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UNIX and Linux Applications
How to find 'Day of week' in Linux system
Post 302331173 by rajinavaneethan on Saturday 4th of July 2009 09:42:07 AM
07-04-2009
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10 More Discussions You Might Find Interesting
1. Programming
Hi ,
I am working at Unix system,using c lang.
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For example :
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....
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Hi All,
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Hi all,
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In HP-UX the date command does not have the "-d" switch like some other *nixes do. I'm working a simple script to tell me, given the day, month and year what day of the week that falls on.
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Hi All,
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LEARN ABOUT OPENSOLARIS
langinfo.h
langinfo.h(3HEAD) Headers langinfo.h(3HEAD) NAME
langinfo.h, langinfo - language information constants SYNOPSIS
#include <langinfo.h> DESCRIPTION
The <langinfo.h> header contains the constants used to identify items of langinfo data (see nl_langinfo(3C)). The type of the constant, nl_item, is defined as described in <nl_types.h>. The following constants are defined. The entries under Category indicate in which setlocale(3C) category each item is defined. | | Constant | Category | Meaning ----------------+----------------+---------------------------------------- CODESET |LC_CTYPE |codeset name ----------------+----------------+---------------------------------------- D_T_FMT |LC_TIME |string for formatting date and time ----------------+----------------+---------------------------------------- D_FMT |LC_TIME |date format string ----------------+----------------+---------------------------------------- T_FMT |LC_TIME |time format string ----------------+----------------+---------------------------------------- T_FMT_AMPM |LC_TIME |a.m. or p.m. time format string ----------------+----------------+---------------------------------------- AM_STR |LC_TIME |ante-meridiem affix ----------------+----------------+---------------------------------------- PM_STR |LC_TIME |post-meridiem affix ----------------+----------------+---------------------------------------- DAY_1 |LC_TIME |name of the first day of the week (for | |example, Sunday) ----------------+----------------+---------------------------------------- DAY_2 |LC_TIME |name of the second day of the week (for | |example, Monday) ----------------+----------------+---------------------------------------- DAY_3 |LC_TIME |name of the third day of the week (for | |example, Tuesday) ----------------+----------------+---------------------------------------- DAY_4 |LC_TIME |name of the fourth day of the week (for | |example, Wednesday) ----------------+----------------+---------------------------------------- DAY_5 |LC_TIME |name of the fifth day of the week (for | |example, Thursday) ----------------+----------------+---------------------------------------- DAY_6 |LC_TIME |name of the sixth day of the week (for | |example, Friday) ----------------+----------------+---------------------------------------- DAY_7 |LC_TIME |name of the seventh day of the week | |(for example, Saturday) ----------------+----------------+---------------------------------------- ABDAY_1 |LC_TIME |abbreviated name of the first day of | |the week ----------------+----------------+---------------------------------------- ABDAY_2 |LC_TIME |abbreviated name of the second day of | |the week ----------------+----------------+---------------------------------------- ABDAY_3 |LC_TIME |abbreviated name of the third day of | |the week ----------------+----------------+---------------------------------------- ABDAY_4 |LC_TIME |abbreviated name of the fourth day of | |the week ----------------+----------------+---------------------------------------- ABDAY_5 |LC_TIME |abbreviated name of the fifth day of | |the week ----------------+----------------+---------------------------------------- ABDAY_6 |LC_TIME |abbreviated name of the seventh day of | |the week ----------------+----------------+---------------------------------------- ABDAY_7 |LC_TIME |abbreviated name of the seventh day of | |the week ----------------+----------------+---------------------------------------- MON_1 |LC_TIME |name of the first month of the year ----------------+----------------+---------------------------------------- MON_2 |LC_TIME |name of the second month ----------------+----------------+---------------------------------------- MON_3 |LC_TIME |name of the third month ----------------+----------------+---------------------------------------- MON_4 |LC_TIME |name of the fourth month ----------------+----------------+---------------------------------------- MON_5 |LC_TIME |name of the fifth month ----------------+----------------+---------------------------------------- MON_6 |LC_TIME |name of the sixth month ----------------+----------------+---------------------------------------- MON_7 |LC_TIME |name of the seventh month ----------------+----------------+---------------------------------------- MON_8 |LC_TIME |name of the eighth month ----------------+----------------+---------------------------------------- MON_9 |LC_TIME |name of the ninth month ----------------+----------------+---------------------------------------- MON_10 |LC_TIME |name of the tenth month ----------------+----------------+---------------------------------------- MON_11 |LC_TIME |name of the eleventh month ----------------+----------------+---------------------------------------- MON_12 |LC_TIME |name of the twelfth month ----------------+----------------+---------------------------------------- ABMON_1 |LC_TIME |abbreviated name of the first month ----------------+----------------+---------------------------------------- ABMON_2 |LC_TIME |abbreviated name of the second month ----------------+----------------+---------------------------------------- ABMON_3 |LC_TIME |abbreviated name of the third month ----------------+----------------+---------------------------------------- ABMON_4 |LC_TIME |abbreviated name of the fourth month ----------------+----------------+---------------------------------------- ABMON_5 |LC_TIME |abbreviated name of the fifth month ----------------+----------------+---------------------------------------- ABMON_6 |LC_TIME |abbreviated name of the sixth month ----------------+----------------+---------------------------------------- ABMON_7 |LC_TIME |abbreviated name of the seventh month ----------------+----------------+---------------------------------------- ABMON_8 |LC_TIME |abbreviated name of the eighth month ----------------+----------------+---------------------------------------- ABMON_9 |LC_TIME |abbreviated name of the ninth month ----------------+----------------+---------------------------------------- ABMON_10 |LC_TIME |abbreviated name of the tenth month ----------------+----------------+---------------------------------------- ABMON_11 |LC_TIME |abbreviated name of the eleventh month ----------------+----------------+---------------------------------------- ABMON_12 | LC_TIME |abbreviated name of the twelfth month ----------------+----------------+---------------------------------------- ERA |LC_TIME |era description segments ----------------+----------------+---------------------------------------- ERA_D_FMT |LC_TIME |era date format string ----------------+----------------+---------------------------------------- ERA_D_T_FMT |LC_TIME |era date and time format string ----------------+----------------+---------------------------------------- ERA_T_FMT |LC_TIME |era time format string ----------------+----------------+---------------------------------------- ALT_DIGITS |LC_TIME |alternative symbols for digits ----------------+----------------+---------------------------------------- RADIXCHAR |LC_NUMERIC |radix character ----------------+----------------+---------------------------------------- THOUSEP |LC_NUMERIC |separator for thousands ----------------+----------------+---------------------------------------- YESEXPR |LC_MESSAGES |affirmative response expression ----------------+----------------+---------------------------------------- NOEXPR |LC_MESSAGES |negative response expression ----------------+----------------+---------------------------------------- YESSTR |LC_MESSAGES |affirmative response for yes/no queries ----------------+----------------+---------------------------------------- NOSTR |LC_MESSAGES |negative response ro yes/no queries ----------------+----------------+---------------------------------------- CRNCYSTR |LC_MONETARY |local currency symbol, preceded by '-' | |if the symbol sould appear before the | |value, '+' if the symbol should appear | |after the value, or '.' if the symbol | |should replace the radix character If the locale's values for p_cs_precedes and n_cs_precedes do not match, the value of nl_langinfo(CRNCYSTR) is unspecified. The <langinfo.h> header declares the following as a function: char *nl_langinfo(nl_item); Inclusion of <langinfo.h> header may also make visible all symbols from <nl_types.h>. USAGE
Wherever possible, users are advised to use functions compatible with those in the ISO C standard to access items of langinfo data. In par- ticular, the strftime(3C) function should be used to access date and time information defined in category LC_TIME. The localeconv(3C) func- tion should be used to access information corresponding to RADIXCHAR, THOUSEP, and CRNCYSTR. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
mkmsgs(1), localeconv(3C), nl_langinfo(3C), nl_types.h(3HEAD), setlocale(3C), strftime(3C), attributes(5), standards(5) SunOS 5.11 30 Aug 2002 langinfo.h(3HEAD)