add -h arg for help

[lnf] / lnf

diff --git a/lnf b/lnf
index 1dd62f9822a5a723488615d89f81999f97290104..2518c1c4ac60cf35147ba72bdc886c252759bbe2 100755 (executable)
--- a/lnf
+++ b/lnf
@@ -7,17 +7,17 @@ lnf() {
        lnf -T TARGET LINK_NAME     (1st form)
        lnf TARGET                  (2nd form)
        lnf TARGET... DIRECTORY     (3rd form)
-Create symlinks conveniently and forcefully
+Create symlinks forcefully
 
 Removes existing files using trash-put or rm -rf if it is not available,
-or trash-put fails due to a cross-filesystem link.  Create directory if
-needed. Slightly more restrictive arguments than ln.
+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."
 
-    if [[ $1 == --help || $# -eq 0 ]]; then
+    if [[ $1 == --help || $1 == -h || $# -eq 0 ]]; then
         echo "$help"
         return 0
     fi
@@ -80,7 +80,7 @@ links to each TARGET in DIRECTORY."
                 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