Xref: utzoo comp.unix.wizards:7261 comp.unix.questions:6167
Path: utzoo!mnetor!uunet!husc6!tut.cis.ohio-state.edu!bloom-beacon!bu-cs!bzs
From: bzs@bu-cs.BU.EDU (Barry Shein)
Newsgroups: comp.unix.wizards,comp.unix.questions
Subject: Re: ATTN: AWK GURUS!!! (lower to upper conversion)
Message-ID: <20805@bu-cs.BU.EDU>
Date: 22 Mar 88 06:58:55 GMT
References: <16782@beta.UUCP>
Organization: Boston U. Comp. Sci.
Lines: 21
In-reply-to: dph@beta.UUCP's message of 21 Mar 88 19:31:51 GMT



>	Convert possibly mixed-case strings to upper-case.
>	(not counting case-less chars like digits)

The attached works under 4.3bsd as you required.

	-Barry Shein, Boston University

BEGIN {
  upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
  lower = "abcdefghijklmnopqrstuvwxyz";
}  
{
  out = "";
  for(i=1;i <= length($1);i++) {
    if((cpos = index(lower,c = substr($1,i,1))) > 0)
      c = substr(upper,cpos,1);
    out = out c;
  }
  print out;
}