12-06-2012
Shell script to calculate difference between 2 dates
shell script to calculate difference between 2 dates
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Hi there,
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2. Shell Programming and Scripting
Hi.,
After retrieving values from DB I have two datestamps in format:
12/01/2010:05:40:00 AM and 12/01/2010:06:00:00 PM.
general time format: MM/DD/YYYY:HH:MM:SS AM or PM
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4. Shell Programming and Scripting
I extract dates from the log file and need to calculate days between two dates. My dates are in yyyyMmmdd format. Example:
$d1=2011 Oct 21
$d2=2012 Feb 20
I need to calculate the number of days between $d2 and $d1. This is on Solaris.
Any ideas?
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5. Web Development
Is this code good for this purpose?
<?php
$date1 = mktime(0,0,0,01,01,1991);
$date2 = mktime(0,0,0,03,22,2012);
$diff = $date2 - $date1;
$days = $diff / (60*60*24);
echo ($days . "<br />");
?> (3 Replies)
Discussion started by: kovacsakos
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6. Shell Programming and Scripting
I wrote the day calculator also in bash. I would like to now, that is it good so?
#!/bin/bash
datum1=`date -d "1991/1/1" "+%s"`
datum2=`date "+%s"`
diff=$(($datum2-$datum1))
days=$(($diff/(60*60*24)))
echo $days
Thanks in advance for your help! (3 Replies)
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7. Shell Programming and Scripting
I want the difference between two following date using scripts in terms of no.of days. How I can accomplish this.
lastdate=Tue Nov 13 10:30:56 2012
currdate=Wed Dec 15 15:58:21 PAKST 2012
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9. Shell Programming and Scripting
Hi Guys,
Need a small help, how do i get the difference between two dates (in days) in KSH shell
My date is in mm/dd/YYYY format,
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DP(8) [nmh-1.5] DP(8)
NAME
dp - parse dates 822-style
SYNOPSIS
/usr/lib/mh/dp [-form formatfile] [-format string] [-width columns] [-version] [-help] dates ...
DESCRIPTION
Dp is a program that parses dates according to the ARPA Internet standard. It also understands many non-standard formats, such as those
produced by TOPS-20 sites and some UNIX sites using ctime(3). It is useful for seeing how nmh will interpret a date.
The dp program treats each argument as a single date, and prints the date out in the official 822-format. Hence, it is usually best to
enclose each argument in quotes for the shell.
To override the output format used by dp, the -format string or -format file switches are used. This permits individual fields of the
address to be extracted with ease. The string is simply a format string and the file is simply a format file. See mh-format(5) for the
details.
Here is the default format string used by dp:
%<(nodate{text})error: %{text}%|%(putstr(pretty{text}))%>
which says that if an error was detected, print the error, a `:', and the date in error. Otherwise, output the 822-proper format of the
date.
FILES
$HOME/.mh_profile The user profile
PROFILE COMPONENTS
None
SEE ALSO
ap(8), Standard for the Format of ARPA Internet Text Messages (RFC-822)
DEFAULTS
`-format' default as described above
`-width' default to the width of the terminal
CONTEXT
None
BUGS
The argument to the -format switch must be interpreted as a single token by the shell that invokes dp. Therefore, one must usually place
the argument to this switch inside quotes.
MH.6.8 11 June 2012 DP(8)