Don't even remember.
This commit is contained in:
Jaidyn Lev
parent
fe8bba1d3b
commit
722e2f8782
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@ -0,0 +1,51 @@
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(in-package :nih)
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;; UNIVERSAL-TIME --> STRING
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(defun iso-time (universal-time)
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"Return `universal-time` in ISO 8601 format. :)"
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(multiple-value-bind
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(second minute hour date month year)
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(decode-universal-time universal-time)
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(format nil "~A-~A-~A"
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year
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(min-string-length month 2 :prefix "0")
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(min-string-length date 2 :prefix "0"))))
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;; NIL --> STRING
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(defun get-iso-time ()
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"Return the ISO 8601 time of immediately, right here, right now."
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(iso-time (get-universal-time)))
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;; STRING STRING --> INTEGER
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(defun iso-date-distance (iso-date-a iso-date-b)
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"Return the number of days between date-a and date-b."
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(let* ((a (mapcar #'read-from-string (nih:char-split "-" iso-date-a)))
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(year-a (car a)) (month-a (cadr a)) (day-a (caddr a))
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(b (mapcar #'read-from-string (nih:char-split "-" iso-date-b)))
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(year-b (car b)) (month-b (cadr b)) (day-b (caddr b)))
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(+
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(* 365 (- year-b year-a))
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(- (day-number month-b day-b) (day-number month-a day-a)))))
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(defvar month-length
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'(31 28 31 30 31 30 31 31 30 31 30 30))
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;; INTEGER [INTEGER] --> INTEGER
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(defun day-number (month &optional (date 1))
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"Return the day-number (of a year) of a month/day combo."
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(let ((month-days (reduce #'+ (nih:up-to (- month 2) month-length)))
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(date-days date))
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(+ month-days date-days)))
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@ -0,0 +1,35 @@
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(in-package :nih)
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;; PATH --> STRING
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(defun read-file-string (path)
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"Read all lines from a file into a string."
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(if (file-exists path)
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(let ((encoding (asdf-encodings:detect-file-encoding path)))
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(with-open-file (fstream path
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:direction :input
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:external-format encoding)
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(line-string
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(loop
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:for line = (read-line fstream nil)
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:while line
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:collect line))))))
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(defun write-file-string (path string &key
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(if-exists :append)
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(if-does-not-exist :create))
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"Write a string to a file."
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(let ((encoding :utf-8))
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(if (file-exists path)
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(setq encoding (asdf-encodings:detect-file-encoding path)))
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(with-open-file (fstream path
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:direction :output
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:external-format encoding
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:if-exists if-exists
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:if-does-not-exist if-does-not-exist)
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(format fstream "~A" string))))
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@ -1,19 +1,19 @@
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(in-package :nih)
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;; ITEM LIST --> DATA_AFTER_ITEM
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(defun following (item list)
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(defun following (item list &key (test #'eq))
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"Return all items following the first instance of ITEM"
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(cdr (up-from (position item list :test #'equal) list)))
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(cdr (up-from (position item list :test test) list)))
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;; ITEM LIST --> DATA_UP_TO_ITEM
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(defun preceding (item list)
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(defun preceding (item list &key (test #'eq))
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"Return all items preceding the first instance of ITEM"
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(reverse
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(cdr (reverse
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(up-to (position item list :test #'equal) list)))))
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(up-to (position item list :test test) list)))))
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;; ----------------------------------------
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@ -93,3 +93,71 @@
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(setq i (+ 1 i)))
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stack))
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;; ----------------------------------------
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;; LIST --> LIST_OF_ODD-NUMBERED_ITEMS
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(defun odds (list)
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"Return a list only containing the odd-numbered items of a list."
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(let ((stack '())
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(i 0))
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(loop
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:while (< i (length list))
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:do
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(if (oddp i)
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(setq stack (concatenate 'list stack (list (nth i list)))))
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(setq i (+ 1 i)))
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stack))
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;; LIST --> LIST_OF_ODD-NUMBERED_ITEMS
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(defun evens (list)
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"Return a list only containing the even-numbered items of a list."
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(let ((stack '())
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(i 0))
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(loop
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:while (< i (length list))
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:do
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(if (evenp i)
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(setq stack (concatenate 'list stack (list (nth i list)))))
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(setq i (+ 1 i)))
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stack))
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;; ----------------------------------------
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;; PLIST PLIST --> PLIST
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(defun property-list-merge (plist-a plist-b)
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"Merge two property-lists, with plist-a being the canonical one.
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Useful for when you have defaults (in plist-a) and modifications to
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them (in plist-b), especially for configs."
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(let* ((keys (evens plist-a))
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(pairs (length keys))
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(stack '())
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(i 0))
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(loop
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:while (< i pairs)
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:do
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(let* ((key (nth i keys))
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(a-value (getf plist-a key))
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(b-value (getf plist-b key)))
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(setq stack
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(append stack
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(list key (value-or b-value a-value))))
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(setq i (+ i 1))))
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stack))
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@ -49,18 +49,38 @@
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(defun random-item (list)
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"Return a random item from a list."
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(nth (random (length list)) list))
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(if (not list)
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nil
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(nth (random (length list)) list)))
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;; INTEGER LIST --> LIST
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(defun random-items (number list)
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"Return an amount of random items from a list."
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(if (not list)
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nil
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(let ((item (random-item list)))
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(concatenate 'list
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(list item)
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(if (not (eq number 1))
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(random-items (- number 1) (remove item list)))))))
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;; FILE_PATH --> BOOLEAN
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(defun file-exists (path)
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"Return whether or not a file exists."
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(if (ignore-errors (file-author path))
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'T
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nil))
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;; UNIVERSAL-TIME --> ISO8601-FORMAT_TIME
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(defun iso-time (universal-time)
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"Return `universal-time` in ISO 8601 format. :)"
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;; STREAM --> STRING_OF_ENTIRE_STREAM
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(defun read-line-entire (stream)
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(let* ((cur-line (ignore-errors (read-line stream))))
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(multiple-value-bind
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(second minute hour date month year)
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(decode-universal-time universal-time)
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(format nil "~A-~A-~A"
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year
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(min-string-length month 2 "0")
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(min-string-length date 2 "0"))))
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(cond
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(cur-line
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(string-combine cur-line
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(read-line-entire stream)
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:seperator (format nil "~%")) )
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('T ""))))
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@ -16,17 +16,20 @@
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:regex-get-all
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:regex-remove
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:regex-remove-all
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:regex-split
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:nil-string
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:pad-string
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:min-string-length
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:max-string-length
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:getf-string
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:getf-strings
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:get-colon-values
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:remove-colon-values
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:replace-colon-value
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;; STRING/WORD
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@ -41,6 +44,8 @@
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:word-remove-all
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:word-position
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:word-positions
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:word-split
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:word-length
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:word-car
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:word-caar :word-cadddrr :word-cadaar :word-cadr :word-caadr
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@ -63,6 +68,8 @@
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:line-remove-all
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:line-position
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:line-positions
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:line-split
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:line-length
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:line-car
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:line-caar :line-cadddrr :line-cadaar :line-cadr :line-caadr
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@ -83,6 +90,8 @@
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:char-remove-all
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:char-position
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:char-positions
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:char-split
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:char-length
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:char-car
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:char-caar :char-cadddrr :char-cadaar :char-cadr :char-caadr
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@ -108,13 +117,37 @@
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:replace-at
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:odds
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:evens
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:property-list-merge
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;; DATE
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;; =======================
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:iso-time ;; see (local-time:format-timestring nil timestamp)
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:get-iso-time
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;; see (local-time:format-timestring nil (local-time:universal-to-timestamp)
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:iso-date-distance ;; see #'local-time:timestamp-difference
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:day-number ;; see #'local-time:format-timestring
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:week-number ;; see #'local-time:format-timestring
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;; FILE
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;; =======================
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:read-file-string ;; see #'alexandria:read-file-into-string
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:write-file-string ;; see #'alexandria:write-string-into-file
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;; MISC
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;; =======================
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:random-item
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:random-items
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:iso-time
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:list-or-real
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:value-or
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:file-exists
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:read-line-entire
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:parse-keys))
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@ -37,6 +37,14 @@
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(nth n (char-list string)))
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;; STRING --> INTEGER
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(defun char-length (string)
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"Return the length of a string by character."
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(length (char-list string)))
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;; ----------------------------------------
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@ -75,6 +83,14 @@
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(positions character (char-list string)))
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;; CHARACTER STRING --> LIST_OF_STRINGS
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(defun char-split (character string)
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"Split a string into a list of strings, at a set character."
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(regex-split (string character)
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(mapcar #'string (char-list string))))
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;; ----------------------------------------
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@ -30,6 +30,14 @@
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(nth n (line-list string)))
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;; STRING --> INTEGER
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(defun line-length (string)
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"Return the length of a string in lines."
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(length (line-list string)))
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;; ----------------------------------------
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@ -72,6 +80,13 @@
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(positions line (line-list string) :test #'equal))
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;; QUERY STRING --> LIST_OF_LINES_SANS_MATCHES
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(defun line-split (query string)
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"Split a string into a list, seperated by a set line matching a regex query."
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(regex-split query (line-list string) (string #\Newline)))
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;; ----------------------------------------
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@ -87,6 +87,26 @@
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(padding "" string suffix)))))
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;; STRING INTEGER --> STRING
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(defun max-string-length (string length)
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"Return a string by splitting it into lines, each line being length long."
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(let ((stack "")
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(i 0))
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(loop
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:for char
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:across string
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:do
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(if (eq length i)
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(progn
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(setq i 0)
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(setq stack
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(nih:string-combine stack (format nil "~%~A" char))))
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(setq stack
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(nih:string-combine stack (format nil "~A" char))))
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(setq i (+ 1 i)))
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stack))
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;; STRING DESIRED_LENGTH [PREFIX] [SUFFIX] --> STRING_OF_DESIRED_LENGTH
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(defun min-string-length (string target-length
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@ -188,6 +208,35 @@ Example:
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stack))
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;; QUERY LIST_OF_STRINGS --> LIST_SANS_QUERY_MATCHES
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(defun regex-split (query list &optional (combiner ""))
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"Split a string into a list, seperated by a set item matching a regex query."
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(let ((stack '(""))
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(i 0))
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(loop
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:while (< i (length list))
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:do
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(let ((string (nth i list))
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(last-string (car (reverse stack)))
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(stack-sans (reverse (cdr (reverse stack)))))
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(cond
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((ppcre:scan-to-strings query string)
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(setq stack (concatenate 'list stack (list ""))))
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('T
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(setq stack (concatenate 'list stack-sans
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(list (string-trim combiner
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(string-combine
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last-string string
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:seperator combiner))))))))
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(setq i (+ 1 i)))
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(remove "" stack :test #'equal)))
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;; ----------------------------------------
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@ -268,3 +317,41 @@ Example:
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"Remove the colon-variable declaration from a string."
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(line-remove-all "^:.*" string))
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;; STRING SYMBOL STRING --> STRING
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(defun replace-colon-value (string key-string value)
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"Replace a colon variable's value."
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(let ((existent
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(getf (get-colon-values string) (read-from-string key-string))))
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(if existent
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(line-replace
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(line-position
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(line-get (string-combine "^" key-string " ") string)
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string)
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(string-combine key-string value :seperator " ")
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string)
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(string-combine :seperator (string #\Newline)
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string (string-combine key-string " " value)))))
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;; -------------------------------------
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;; PRIVATE HELPER FUNCTIONS
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;; INTEGER STRING STRING --> STRING
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(defun line-replace (position new-line string)
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"Replace nth line with a new one in a string."
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(let* ((line-list (nih:line-split (nih:line-nth position string) string))
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(modified-list
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(list (car line-list)
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new-line
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(nih:value-or (cadr line-list) ""))))
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(reduce (lambda (a b) (nih:string-combine a b :seperator (format nil "~%")))
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modified-list)))
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@ -30,6 +30,14 @@
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(word-string (nth n (word-list string))))
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;; STRING --> INTEGER
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(defun word-length (string)
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"Return the length of a string by word."
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(length (word-list string)))
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;; ----------------------------------------
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@ -37,7 +45,7 @@
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(defun word-get (query string)
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"Return a word in a string that matches a regex query."
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(word-car (word-get-all query string)))
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(ignore-errors (word-car (word-get-all query string))))
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;; REGEX STRING --> LIST_OF_MATCHING_WORDS
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(defun word-get-all (query string)
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@ -72,6 +80,12 @@
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(positions word (word-list string) :test #'equal))
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(defun word-split (query string)
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"Split a string into a list, seperated by a set word matching a regex query."
|
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(regex-split query (word-list string) " "))
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;; ----------------------------------------
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Reference in New Issue