Article View: comp.text.tex
Article #899Re: WANTED: macro which extracts first char of its argument - possible?
From: hank
Date: Thu, 06 Aug 1992 00:06
Date: Thu, 06 Aug 1992 00:06
13 lines
1037 bytes
1037 bytes
In article <1992Aug5.133331.9379@bernina.ethz.ch>,
schaeppe@nessie.cs.id.ethz.ch (Christian Schaepper) writes:
> is it possible to write a macro which extracts the first character of
> its argument (such that, for example, `\firstchar{abc}' yields `a') ?
Here's a non-TeXnician's approach. Please do not show this to Barr or
Arseneau or Taylor or Rose or ...., it would be too embarrassing.
\def\firstchar#1{%
\def\FirstChar##1##2\EndFirstChar{##1}%
\expandafter\FirstChar#1\relax\EndFirstChar}
--darrel hankerson hank@ducvax.auburn.edu
Technical Details
Message-ID:
<1992Aug5.190650.1@ducvax.auburn.edu>Path:
arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!news.duc.auburn.edu!ducvax.auburn.edu!hankReferences:
<1992Aug5.133331.9379@bernina.ethz.ch>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!news.duc.auburn.edu!ducvax.auburn.edu!hank From: hank@ducvax.auburn.edu Newsgroups: comp.text.tex Subject: Re: WANTED: macro which extracts first char of its argument - possible? Message-ID: <1992Aug5.190650.1@ducvax.auburn.edu> Date: 6 Aug 92 00:06:50 GMT References: <1992Aug5.133331.9379@bernina.ethz.ch> Sender: usenet@news.duc.auburn.edu (News Account) Organization: Auburn University, AL Lines: 13 Nntp-Posting-Host: ducvax