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[src/trunk]: src/usr.sbin/envstat Add option -n to print only the value of a ...
details: https://anonhg.NetBSD.org/src/rev/ccaa12832499
branches: trunk
changeset: 946036:ccaa12832499
user: mlelstv <mlelstv%NetBSD.org@localhost>
date: Sat Nov 14 16:32:53 2020 +0000
description:
Add option -n to print only the value of a sensor.
If statistics are selected with -T, then also display max, min and average.
The empty line between each display is skipped when one or more sensors are
selected with -s.
diffstat:
usr.sbin/envstat/envstat.8 | 9 +-
usr.sbin/envstat/envstat.c | 198 +++++++++++++++++++++++++-------------------
2 files changed, 118 insertions(+), 89 deletions(-)
diffs (truncated from 493 to 300 lines):
diff -r d704aa85a2ba -r ccaa12832499 usr.sbin/envstat/envstat.8
--- a/usr.sbin/envstat/envstat.8 Sat Nov 14 16:09:08 2020 +0000
+++ b/usr.sbin/envstat/envstat.8 Sat Nov 14 16:32:53 2020 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: envstat.8,v 1.64 2020/11/14 12:36:49 mlelstv Exp $
+.\" $NetBSD: envstat.8,v 1.65 2020/11/14 16:32:53 mlelstv Exp $
.\"
.\" Copyright (c) 2000, 2007, 2008, 2009, 2014 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -35,7 +35,7 @@
.Nd utility to handle environmental sensors
.Sh SYNOPSIS
.Nm
-.Op Fl DfIklSTW
+.Op Fl DfIklnSTW
.Op Fl c Ar file
.Op Fl d Ar device
.Op Fl i Ar interval
@@ -106,6 +106,11 @@
Use of this flag causes
.Nm
to ignore all other option flags.
+.It Fl n
+Print only the current value of a sensor and no headers.
+If statistics are selected with
+.Fl T
+then also display max, min and average.
.It Fl r
This flag is provided for compatibility reasons and there's no need
to use it.
diff -r d704aa85a2ba -r ccaa12832499 usr.sbin/envstat/envstat.c
--- a/usr.sbin/envstat/envstat.c Sat Nov 14 16:09:08 2020 +0000
+++ b/usr.sbin/envstat/envstat.c Sat Nov 14 16:32:53 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: envstat.c,v 1.99 2020/11/14 12:36:49 mlelstv Exp $ */
+/* $NetBSD: envstat.c,v 1.100 2020/11/14 16:32:53 mlelstv Exp $ */
/*-
* Copyright (c) 2007, 2008 Juan Romero Pardines.
@@ -27,7 +27,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: envstat.c,v 1.99 2020/11/14 12:36:49 mlelstv Exp $");
+__RCSID("$NetBSD: envstat.c,v 1.100 2020/11/14 16:32:53 mlelstv Exp $");
#endif /* not lint */
#include <stdio.h>
@@ -58,6 +58,7 @@
#define ENVSYS_IFLAG 0x00000010 /* skip invalid sensors */
#define ENVSYS_SFLAG 0x00000020 /* remove all properties set */
#define ENVSYS_TFLAG 0x00000040 /* make statistics */
+#define ENVSYS_NFLAG 0x00000080 /* print value only */
#define ENVSYS_KFLAG 0x00000100 /* show temp in kelvin */
/* Sensors */
@@ -130,7 +131,7 @@
setprogname(argv[0]);
- while ((c = getopt(argc, argv, "c:Dd:fIi:klrSs:Tw:Wx")) != -1) {
+ while ((c = getopt(argc, argv, "c:Dd:fIi:klnrSs:Tw:Wx")) != -1) {
switch (c) {
case 'c': /* configuration file */
configfile = optarg;
@@ -158,6 +159,9 @@
case 'l': /* list sensors */
flags |= ENVSYS_LFLAG;
break;
+ case 'n': /* print value only */
+ flags |= ENVSYS_NFLAG;
+ break;
case 'r':
/*
* This flag is noop.. it's only here for
@@ -577,7 +581,7 @@
rval = check_sensors(sensors);
if ((flags & ENVSYS_LFLAG) == 0 && (flags & ENVSYS_DFLAG) == 0)
print_sensors();
- if (interval)
+ if (interval && ((flags & ENVSYS_NFLAG) == 0 || sensors == NULL))
(void)printf("\n");
out:
@@ -856,6 +860,9 @@
double temp = 0;
const char *invalid = "N/A", *degrees, *tmpstr, *stype;
const char *a, *b, *c, *d, *e, *units;
+ const char *sep;
+ int flen;
+ bool nflag = (flags & ENVSYS_NFLAG) != 0;
tmpstr = stype = d = e = NULL;
@@ -888,21 +895,29 @@
e = "CritMin";
}
- if (!sensors || (!header_passes && sensors) ||
- (header_passes == 10 && sensors)) {
- if (statistics)
- (void)printf("%s%*s %9s %8s %8s %8s %6s\n",
- mydevname ? "" : " ", (int)maxlen,
- "", a, b, c, d, units);
- else
- (void)printf("%s%*s %9s %8s %8s %8s %8s %5s\n",
- mydevname ? "" : " ", (int)maxlen,
- "", a, b, c, d, e, units);
- if (sensors && header_passes == 10)
- header_passes = 0;
+ if (!nflag) {
+ if (!sensors || (!header_passes && sensors) ||
+ (header_passes == 10 && sensors)) {
+ if (statistics)
+ (void)printf("%s%*s %9s %8s %8s %8s %6s\n",
+ mydevname ? "" : " ", (int)maxlen,
+ "", a, b, c, d, units);
+ else
+ (void)printf("%s%*s %9s %8s %8s %8s %8s %5s\n",
+ mydevname ? "" : " ", (int)maxlen,
+ "", a, b, c, d, e, units);
+ if (sensors && header_passes == 10)
+ header_passes = 0;
+ }
+ if (sensors)
+ header_passes++;
+
+ sep = ":";
+ flen = 10;
+ } else {
+ sep = "";
+ flen = 1;
}
- if (sensors)
- header_passes++;
/* print the sensors */
SIMPLEQ_FOREACH(sensor, &sensors_list, entries) {
@@ -915,7 +930,7 @@
continue;
/* print device name */
- if (!mydevname) {
+ if (!nflag && !mydevname) {
if (tmpstr == NULL || strcmp(tmpstr, sensor->dvname))
printf("[%s]\n", sensor->dvname);
@@ -931,13 +946,16 @@
}
}
- /* print sensor description */
- (void)printf("%s%*.*s", mydevname ? "" : " ", (int)maxlen,
- (int)maxlen, sensor->desc);
+ if (!nflag) {
+ /* print sensor description */
+ (void)printf("%s%*.*s", mydevname ? "" : " ",
+ (int)maxlen,
+ (int)maxlen, sensor->desc);
+ }
/* print invalid string */
if (sensor->invalid) {
- (void)printf(": %9s\n", invalid);
+ (void)printf("%s%*s\n", sep, flen, invalid);
continue;
}
@@ -947,7 +965,8 @@
if ((strcmp(sensor->type, "Indicator") == 0) ||
(strcmp(sensor->type, "Battery charge") == 0)) {
- (void)printf(":%10s", sensor->cur_value ? "TRUE" : "FALSE");
+ (void)printf("%s%*s", sep, flen,
+ sensor->cur_value ? "TRUE" : "FALSE");
/* convert and print a temp value in degC, degF, or Kelvin */
#define PRINTTEMP(a) \
@@ -963,8 +982,8 @@
temp = temp - 273.15; \
degrees = "degC"; \
} \
- (void)printf("%*.3f ", (int)ilen, temp); \
- ilen = 8; \
+ (void)printf("%*.3f", (int)ilen, temp); \
+ ilen = 9; \
} else \
ilen += 9; \
} while (/* CONSTCOND */ 0)
@@ -972,9 +991,9 @@
/* temperatures */
} else if (strcmp(sensor->type, "Temperature") == 0) {
- ilen = 10;
+ ilen = nflag ? 1 : 10;
degrees = "";
- (void)printf(":");
+ (void)printf("%s",sep);
PRINTTEMP(sensor->cur_value);
stype = degrees;
@@ -984,51 +1003,52 @@
PRINTTEMP(stats->min);
PRINTTEMP(stats->avg);
ilen += 2;
- } else {
+ } else if (!nflag) {
PRINTTEMP(sensor->critmax_value);
PRINTTEMP(sensor->warnmax_value);
PRINTTEMP(sensor->warnmin_value);
PRINTTEMP(sensor->critmin_value);
}
- (void)printf("%*s", (int)ilen - 3, stype);
+ if (!nflag)
+ (void)printf("%*s", (int)ilen - 3, stype);
#undef PRINTTEMP
/* fans */
} else if (strcmp(sensor->type, "Fan") == 0) {
stype = "RPM";
- (void)printf(":%10u ", sensor->cur_value);
+ (void)printf("%s%*u", sep, flen, sensor->cur_value);
ilen = 8;
if (statistics) {
/* show statistics if flag set */
- (void)printf("%8u %8u %8u ",
+ (void)printf(" %8u %8u %8u",
stats->max, stats->min, stats->avg);
ilen += 2;
- } else {
+ } else if (!nflag) {
if (sensor->critmax_value) {
- (void)printf("%*u ", (int)ilen,
+ (void)printf(" %*u", (int)ilen,
sensor->critmax_value);
ilen = 8;
} else
ilen += 9;
if (sensor->warnmax_value) {
- (void)printf("%*u ", (int)ilen,
+ (void)printf(" %*u", (int)ilen,
sensor->warnmax_value);
ilen = 8;
} else
ilen += 9;
if (sensor->warnmin_value) {
- (void)printf("%*u ", (int)ilen,
+ (void)printf(" %*u", (int)ilen,
sensor->warnmin_value);
ilen = 8;
} else
ilen += 9;
if (sensor->critmin_value) {
- (void)printf( "%*u ", (int)ilen,
+ (void)printf( " %*u", (int)ilen,
sensor->critmin_value);
ilen = 8;
} else
@@ -1036,14 +1056,15 @@
}
- (void)printf("%*s", (int)ilen - 3, stype);
+ if (!nflag)
+ (void)printf(" %*s", (int)ilen - 3, stype);
/* integers */
} else if (strcmp(sensor->type, "Integer") == 0) {
stype = "none";
- (void)printf(":%10d ", sensor->cur_value);
+ (void)printf("%s%*d", sep, flen, sensor->cur_value);
ilen = 8;
@@ -1051,7 +1072,7 @@
#define PRINTPCT(a) \
do { \
if (sensor->max_value) { \
- (void)printf("%*.3f%%", (int)ilen, \
+ (void)printf(" %*.3f%%", (int)ilen, \
((a) * 100.0) / sensor->max_value); \
ilen = 8; \
} else \
@@ -1061,11 +1082,22 @@
/* Print an integer sensor value */
#define PRINTINT(a) \
do { \
- (void)printf("%*u ", (int)ilen, (a)); \
+ (void)printf(" %*u", (int)ilen, (a)); \
ilen = 8; \
} while ( /* CONSTCOND*/ 0 )
- if (!statistics) {
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