Dear Community,
I need a little bit of help.
I’m frustrating I can not find the right Function.
I have to read a .txt File into my OpenMusic Patch to take some calculations.
But it seams that the File reader from:
http://support.ircam.fr/docs/om/om6-manual/co/ReadingWriting.html
takes the line as a String.
And I need a float or a integer.
But I can not found any Functions for Conversion.
Can anybody help me a little bit
Dear Creco,
Since you didn’t specify in which context you need oto do this, here is the most general way to convert strings into integer/floats. However if in your string there is a non integer/float it still works…
Best
K
Ok,
But I have;
(“123” “234” “345”)
and I need
(123 234 345 )
In which way I can have the first translate to the Second
Ok,
I have found a Solution.
But I think is a little bit complicated.
I have interrupted the Connection between the Line-Reader (“file-read-line”) and the Collector.
Then I have set a Funcall object and a String Object [parse-float].
So it works.
But is there any better Idea.
Ok,
this is now clear,
a big thanks.
Hi,
I’m a bit late… but here’s another way.
best regards,
rc
! correct !
string-to-number a custom OM function!
however, will not work with characters like “toto”
Great, thx rc
K
Hi,
Another alternative would be to use the LISP function read-from-string, for any given string its first output is the desired element (e.g., from “c4” or “flow” read-from-string ouputs [c4 2] and [flow 4], respectively.)
All the best,
António
Hi,
I’ve attached a LISP file with two alternative ways of doing it, which may be useful in different contexts:
string-to-atom, and transforms a string as follows: “string-content” --> string-content;string-to-list, and transforms a string as follows: “string-content” --> (string-content).The code:
(defmethod string-to-atom ((box string))
(car (list (read-from-string box))))
(defmethod string-to-atom ((box list))
(loop for item in box
collect (string-to-atom item)))
(defmethod string-to-list ((box string))
(list (read-from-string box)))
(defmethod string-to-list ((box list))
(loop for item in box
collect (string-to-list item)))
The file, which you can put in your workspace’s “user” sub-folder: string-utils.lisp (445 Bytes)
Hope this helps.
All the best,
António
Hallo,
I am trying to covert a string to number/integer. (E.g. ”23” => 23). In my earlier patches (made in earlier OM versions) I was using LISP function read-form-string and it was functioning well. Yet, since I changed to OM 7.2 and MacBook M2 (Ventura 13) this doesn’t function any more. OM crashes every time I evaluate the patch containing this function. (I use it for converting output from text-view to number/integer in order to pass it forward.) I also tried with LISP function string-to-number and parse-integer but unsuccessfully. If somebody has a solution please let me know!
All the best!
Aliser
Dear Aliser,
Can you send the patch please so I can check it out?
I don’t think it is a conversion issue.
Best
K