Major work done toward vns 1.1

vns

@@ -79,6 +79,10 @@ vns_init () {
     # initStore
     # Prepares $VNS_STORE for use
   
+    if [ -d "$VNS_STORE/.git" ]; then
+        vns_raise "Store already initialized" 2; 
+    fi
+    
     mkdir -p "$VNS_STORE"
     cd "$VNS_STORE" || exit
     git init >/dev/null
@@ -91,17 +95,19 @@ vns_printHelp (){
     # Prints help information to stdout
         
     printf "%s"   "usage: vns [-cedlp] <notebook/section/name>"
-    printf "\\n%s" "       vns -i"
+    printf "\\n%s" "       vns -I"
     printf "\\n%s" "       vns -h"
     printf "\\n%s" "       vns git ..."
     printf "\\n"
-    printf "\\n%s" "  -c | --create : Create note"
-    printf "\\n%s" "  -d | --delete : Delete note"
-    printf "\\n%s" "  -e | --edit   : Open note for editing"
-    printf "\\n%s" "  -h | --help   : Display this message"
-    printf "\\n%s" "  -i | --init   : Initialize note store"
-    printf "\\n%s" "  -l | --list   : List all notes in <notebook>"
-    printf "\\n%s" "  -p | --print  : Print note to console"
+    printf "\\n%s" "  -c : Create note"
+    printf "\\n%s" "  -d : Delete note"
+    printf "\\n%s" "  -e : Open note for editing"
+    printf "\\n%s" "  -h : Display this message"
+    printf "\\n%s" "  -i : import file as note"
+    printf "\\n%s" "  -I : Initialize note store"
+    printf "\\n%s" "  -l : List all notes in <notebook>"
+    printf "\\n%s" "  -m : Merge two or more notes"
+    printf "\\n%s" "  -p : Print note to console"
     printf "\\n\\n"
 
 }
@@ -208,6 +214,42 @@ vns_edit () {
       git commit -m "Edited $1" > /dev/null
 }
 
+vns_import () {
+
+    # import (src) (dest)
+    # If src is the path to a file, and dest is a valid note name,
+    # import src dest copies an encrypted version of src to the note store
+    
+    if [ -z "${*:1:1}" ]; then
+        vns_raise "No source file specified" 90
+        
+    elif [ -z "${*:2:2}" ]; then
+        vns_raise "No destination name specified" 91
+    
+    elif [ ! -f "$1" ]; then
+        vns_raise "Cannot read $1" 92
+    
+    elif [ -f "$VNS_STORE/$2" ]; then
+        printf "%s" "Note already exists. Overwrite? (Y/N) "
+        local response; read -r response
+        case "$response" in
+            Yy)
+                rm "$VNS_STORE/$2";;
+            *)
+                vns_raise "User declined overwrite" 0;;
+        esac
+    fi
+    
+    printf "%s:" "Specify GPG Public Key: "
+    local gpg_key; read -r gpg_key
+    
+    gpg2 -r "$gpg_key" -o "$VNS_STORE/$2.gpg" -e "$1"
+    
+    git add "$VNS_STORE/$2.gpg"
+    git commit -m "Imported file $1 as $2"
+    
+}
+
 vns_print () {
 
     # print (note)
@@ -241,6 +283,7 @@ vns_merge () {
     # merge (output) (notes[]) concatenates notes[] into output.
     
     if [ -z "${*:1}"        ]; then vns_raise "No output specified" 81; fi
+    if [ -z "${*:2}"        ]; then vns_raise "No inputs specified" 84; fi
     if [ -r "$VNS_STORE/$1.gpg" ]; then vns_raise "Output file already exists." 82; fi
     
     # Make output file
@@ -267,6 +310,31 @@ vns_merge () {
     git commit -m "merged files ${*:2} into $1"
 }
 
+vns_duplicate () {
+    if [ -z "${*:1:1}" ]; then
+        vns_raise "No source note specified" 100
+
+    elif [ -z "${*:2:2}" ]; then
+        vns_raise "No destination name specified" 101
+
+    elif [ ! -f "$VNS_STORE/$1" ]; then
+        vns_raise "Cannot read $1" 102
+
+    elif [ -f "$VNS_STORE/$2" ]; then
+        printf "%s" "Note already exists. Overwrite? (Y/N) "
+        local response; read -r response
+        case "$response" in
+            Yy)
+                rm "$VNS_STORE/$2";;
+            *)
+                vns_raise "User declined overwrite" 0;;
+        esac
+    fi
+    
+    cp "$VNS_STORE/$1.gpg" "$VNS_STORE/$2.gpg"
+    
+    git add "$VNS_STORE/$2"
+}
 vns () {
     
     # Bypass sanity check if told to initialize store
@@ -283,9 +351,10 @@ vns () {
     # List of valid arguments  
       declare -A -r ACTIONS=( ["-c"]="vns_create"    ["-d"]="vns_rm"\
                               ["-e"]="vns_edit"      ["-l"]="vns_list"\
-                              ["-h"]="vns_printHelp" ["-i"]="vns_init"\
-                              ["-m"]="vns_merge"     ["-p"]="vns_print"\
-                              ["-r"]="vns_mv"        ["git"]="git"     )
+                              ["-h"]="vns_printHelp" ["-I"]="vns_init"\
+                              ["-i"]="vns_import"    ["-m"]="vns_merge"\
+                              ["-p"]="vns_print"     ["-r"]="vns_mv"\
+                              ["-u"]="vns_duplicate" ["git"]="git"     )
     
     # If given an invalid argument, inform the user and exit on code 10
     # Otherwise, perform the corresponding action