Date: Wed, 7 May 1997 16:49:40 +0200 (MET DST) From: Zahemszky Gabor <zgabor@CoDe.hu> To: freebsd-questions@freebsd.org (FreeBSD questions) Cc: un_x@anchorage.net Subject: Re: string or int? Message-ID: <199705071449.QAA00750@CoDe.hu> In-Reply-To: <Pine.BSF.3.95q.970506064528.10842A-100000@aak.anchorage.net> from Steve Howe at "May 6, 97 07:01:14 am"
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>
> in regards to sh programming ...
> -------------------------------------------------------------------------
> "man test" says to use != and = for strings,
> and -ne and -eq for integers ...
>
> many times, they appear to be interchangable ...
> what is the rule to determine whether your
> value is a string or an integer?
Your program. Are you waiting for a numeric value, or not.
And what about this one:
$ test 01 = 1 ; echo $?
1
$ test 01 -eq 1 ; echo $?
0
Bye, Gabor
--
#!/bin/ksh
Z='21N16I25C25E30, 40M30E33E25T15U!' ;IFS=' ABCDEFGHIJKLMNOPQRSTUVWXYZ ';set $Z;for i { [[ $i = ? ]]&&print $i&&break;[[ $i = ??? ]]&&j=$i&&i=${i%?};typeset -i40 i=8#$i;print -n ${i#???};[[ "$j" = ??? ]]&&print -n "${j#??} "&&j=;typeset +i i;};IFS=' 0123456789 ';set $Z;X=;for i { [[ $i = , ]]&&i=2;[[ $i = ?? ]]||typeset -l i;X="$X $i";typeset +l i;};print "$X"
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