Subject: Re: Parsing a simple string
From: Erik Naggum <>
Date: 1997/03/11
Newsgroups: comp.lang.lisp
Message-ID: <>

* Hrvoje Niksic
| I'm doing my first steps in CL programming, and have found an obstacle.
| I have a file of the following format:
| string number
| ...
| That is, each lines looks something like "foo 5" (the delimiter is one
| SPC character).  I know how to read lines from the file using
| `read-line', but I'd like to parse the string as to get the string "foo"
| and number 5.  What's the best way to do it?  Any pointers?

since the delimiter is a single space, let's exploit that.
(position #\Space <input-line>) yields its position.
(subseq <input-line> 0 <position>) yields the string.
(parse-integer <input-line> :start <position>) yields the number.

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