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Diffstat (limited to 'doc/gawk.texi')
| -rw-r--r-- | doc/gawk.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/gawk.texi b/doc/gawk.texi index 6e8c0f89..54b21680 100644 --- a/doc/gawk.texi +++ b/doc/gawk.texi @@ -6588,6 +6588,13 @@ 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}). |