aboutsummaryrefslogtreecommitdiffstats
path: root/doc/gawktexi.in
diff options
context:
space:
mode:
Diffstat (limited to 'doc/gawktexi.in')
-rw-r--r--doc/gawktexi.in6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index 758fe14a..391405e4 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -14225,6 +14225,12 @@ 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