clip cache better as variable

files/cclip

@@ -17,28 +17,23 @@ _help() {
   Filename:
     When reading from clipboard:
       File or folder to write the clipboard contents. If omitted: stdout
-    When writing to clipboard:g/
+    When writing to clipboard:
       File or folder to read from. If omitted: stdin
 
   Shorthand:
     echo my data | $SELF 1  # writes data with name: 1
     $SELF 1 | cat - # prints the contents of file: 1
+
+  Config:
+    CCLIP_HOME environment variable sets clipboard storage path,
+    defauls to ~/.cache/cclip
 "
   exit
 }
 
 
 _load_config(){
-  STORAGE=~/.cache/cclip
-  CONFIG=~/.config/cclip/config
-
-  [[ -f "$CONFIG" ]] || {
-    mkdir -p $( dirname "$CONFIG" )
-    echo STORAGE=$STORAGE > "$CONFIG"
-    _msg "created config in "$CONFIG""
-  }
-  [[ -f "$CONFIG" ]] && . "$CONFIG"
-  # TODO, run line by line for security, get only lines with matching config item
+  STORAGE=${CCLIP_HOME:-~/.cache/cclip}
   mkdir -p "$STORAGE"
   [[ -e "$STORAGE"/0 ]] || {
     echo Sample data | _write_stdin 0