webmaster1948's articles:

Items(14) /2 Next >> Last >|

Package help (is this a common plea?) 6 23 (1/17/2012 12:58:02 PM) comp.lang.lisp Sigh -- why is my package not visible? -------------------------- $ cat test.sh #!/usr/bin/clisp (progn (load #p"test-package.lisp") (load #p"test.lisp") (test:print-name)) -------------------------- $... webmasterATflymagnet

What's special about aref? #2 0 52 (4/6/2011 10:21:02 PM) comp.lang.lisp OK, aref is clearly special: > (setf a (make-array '(3 3))) #2A((NIL NIL NIL) (NIL NIL NIL) (NIL NIL NIL)) > (setf (aref a 1 1) 1) 1 > a #2A((NIL NIL NIL) (NIL 1 NIL) (NIL NIL NIL)) > (defun update (r c) (aref... webmasterATflymagnet

What's special about aref? 4 37 (4/6/2011 10:21:01 PM) comp.lang.lisp OK, aref is clearly special: > (setf a (make-array '(3 3))) #2A((NIL NIL NIL) (NIL NIL NIL) (NIL NIL NIL)) > (setf (aref a 1 1) 1) 1 > a #2A((NIL NIL NIL) (NIL 1 NIL) (NIL NIL NIL)) > (defun update (r c) (aref... webmasterATflymagnet

How do you escape double quotes in format directives? 14 23 (2/6/2010 6:22:15 PM) comp.lang.lisp Hi, anyone know how to escape double quotes in a format directive? I'm trying to do the equivalent of the Unix shell command: echo "$2" but with format: (format t "~A" text1 text2) But CLISP says 'EVAL: va... webmasterATflymagnet

Can you force Lisp to collect garbage? 14 30 (8/14/2009 12:40:39 PM) comp.lang.lisp [CLisp and Windows] I am getting stack overflows when I run a process that builds relatively large lists. Without posting all the code it does this sort of thing: (let ((retval)) (dolist (x (list-of-objects... webmasterATflymagnet

Getting URLs 5 28 (8/12/2009 10:26:28 AM) comp.lang.lisp Hi, I have this function: (setf *wget* "C:/Program Files/GnuWin32/bin/wget.exe") (setf *oput* "C:/temp/lisp.out") (defun get-url (str) "Executes wget to put the search result into *oput*." (when str (e... webmasterATflymagnet

Ellipsis (...) in abcl output -- how do you get the full result? 7 30 (2/15/2009 5:02:55 PM) comp.lang.lisp Hi, I'm still a noobie to Lisp so this may be an obvious question. But I've got a function that generates a list of numbers: (defun generate-list (len &optional (counter 1)) "Generate-list returns a list ... webmasterATflymagnet

How do you install and use lisp packages? 2 24 (8/31/2008 7:59:04 PM) comp.lang.lisp OK, a newbie question, so apologies if this is trivial, but I can't find any easy answers. Maybe my expectations and model of how I think this should work is wrong. So here goes... I want to try to use the cl-... webmasterATflymagnet

Can special variables hi-jack function parameters? 5 25 (8/5/2008 11:28:28 PM) comp.lang.lisp I'm not sure I understand this, but it seems to me that special variables can override parameter values in defun functions. If I set up this variable and two functions: (defvar *x* 10) (defun a (*x*) (b)) (def... webmasterATflymagnet

How do you remove an item from a list? 8 38 (3/17/2008 9:32:44 PM) comp.lang.lisp I know you can use: (remove 2 '(1 2 3)) => (1 3) But why does this not work? (remove "a" '("a" "b" "c")) It simply returns the second list: ("a" "b" "c") Any help greatly appreciated. ... webmasterATflymagnet

webmaster1948's replies:

Items(16) /2 Next >> Last >|

How do you install and use lisp packages? 2 24 (8/31/2008 7:59:04 PM) comp.lang.lisp OK, a newbie question, so apologies if this is trivial, but I can't find any easy answers. Maybe my expectations and model of how I think this should work is wrong. So here goes... I want to try to use the cl-... webmaster1948 (46)

how to tokenize a string in Lisp 18 33 (2/2/2009 4:09:57 AM) comp.lang.lisp Sorry, guys, but I'm just a Lisp newbie. My main language is Perl and in my day job I do a lot of data transformation. In Perl, I can do this - $string = '"Mr.","John","J.","Jones","Jr."'; @array = split /","/... cartercc (421)

Ellipsis (...) in abcl output -- how do you get the full result? 7 30 (2/15/2009 5:02:55 PM) comp.lang.lisp Hi, I'm still a noobie to Lisp so this may be an obvious question. But I've got a function that generates a list of numbers: (defun generate-list (len &optional (counter 1)) "Generate-list returns a list ... webmaster1948 (46)

Getting URLs 5 28 (8/12/2009 10:26:28 AM) comp.lang.lisp Hi, I have this function: (setf *wget* "C:/Program Files/GnuWin32/bin/wget.exe") (setf *oput* "C:/temp/lisp.out") (defun get-url (str) "Executes wget to put the search result into *oput*." (when str (e... webmaster1948 (46)

Can you force Lisp to collect garbage? 14 30 (8/14/2009 12:40:39 PM) comp.lang.lisp [CLisp and Windows] I am getting stack overflows when I run a process that builds relatively large lists. Without posting all the code it does this sort of thing: (let ((retval)) (dolist (x (list-of-objects... webmaster1948 (46)

How to set the value? 15 33 (11/7/2009 3:26:19 AM) comp.lang.lisp Hi All, I have been programming in LISP for couple of months now. Today, came across a new notation and had a question on that. Let me give an example: I have an access to an "object" [i don't know what the t... harikris (13)

How do you escape double quotes in format directives? 14 23 (2/6/2010 6:22:15 PM) comp.lang.lisp Hi, anyone know how to escape double quotes in a format directive? I'm trying to do the equivalent of the Unix shell command: echo "$2" but with format: (format t "~A" text1 text2) But CLISP says 'EVAL: va... webmaster1948 (46)

How to improve performance when reading text files? 20 122 (6/24/2010 10:29:44 AM) comp.lang.lisp Hi, I use the following function to return a text file as a list: (defun read-file (file) (with-open-file (stream file) (do ((retval) (line (read-line stream nil) (... webmasterATflymagnet

What's special about aref? 4 37 (4/6/2011 10:21:01 PM) comp.lang.lisp OK, aref is clearly special: > (setf a (make-array '(3 3))) #2A((NIL NIL NIL) (NIL NIL NIL) (NIL NIL NIL)) > (setf (aref a 1 1) 1) 1 > a #2A((NIL NIL NIL) (NIL 1 NIL) (NIL NIL NIL)) > (defun update (r c) (aref... webmaster1948 (46)

Package help (is this a common plea?) 6 23 (1/17/2012 12:58:02 PM) comp.lang.lisp Sigh -- why is my package not visible? -------------------------- $ cat test.sh #!/usr/bin/clisp (progn (load #p"test-package.lisp") (load #p"test.lisp") (test:print-name)) -------------------------- $... webmaster1948 (46)