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authorRafael Garcia-Suarez <rgarciasuarez@gmail.com>2002-05-09 11:43:12 +0000
committerRafael Garcia-Suarez <rgarciasuarez@gmail.com>2002-05-09 11:43:12 +0000
commitde108802002fd7758d661282179febed13a1e304 (patch)
treedbab988b81baf8cf82cb9e6a301ec6508d9da738 /pod/perllocale.pod
parent414f2397630ba3cde103e64946616757ec49617f (diff)
downloadperl-de108802002fd7758d661282179febed13a1e304.tar.gz
cmp() compares chars, not bytes.
p4raw-id: //depot/perl@16520
Diffstat (limited to 'pod/perllocale.pod')
-rw-r--r--pod/perllocale.pod12
1 files changed, 6 insertions, 6 deletions
diff --git a/pod/perllocale.pod b/pod/perllocale.pod
index bc7eecbfb8..e2ea04d9dc 100644
--- a/pod/perllocale.pod
+++ b/pod/perllocale.pod
@@ -99,11 +99,11 @@ C<LC_COLLATE>. sort() is also affected if used without an
explicit comparison function, because it uses C<cmp> by default.
B<Note:> C<eq> and C<ne> are unaffected by locale: they always
-perform a byte-by-byte comparison of their scalar operands. What's
+perform a char-by-char comparison of their scalar operands. What's
more, if C<cmp> finds that its operands are equal according to the
collation sequence specified by the current locale, it goes on to
-perform a byte-by-byte comparison, and only returns I<0> (equal) if the
-operands are bit-for-bit identical. If you really want to know whether
+perform a char-by-char comparison, and only returns I<0> (equal) if the
+operands are char-for-char identical. If you really want to know whether
two strings--which C<eq> and C<cmp> may consider different--are equal
as far as collation in the locale is concerned, see the discussion in
L<Category LC_COLLATE: Collation>.
@@ -497,7 +497,7 @@ first example is useful for natural text.
As noted in L<USING LOCALES>, C<cmp> compares according to the current
collation locale when C<use locale> is in effect, but falls back to a
-byte-by-byte comparison for strings that the locale says are equal. You
+char-by-char comparison for strings that the locale says are equal. You
can use POSIX::strcoll() if you don't want this fall-back:
use POSIX qw(strcoll);
@@ -522,9 +522,9 @@ efficiency by using POSIX::strxfrm() in conjunction with C<eq>:
if $xfrm_string eq strxfrm("mixed-case string");
strxfrm() takes a string and maps it into a transformed string for use
-in byte-by-byte comparisons against other transformed strings during
+in char-by-char comparisons against other transformed strings during
collation. "Under the hood", locale-affected Perl comparison operators
-call strxfrm() for both operands, then do a byte-by-byte
+call strxfrm() for both operands, then do a char-by-char
comparison of the transformed strings. By calling strxfrm() explicitly
and using a non locale-affected comparison, the example attempts to save
a couple of transformations. But in fact, it doesn't save anything: Perl