09-16-2009
Reading text file and comparing the dates in Kshell
I have a text file in which holidays are listed as YYYYMMDD. Here is the sample data of the file.
20090911
20090912
20090913
I need to read this file and see if the current day is listed in this text file. If today and any of the rows in my text file match, I need to do further processing. I am not sure how to compare the current day with the data from my text file. The code below is not working well as it Prints “today is a holiday”. I know this piece of code is working
(if $(date "+%G%m%d") = ${line_by_line})
Can someone help me with this? Please see my code below.
Thanks.
Pramodini
#!/usr/bin/ksh
. ~/.profile
while read line_by_line
do
if $(date "+%G%m%d") = ${line_by_line}
then
print "Today is not a holiday"
else
print "Today is a holiday"
fi
done < holidays.txt
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LEARN ABOUT MOJAVE
holidays
holidays(4) File Formats holidays(4)
NAME
holidays - prime/nonprime table for the accounting system
SYNOPSIS
/etc/acct/holidays
DESCRIPTION
The /etc/acct/holidays file describes which hours are considered prime time and which days are holidays. Holidays and weekends are con-
sidered non-prime time hours. /etc/acct/holidays is used by the accounting system.
All lines beginning with an "*" are comments.
The /etc/acct/holidays file consists of two sections. The first non-comment line defines the current year and the start time of prime and
non-prime time hours, in the form:
current_year prime_start non_prime_start
The remaining non-comment lines define the holidays in the form:
month/day company_holiday
Of these two fields, only the month/day is actually used by the accounting system programs.
The /etc/acct/holidays file must be updated each year.
EXAMPLES
Example 1: Example of the /etc/acct/holidays file.
The following is an example of the /etc/acct/holidays file:
* Prime/Nonprime Table for the accounting system
*
* Curr Prime Non-Prime
* Year Start Start
*
1991 0830 1800
*
* only the first column (month/day) is significant.
*
* month/day Company Holiday
*
1/1 New Years Day
5/30 Memorial Day
7/4 Indep. Day
9/5 Labor Day
11/24 Thanksgiving Day
11/25 day after Thanksgiving
12/25 Christmas
12/26 day after Christmas
SEE ALSO
acct(1M)
SunOS 5.10 28 Mar 1991 holidays(4)