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Full Discussion: An other awk problem
Top Forums UNIX for Advanced & Expert Users An other awk problem Post 10927 by Jimbo on Sunday 25th of November 2001 10:00:38 AM
Old 11-25-2001
Nice code, Perderabo.

Here is an awk solution:
Code:
#!/bin/sh

year=$1
month=$2
week=$3
day=$4

export month week day

cal $month $year | cat -n |
awk -v m=$month -v w=$week -v d=$day \
   'BEGIN {split("Jan Feb ... Nov Dec",mo)
           split("Sun Mon Tue Wed Thu Fri Sat",dow)}
    NF>1&&$1==w+2 {
       if (d>=NF)
           print "non-existant day of week"
        else
           print dow[d+8-NF], mo[m], $(d+1)}'

You need to expand the month array where I have "...". I am assuming that when week 1 starts on Thursday, then Thursday would be day 1.

Output format is: Tue Nov 20

added code tags for readability --oombera
Last edited by oombera; 02-20-2004 at 12:41 PM..
Jimbo
 

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LEARN ABOUT SUNOS

cal

cal(1)								   User Commands							    cal(1)

NAME

       cal - display a calendar

SYNOPSIS

       cal [ [month] year]

DESCRIPTION

       The  cal  utility writes a Gregorian calendar to standard output. If the year operand is specified, a calendar for that year is written. If
       no operands are specified, a calendar for the current month is written.

OPERANDS

       The following operands are supported:

       month	Specify the month to be displayed, represented as a decimal integer from 1 (January) to 12 (December). The default is the  current
		month.

       year	Specify  the year for which the calendar is displayed, represented as a decimal integer from 1 to 9999. The default is the current
		year.

ENVIRONMENT VARIABLES

       See  environ(5) for descriptions of the following environment variables that affect the execution of cal: LANG, LC_ALL, LC_CTYPE,  LC_TIME,
       LC_MESSAGES, and NLSPATH.

       TZ	Determine the timezone used to calculate the value of the current month.

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       >0	An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWesu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       calendar(1), attributes(5), environ(5), standards(5)

NOTES

       An  unusual calendar is printed for September 1752. That is the month 11 days were skipped to make up for lack of leap year adjustments. To
       see this calendar, type:

       cal 9 1752

       The command cal 83 refers to the year 83, not 1983.

       The year is always considered to start in January.

SunOS 5.10							    1 Feb 1995								    cal(1)
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