Added -f and -r options for compatability with rm.

Minor code cleanup.

trash

@@ -15,7 +15,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
-version="0.3.4 \$Id: trash 2011/03/17 14:56:07 GMT rr@dwaible $"
+version="0.3.6 \$Id: trash 2011/03/17 15:03:22 GMT rr@dwaible $"
 
 function show_usage {
   cat << EOU
@@ -28,6 +28,8 @@ Options:
   -h, --help		show this help message and exit
   -v, --verbose		explain what is being done
   -i, --interactive	prompt before moving every file
+  -r, -R, --recursive   ignored (for compatability with rm)
+  -f, --force		ignore non-existent files, never prompt
 EOU
 }
 
@@ -38,7 +40,7 @@ function try_help {
 
 # Option handling
 
-if ! options=$(getopt -o hvi -l "help,verbose,interactive::,version" -n "$0" -- $@)
+if ! options=$(getopt -o hvirRf -l "help,verbose,interactive::,version,recursive,force" -n "$0" -- $@)
 then
   exit 1
 fi
@@ -72,7 +74,9 @@ case $1 in
       fi
       interactive=$arg
       ;;
-    --version) echo "$0 $version" 1>&2;;
+    --version) echo "$0 $version" 1>&2 ;;
+    -r|-R|--recursive) ;;
+    -f|--force) interactive=force ;;
     (--) shift; break;;
     (-*) echo "$0: invalid option -- '$1'" 1>&2 ; try_help ; exit 1 ;;
     (*) break;;
@@ -170,9 +174,10 @@ function can_trash {
   filename=$1
 
   if [ ! -e "$filename" ]; then
+    if [ "$interactive" != "force" ]; then
       echo "$0: cannot move \`$filename' to trash: No such file or directory" 1>&2
+    fi
     echo 0
-
   else
 
     type="file"
@@ -181,7 +186,7 @@ function can_trash {
     fi
 
     case $interactive in
-      never) echo 1 ;;
+      never|force) echo 1 ;;
       always)
         read -p "$0: move ${type} '${filename}' to trash?" yn
         if [[ "$yn" =~ ^[yY]$ ]]; then