[src/trunk]: src/external/historical/nawk/bin awk(1): Document /dev/stdin &c ...

[uwe <uwe%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2ca83a8eac90
branches:  trunk
changeset: 368325:2ca83a8eac90
user:      uwe <uwe%NetBSD.org@localhost>
date:      Tue Jul 05 16:21:35 2022 +0000

description:
awk(1): Document /dev/stdin &c magic names (NB: unrelated to fd(4))

diffstat:

 external/historical/nawk/bin/awk.1 |  15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diffs (29 lines):

diff -r 063b9d0436e0 -r 2ca83a8eac90 external/historical/nawk/bin/awk.1
--- a/external/historical/nawk/bin/awk.1        Tue Jul 05 15:56:42 2022 +0000
+++ b/external/historical/nawk/bin/awk.1        Tue Jul 05 16:21:35 2022 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: awk.1,v 1.24 2022/07/05 15:56:42 uwe Exp $
+.\"    $NetBSD: awk.1,v 1.25 2022/07/05 16:21:35 uwe Exp $
 .\"
 .\" Copyright (C) Lucent Technologies 1997
 .\" All Rights Reserved
@@ -344,6 +344,19 @@
 .Ar expr
 may be literal names or parenthesized expressions; identical string values in
 different statements denote the same open file.
+For that purpose file names
+.Pa /dev/stdin ,
+.Pa /dev/stdout ,
+and
+.Pa /dev/stderr
+refer to program's
+.Va stdin ,
+.Va stdout ,
+and
+.Va stderr
+respecively (and are unrelated to
+.Xr fd 4
+devices of the same names).
 .Ss Mathematical and Numeric Functions
 AWK has the following mathematical and numerical functions built-in:
 .Bl -tag -width Fn