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| author | Arnold D. Robbins <arnold@skeeve.com> | 2014-11-23 20:02:53 +0200 |
|---|---|---|
| committer | Arnold D. Robbins <arnold@skeeve.com> | 2014-11-23 20:02:53 +0200 |
| commit | 723446ecab4a6c88ff129d61e360f70bf17a718b (patch) | |
| tree | d266d2756c369448a855c567ff55846511dd63fc /doc/gawk.texi | |
| parent | 0b07960513cbb8aa76b6f301b23cf73b5b2019c7 (diff) | |
| download | egawk-723446ecab4a6c88ff129d61e360f70bf17a718b.tar.gz egawk-723446ecab4a6c88ff129d61e360f70bf17a718b.tar.bz2 egawk-723446ecab4a6c88ff129d61e360f70bf17a718b.zip | |
Update doc on environment vars.
Diffstat (limited to 'doc/gawk.texi')
| -rw-r--r-- | doc/gawk.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/gawk.texi b/doc/gawk.texi index 00f2fa5c..7c9beae6 100644 --- a/doc/gawk.texi +++ b/doc/gawk.texi @@ -14896,6 +14896,12 @@ that it creates. You should therefore be especially careful if you modify @code{ENVIRON["PATH"]"}, which is the search path for finding executable programs. +This can also affect the running @command{gawk} program, since some of the +built-in functions may pay attention to certain environment variables. +The most notable instance of this is @code{mktime()} (@pxref{Time +Functions}), which pays attention the value of the @env{TZ} environment +variable on many systems. + Some operating systems may not have environment variables. On such systems, the @code{ENVIRON} array is empty (except for @w{@code{ENVIRON["AWKPATH"]}} and |