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Full Discussion: Hour display format
Top Forums UNIX for Beginners Questions & Answers Hour display format Post 302977041 by V1l1h1 on Monday 11th of July 2016 02:42:44 PM
Old 07-11-2016
Hour display format

Hello Sir/Madam,

I'm using Putty utility to run a shell script. I found HOUR display in two positions in UNIX. Is it possible to display in four positions?

File name example: my file name is: HourlyData_20160708_1400.txt

I'm in the process of comparing current date and time with the file I receive..
my objective is to load the data from the file when date & time has a match

Please suggest how I can achieve that via UNIX shell scrip?


Regards,
Vani Sonti

---------- Post updated at 02:42 PM ---------- Previous update was at 01:08 PM ----------

as requested, here is my shell script ( ps: it's not tested yet )


Code:
#!/bin/sh
# Vani Sonti
# shell script date -  07/11/2016 
# commented field code has not been added to this script yet.. 
#fDt=  #- use awk function to trim date from the file name
#fTm= #-- use awk funciton to trim hour from the file name
# hour must be HHHH mode in order to match
dt=`date +"%Y%m%d"`
echo "$dt"
tm=`date +"%H"`
echo "$tm"
filenm = `HourlyData_20160708_1500.txt`
echo "$filenm"
while true
do
 if 
[[ $dt = $fDt && $tm = $fTm ]] then 
# call sqlloader process to parse the file
else
echo no matching file found 
fi


Last edited by V1l1h1; 07-11-2016 at 04:25 PM..
 

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DATE(1) 						      General Commands Manual							   DATE(1)

NAME
date - print or set the date and time SYNOPSIS
date [-qsu] [[MMDDYY]hhmm[ss]] [+format] OPTIONS
-q Read the date from stdin -s Set the time (implicit for -q or a date string) -u Print the date as GMT -t Use this number of seconds instead of current time EXAMPLES
date # Print the date and time date 0221921610 # Set date to Feb 21, 1992 at 4:10 p.m. DESCRIPTION
With the -q flag or a numeric argument, date sets the GMT time and date. MMDDYY refers to the month, day, and year; hhmmss refers to the hour, minute and second. Each of the six fields must be exactly two digits, no more and no less. date always display the date and time, with the default format for the system. The -u flag request GMT time instead of local time. A format may be specified with a + followed by a printf-like string with the following options: %% % character %A Name of the day %B Name of the month %D mm/dd/yy %H Decimal hour on 2 digits %I Decimal hour modulo 12 on 2 digits %M Decimal minute on 2 digits %S Decimal seconds on 2 digits %T HH:MM:SS %U Decimal week number, Sunday being first day of week %W Decimal week number, Monday being first day of week %X Same as %T %Y Decimal year on 4 digits %Z Time Zone (if any) %a Abbreviated name of the day %b Abbreviated name of the month %c Appropriate date & time (default format) %d Decimal day of the month on 2 digits %e Same as %d, but a space replaces leading 0 %h Same as %b %j Decimal dey of the year on 3 digits %m Decimal month on 2 digits %n Newline character %p AM or PM %r 12-hour clock time with AM/PM %s Number of seconds since the epoch %t Tab character %w Decimal day of the week (0=Sunday) %x Same as %D %y Decimal year on 2 digits SEE ALSO
time(2), ctime(3), readclock(8). DATE(1)
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