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author | Arnold D. Robbins <arnold@skeeve.com> | 2015-04-28 16:46:05 +0300 |
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committer | Arnold D. Robbins <arnold@skeeve.com> | 2015-04-28 16:46:05 +0300 |
commit | 6853b3e94c03194200c5a7c4450820a8eaa0920f (patch) | |
tree | 0e68baf9f5d687a0a3b6543f01522a56bf010279 /doc/gawktexi.in | |
parent | 020be4cb81b519a597acbf85e683cfb95993c2b9 (diff) | |
parent | b4ef28f58688cf3c3a5878c595b6582144ee2cf1 (diff) | |
download | egawk-6853b3e94c03194200c5a7c4450820a8eaa0920f.tar.gz egawk-6853b3e94c03194200c5a7c4450820a8eaa0920f.tar.bz2 egawk-6853b3e94c03194200c5a7c4450820a8eaa0920f.zip |
Merge branch 'master' into feature/regex-type
Diffstat (limited to 'doc/gawktexi.in')
-rw-r--r-- | doc/gawktexi.in | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/gawktexi.in b/doc/gawktexi.in index aa2a78f3..663353d4 100644 --- a/doc/gawktexi.in +++ b/doc/gawktexi.in @@ -4811,6 +4811,13 @@ Similarly, you may use @code{print} or @code{printf} statements in the @var{init} and @var{increment} parts of a @code{for} loop. This is another long-undocumented ``feature'' of Unix @command{awk}. +@command{gawk} lets you use the names of built-in functions that are +@command{gawk} extensions as the names of parameters in user-defined functions. +This is intended to ``future-proof'' old code that happens to use +function names added by @command{gawk} after the code was written. +Standard @command{awk} built-in functions, such as @code{sin()} or +@code{substr()} are @emph{not} shadowed in this way. + @end ignore @node Invoking Summary |