From eeb8cf00a41925fa61532e434e50ec9155501f12 Mon Sep 17 00:00:00 2001 From: Craig Small Date: Tue, 12 May 2020 19:30:28 +1000 Subject: [PATCH] watch: add additional notes about environment References: procps-ng/procps!62 commit d3e0ff5a0a1c6d123d270b822a828ff52ca8ecaf --- NEWS | 1 + watch.1 | 12 +++++++++++- watch.c | 2 +- 3 files changed, 13 insertions(+), 2 deletions(-) diff --git a/NEWS b/NEWS index 0f3146f9..fb83a672 100644 --- a/NEWS +++ b/NEWS @@ -10,6 +10,7 @@ procps-ng NEXT * top: ensure config file backward compatibility Debian #951335 * top: add command line 'e' for symmetry with 'E' issue #165 * vmstat: Wide mode gives wider proc columns merge #48 + * watch: Add environment variable for interval merge #62 procps-ng-3.3.16 ---------------- diff --git a/watch.1 b/watch.1 index 4d8ff96b..11b794a1 100644 --- a/watch.1 +++ b/watch.1 @@ -1,4 +1,4 @@ -.TH WATCH 1 "2018-03-03" "procps-ng" "User Commands" +.TH WATCH 1 "2020-05-12" "procps-ng" "User Commands" .SH NAME watch \- execute a program periodically, showing output fullscreen .SH SYNOPSIS @@ -101,6 +101,16 @@ failed, or command exited up on error. .TP .B other The watch will propagate command exit status as child exit status. +.SH ENVIRONMENT +The behaviour of +.B watch +is affected by the following environment variables. + +.TP +.B WATCH_INTERVAL +Update interval, follows the same rules as the +.B \-\-interval +command line option. .SH NOTES POSIX option processing is used (i.e., option processing stops at the first non\-option argument). This means that flags after diff --git a/watch.c b/watch.c index 8f290f50..057243b6 100644 --- a/watch.c +++ b/watch.c @@ -706,7 +706,7 @@ int main(int argc, char *argv[]) atexit(close_stdout); interval_string = getenv("WATCH_INTERVAL"); - if(interval_string != NULL) + if(interval_string != NULL) interval = strtod_nol_or_err(interval_string, _("Could not parse interval from WATCH_INTERVAL")); while ((optc = -- 2.40.0