Code Red > AutoLISP (Vanilla / Visual)

Add zero in number

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amc.dicsac:
Hello

I need your help please, I want to add a zero to the numbers from 1 to 9 without the numbers from 10 being modified

Example:

1 --> 01
2 --> 02

10 ---> 10
1000 ---> 1000

PKENEWELL:
Try This:


--- Code: ---;|==============================================================================
  Function Name: (pjk-leadzeros)
  Arguments:
     dig = integer; number of total digits represented in the string. must be
           greater than zero.
     str = string; a string representing a positive integer. must not have any
           alpha characters or decimal points, minus sign, etc...
  Usage: (pjk-leadzeros <Number of Digits> <String>)
  Returns:
     > The resulting string with leading zeros if the digits are greater than the
       integer represented, the original string if the interger has equal or more
       digits than <dig>. NIL if any argument is invalid
  Description:
     This function converts a string representing an integer number to a string
     with the integer including leading zeros. This is extremely useful when used
     within a sorted index to prevent single digit sorting common to windows (e.g.
     1, 10, 11, 12..., 2, 20, 21, 22...)
================================================================================|;
(defun pjk-leadzeros (dig str)
   (if (and dig str
          (= (type dig) 'INT)
          (= (type str) 'STR)
          (> dig 0)
      )
(repeat (- dig (strlen str))(setq str (strcat "0" str)))
(setq str nil)
   )
   str
) ;; End Function (pjk-leadzeros)

--- End code ---

Lee Mac:
Another -

--- Code - Auto/Visual Lisp: ---(defun f ( s ) (substr (strcat "0" s) (min 2 (strlen s))))
--- Code - Auto/Visual Lisp: ---_$ (f "1")"01"_$ (f "10")"10"_$ (f "100")"100"_$ (f "1000")"1000"

BIGAL:
Another example we use D01, D10 etc


--- Code: ---; if less than 10
    (if (< (car dwgnum) 10.0)
      (setq newstr2 (strcat dwgname "-D0"  (rtos sheetnum 2 0)))
      (setq newstr2 (strcat dwgname "-D"  (rtos sheetnum 2 0)))
    )

--- End code ---

MP:
Another for fun:

(defun p (x) (strcat (if (< (strlen (setq x (vl-princ-to-string x))) 2) "0" "") x))

(p 1)      >> "01"
(p "2")    >> "02"
(p 10)     >> "10"
(p "1000") >> "1000"

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