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authorArnold D. Robbins <arnold@skeeve.com>2018-06-11 20:35:02 +0300
committerArnold D. Robbins <arnold@skeeve.com>2018-06-11 20:35:02 +0300
commitc02d836a8cdfd0c26d56b4547dfef69a762a3576 (patch)
treeda2cafbd7381592eb818a41c16149c6debf04539 /doc/gawktexi.in
parent8885876b4479b55c45a580addeffe36a18c7d5e4 (diff)
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Small improvement in documentation of RS.
Diffstat (limited to 'doc/gawktexi.in')
-rw-r--r--doc/gawktexi.in7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index 4ac3133f..8ed19cbf 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -6371,6 +6371,13 @@ Using an unusual character such as @samp{/} is more likely to
produce correct behavior in the majority of cases, but there
are no guarantees. The moral is: Know Your Data.
+@command{gawk} allows @code{RS} to be a full regular expression
+(discussed shortly; @pxref{gawk split records}). Even so, using
+a regular expression metacharacter, such as @samp{.} as the single
+character in the value of @code{RS} has no special effect: it is
+treated literally. This is required for backwards compatibility with
+both Unix @command{awk} and with POSIX.
+
When using regular characters as the record separator,
there is one unusual case that occurs when @command{gawk} is
being fully POSIX-compliant (@pxref{Options}).