0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
117 lines
2.9 KiB
Groff
117 lines
2.9 KiB
Groff
.\" $NetBSD: tzselect.8,v 1.6 2014/08/15 11:04:07 christos Exp $
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.\"
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.TH TZSELECT 8
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.SH NAME
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tzselect \- select a time zone
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.SH SYNOPSIS
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.ie \n(.g .ds - \f(CW-\fP
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.el ds - \-
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.B tzselect
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[
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.B \*-c
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.I coord
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] [
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.B \*-n
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.I limit
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] [
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.B \*-\*-help
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] [
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.B \*-\*-version
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]
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.SH DESCRIPTION
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The
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.B tzselect
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program asks the user for information about the current location,
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and outputs the resulting time zone description to standard output.
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The output is suitable as a value for the TZ environment variable.
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.PP
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All interaction with the user is done via standard input and standard error.
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.SH OPTIONS
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.TP
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.BI "\*-c " coord
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Instead of asking for continent and then country and then city,
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ask for selection from time zones whose largest cities
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are closest to the location with geographical coordinates
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.I coord.
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Use ISO 6709 notation for
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.I coord,
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that is, a latitude immediately followed by a longitude. The latitude
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and longitude should be signed integers followed by an optional
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decimal point and fraction: positive numbers represent north and east,
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negative south and west. Latitudes with two and longitudes with three
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integer digits are treated as degrees; latitudes with four or six and
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longitudes with five or seven integer digits are treated as
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.I "DDMM, DDDMM, DDMMSS,"
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or
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.I DDDMMSS
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representing
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.I DD
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or
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.I DDD
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degrees,
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.I MM
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minutes,
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and zero or
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.I SS
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seconds, with any trailing fractions represent fractional minutes or
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(if
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.I SS
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is present) seconds. The decimal point is that of the current locale.
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For example, in the (default) C locale,
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.B "\*-c\ +40.689\*-074.045"
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specifies 40.689\(de\|N, 74.045\(de\|W,
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.B "\*-c\ +4041.4\*-07402.7"
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specifies 40\(de\|41.4\(fm\|N, 74\(de\|2.7\(fm\|W, and
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.B "\*-c\ +404121\*-0740240"
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specifies 40\(de\|41\(fm\|21\(sd\|N, 74\(de\|2\(fm\|40\(sd\|W.
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If
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.I coord
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is not one of the documented forms, the resulting behavior is unspecified.
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.TP
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.BI "\*-n " limit
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When
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.B \*-c
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is used, display the closest
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.I limit
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locations (default 10).
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.TP
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.B "\*-\*-help"
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Output help information and exit.
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.TP
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.B "\*-\*-version"
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Output version information and exit.
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.SH "ENVIRONMENT VARIABLES"
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.TP
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\f3AWK\fP
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Name of a Posix-compliant
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.I awk
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program (default:
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.BR awk ).
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.TP
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\f3TZDIR\fP
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Name of the directory containing time zone data files (default:
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.BR /usr/local/etc/zoneinfo ).
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.SH FILES
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.TP
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\f2TZDIR\fP\f3/iso3166.tab\fP
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Table of ISO 3166 2-letter country codes and country names.
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.TP
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\f2TZDIR\fP\f3/zone1970.tab\fP
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Table of country codes, latitude and longitude, zone names, and
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descriptive comments.
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.TP
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\f2TZDIR\fP\f3/\fP\f2TZ\fP
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Time zone data file for time zone \f2TZ\fP.
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.SH "EXIT STATUS"
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The exit status is zero if a time zone was successfully obtained from the user,
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nonzero otherwise.
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.SH "SEE ALSO"
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newctime(3), tzfile(5), zdump(8), zic(8)
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.SH NOTES
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Applications should not assume that
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.BR tzselect 's
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output matches the user's political preferences.
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.\" @(#)tzselect.8 8.2
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.\" This file is in the public domain, so clarified as of
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.\" 2009-05-17 by Arthur David Olson.
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