -p "${!#}"
         fi
-    elif [[ $# -eq 2 ]]; then
-        if [[ -e "$2" || -L "$2" ]]; then
-            $remove "$2"
-        elif [[ ! -d "$2/.." ]]; then
-            mkdir -p "$2/.."
-        fi
     elif  [[ $# -eq 1 ]]; then
         [[ -e "${1##*/}" || -L "${1##*/}" ]] && $remove "${1##*/}"
     fi