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Full Discussion: Time comparison
Top Forums Shell Programming and Scripting Time comparison Post 302281440 by rdhaprakasam on Wednesday 28th of January 2009 11:54:31 PM
Old 01-29-2009
Time comparison

hi friends,
I am new to shell scripting and i am using KSH shell .I would like to automate our daily routine manual tasks .first i ll explain the situation .I will list out the contents of directory named "log" using "ls " and verify whether all the listed files time differences is not more than 30 minutes.if not, i will send the mail. Now , i need to automate this . i think i can take the time[for eg: 00:00 ,00:30,01:00,01:30....23:00] alone by using "awk" command or "date" function how can i compare the time values because i am having approximately[not exactly] 48 files[24/0.5] per day i need to check the time difference between above 48 files[for every 30 minutes once one file will be created ] .based on that i will do some other tasks...

My time stamp is "Jan 28 18:48"

Eg: ls -l log
file 1 00:30 file 2 - file 1 is 30 minutes
file 2 01:00
file 3 01:30 file 3 - file 2 is 30 minutes

can anyone help me ? Thanks in advance .....

Last edited by rdhaprakasam; 01-29-2009 at 07:33 PM..
 

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sttime(3)						    ShapeTools Toolkit Library							 sttime(3)

NAME
stMktime, stWriteTime - date and time handling SYNOPSIS
#include <config.h> #include <sttk.h.h> time_tstMktime (char *string); char*stWriteTime (time_t date); DESCRIPTION
stMktime scans the given string and tries to read a date and time from it. It understands various formats of date strings. The following is a list of all valid formats, optional parts in brackets. [Tue] Jan 5[,] [19]93 This includes the standard asctime(3) format. Jan 5 With no year given, the year defaults to the current year. [19]93/01/05 This notation requires month and day represented by exactly two digits. 5.1.[19]93 This is the usual German notation. 5.1. German notation referencing the current year. A certain time, given together with the date must always have the following form. hours:minutes[:seconds] Each of the fields must be an integer value within the proper range (hours: 0-23, minutes and seconds: 0-59). Values below 10 may be written as one digit numbers. The time value may be placed anywhere in the date string: at the beginning, at the end, or somewhere in the middle. Any amount of white- space may be given between a field of the time value and the separating colon. The time is always considered to be local time. stWriteTime generates a time string similar to asctime(3) from its date argument. SEE ALSO
asctime(3) BUGS
Time Zone Names within the time string (like `MET') are not handled properly. In most cases they will cause a failure. sttk-1.7 Thu Jun 24 17:43:35 1993 sttime(3)
All times are GMT -4. The time now is 01:56 AM.
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