11-15-2012
Thanks for the replies. I should state, that this is just a fun exercise thing, it's not for production use.
The gist of the problem is can one tell the day of the week if given a valid date in a "one liner", using the posix shell, cal and awk in HP-UX?
perl is not allowed because it can be done easily in perl.
"One Liner" is defined to allow for previously set variables.
So my "script" above is just a test bed for my one liner.
I feel pretty good about it, and was hoping to see if anyone could break it with valid date input, before I submit it to my friend and tell him where he's taking me to lunch! (oh yeah ... lunch is riding on this one) :-)
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi all,
I would like to calculate the day of the week using a supplied date.
i.e. 20011012 = Day 5.
Any ideas?
Many thanks,
ligs (4 Replies)
Discussion started by: ligs
4 Replies
2. Programming
Hi ,
I am working at Unix system,using c lang.
I need c fun which return the day of the week .
For example :
0- Sunday.
1- Monday.
....
10x. (4 Replies)
Discussion started by: kamil
4 Replies
3. Shell Programming and Scripting
I need o get yesterday's day of week but im not exactly sure. the actual name is what i want. I can do it with numbers but im not sure with words. (3 Replies)
Discussion started by: rcunn87
3 Replies
4. UNIX for Dummies Questions & Answers
How to find the Day of the Week of the given Date using perl?
If I have a date in YYY--MM-DD format, how to find the DOW? Based on that, I need to find the following sunday.
Pls help. (5 Replies)
Discussion started by: deepakwins
5 Replies
5. HP-UX
Hi All,
I have date in string format 'YYYY-MM-DD'. I want to know day of the week for this date.
Example. For '2005-08-21' my script should return '0' or Sunday
For '2005-08-22' it should return '1' or Monday
I want piece of code for HP-UX korn shell.
Appreciate reply on this. (5 Replies)
Discussion started by: vpapaiya
5 Replies
6. UNIX and Linux Applications
Hi All,
I want to find a day of week for the Linux system.
can some one help me on this..
Thanks in advance,
Raji. (2 Replies)
Discussion started by: rajinavaneethan
2 Replies
7. Shell Programming and Scripting
Hi all, I am trying to get dow from cal using below script
#! /bin/bash
YEAR=`echo $1 | cut -c 1-4`
MONTH=`echo $1 | cut -c 5-6`
DAY=`echo $1 | cut -c 7-8`
for i in 1 2 3 4 5 6 7
do
dayofweek=`cal $MONTH $YEAR | awk '$i == $DAY {printf("%s","$i")}'`
echo $dayofweek... (4 Replies)
Discussion started by: bzylg
4 Replies
8. UNIX for Dummies Questions & Answers
I have been volunteered by my boss to be the sysadmin for our production redhat server. He asked me to tighten the security to avoid mishaps like "rm -f *" that occured not long ago.
Right now, we have 53 users sudo-ing into the machine and it is an audit nightmare. I am wondering if it... (15 Replies)
Discussion started by: alan
15 Replies
9. Shell Programming and Scripting
Hi everyone,
I have a shell script that merges many files down in to one, then removes unwanted lines, that part is working fine:
#!/bin/bash
FILES=/home/pi/temp/qbd/*
for f in $FILES
do
echo "Processing $f file..."
# take action on each file. $f store current file name
echo... (9 Replies)
Discussion started by: gjws
9 Replies
10. Shell Programming and Scripting
Hi All,
I have the below requirement ,
if i give the week number for ex 41 i need to get the date for Monday and thursday for this given week. my expected output is 13/10/2014 (Monday's date) and 16/10/2014 (Thursday's date)
I am using GNU LINUX .
Pls help me with your thoughts.
Thanks in... (7 Replies)
Discussion started by: mohanalakshmi
7 Replies
CAL(1) BSD General Commands Manual CAL(1)
NAME
cal -- displays a calendar
SYNOPSIS
cal [-smjy13] [[[day] month] year]
DESCRIPTION
Cal displays a simple calendar. If arguments are not specified, the current month is displayed. The options are as follows:
-1 Display single month output. (This is the default.)
-3 Display prev/current/next month output.
-s Display Sunday as the first day of the week.
-m Display Monday as the first day of the week.
-j Display Julian dates (days one-based, numbered from January 1).
-y Display a calendar for the current year.
-V Display version information and exit.
A single parameter specifies the year (1 - 9999) to be displayed; note the year must be fully specified: ``cal 89'' will not display a calen-
dar for 1989. Two parameters denote the month (1 - 12) and year. Three parameters denote the day (1-31), month and year, and the day will
be highlighted if the calendar is displayed on a terminal. If no parameters are specified, the current month's calendar is displayed.
A year starts on Jan 1. The first day of the week is determined by the locale.
The Gregorian Reformation is assumed to have occurred in 1752 on the 3rd of September. By this time, most countries had recognized the ref-
ormation (although a few did not recognize it until the early 1900's.) Ten days following that date were eliminated by the reformation, so
the calendar for that month is a bit unusual.
HISTORY
A cal command appeared in Version 6 AT&T UNIX.
OTHER VERSIONS
Several much more elaborate versions of this program exist, with support for colors, holidays, birthdays, reminders and appointments, etc.
For example, try the cal from http://home.sprynet.com/~cbagwell/projects.html or GNU gcal.
AVAILABILITY
The cal command is part of the util-linux-ng package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.
BSD
June 6, 1993 BSD