commit 5cf4f340f20dee7ff395caedadc1a1726b3d5e28
Author: Simon Watson <spesk@pm.me>
Date:   Mon Dec 20 16:57:18 2021 -0500

    Working

diff --git a/fin-lisp.lisp b/fin-lisp.lisp
index 08fd4ca..1848c43 100644
--- a/fin-lisp.lisp
+++ b/fin-lisp.lisp
@@ -1,8 +1,9 @@
 (ql:quickload "cl-store")
+(ql:quickload "cl-ppcre")
 
 ;;;; Reimplementation of my bills tracker in Lisp
 (defun reload ()
-  (load "/Users/swatson/Repos/lisp-files/fin-lisp/fin-lisp.lisp"))
+  (load "~/Repos/fin-lisp/fin-lisp.lisp"))
 
 ;;; All records exist in this data structure
 ;;; nil on start and loaded in from file
@@ -11,6 +12,21 @@
 ;;; and the value is the monthly expenses hash
 (defvar *records* (make-hash-table :test 'equalp))
 
+;;; Lookup table for matching a "pretty" month name
+;;; with a date eg. December2021 -> 202112
+(defparameter *month-table* (list (cons 'January 01)
+				  (cons 'February 02)
+				  (cons 'March 03)
+				  (cons 'April 04)
+				  (cons 'May 05)
+				  (cons 'June 06)
+				  (cons 'July 07)
+				  (cons 'August 08)
+				  (cons 'September 09)
+				  (cons 'October 10)
+				  (cons 'November 11)
+				  (cons 'December 12)))
+
 (defun reset-records ()
   (setf *records* (make-hash-table :test 'equalp)))
   
@@ -63,6 +79,42 @@
   ;(setf *records* (cl-store:restore (pathname filename))))
   (setf *records* (cl-store:restore filename)))
 
+;; Import records from old perl version (plaintext file)
+(defun import-records (filename)
+  (let ((old-file-lines
+	  (with-open-file (stream filename)
+	    (loop for line = (read-line stream nil)
+		  while line
+		  collect line)))
+	(mre (ppcre:create-scanner "^(.*)[0-9]{4}$"))
+	;;(ere (ppcre:create-scanner "^([A-Za-z].*).*$([0-9]{1,4}).*"))
+	(ere (ppcre:create-scanner "^([A-Z].*)\ -\ \\\$([0-9]{1,4}) - PAID"))
+	(cur-mon)
+	(cur-exp))
+    (loop for line in old-file-lines
+	  do (progn
+;;;	       (if (ppcre:scan mre line) (progn
+;;;					   (let ((result)
+;;;						 (month-num))
+;;;					     (setf result (ppcre:register-groups-bind (first second) (mre line) :sharedp t (list first second)))
+;;;					     (setf month-num (cdr (assoc '(first result) *month-table*)))
+;;;					     (setf cur-mon (concatenate (second result) month-num)))))
+	       (if (ppcre:scan mre line) (setf cur-mon line))
+	       (if (ppcre:scan ere line)
+		   (progn
+		     (setf cur-exp (ppcre:register-groups-bind (first second) (ere line) :sharedp t (list first second)))
+		     (print cur-exp)
+		     (if (gethash cur-mon *records*)
+			 (let ((innerhash (gethash cur-mon *records*)))
+			   (setf (gethash (first cur-exp) innerhash) (second cur-exp))))
+		     (if (not (gethash cur-mon *records*))
+			 (progn
+			   (add-month cur-mon)
+			   (let ((innerhash (gethash cur-mon *records*)))
+			     (setf (gethash (first cur-exp) innerhash) (second cur-exp)))))))))))
+ 
+							  
+
 ;; Entry point
 (defun main ()
   (format t "Available options:~C" #\linefeed)
@@ -71,6 +123,7 @@
   (format t "3. Write records~C" #\linefeed)
   (format t "4. Read records~C" #\linefeed)
   (format t "5. Quit~C" #\linefeed)
+  (format t "6. Import Records~C" #\linefeed)
   (let
       ((answer (prompt-read "Select an option")))
     (if (string= answer "1")
@@ -79,12 +132,13 @@
 	  (prompt-read "Enter month"))))
     (if (string= answer "2")
 	(dump-month
-	 (read-from-string
-	  (prompt-read "Enter month"))))
+	  (prompt-read "Enter month")))
     (if (string= answer "3")
 	(serialize-records (prompt-read "Enter filename")))
     (if (string= answer "4")
 	(deserialize-records (prompt-read "Enter filename")))
     (if (string= answer "5")
-	(quit)))
+	(quit))
+    (if (string= answer "6")
+	(import-records (prompt-read "Enter filename"))))
   (main))