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Full Discussion: Date comparison
Top Forums UNIX for Dummies Questions & Answers Date comparison Post 302901884 by ygemici on Friday 16th of May 2014 07:54:51 AM
Old 05-16-2014
Quote:
Originally Posted by stew
I have below txt file


Code:
02.05.2014
10.05.2014
17.09.2014

My requirement is the user enter date field should compare the input file

if user enter date as 12.03.2013 it should compare with all date one by one from input file

Code:
12.03.2013 -ne 02.05.2014
12.03.2013 -ne 10.05.2014
12.03.2013 -ne 17.09.2014

if matches it should process else it should throw an error.

I tried the below code

Code:
#!/bin/ksh
echo "Please enter  start date:"
read startdate
#/usr/xpg4/bin/awk -F, '{print $1}' inputfile >> file
if[[${startdate} -ne $(awk -F, '{print $1}' file)]]
then
echo "date is not valid"
fi

the code is not comparing row by row
try this Smilie

Code:
#!/bin/ksh
echo "Please enter  start date:"
read startdate
correctdate=$(echo $startdate|sed 's/[^0-9][^0-9]*/\./g')
awk -vd="$correctdate" '$1==d{print "equal-Line Number " NR;x=1}
END{if(!x)print "date is not valid"}' your.txt

Code:
# ./code
Please enter  start date:
5/5/5
date is not valid

# ./code
Please enter  start date:
10.05.2014
equal-Line Number 2

regards
ygemici
 

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sortm(1mh)																sortm(1mh)

Name
       sortm - sort messages

Syntax
       sortm [ msgs ] [ +folder ] [ options ]

Description
       The command sorts all the messages in the current folder into chronological order according to the contents of the Date: fields of the mes-
       sages.

       By default, sorts all the messages in the current folder.  You can select particular messages in the folder by giving a range of  messages.
       You can also sort messages in another folder by specifying the folder name.

       If  encounters  a  message without a Date: field, or if the message has a Date: field that cannot parse, it attempts to keep the message in
       the same relative position.  However, this does not always work; for instance, if the first message encountered lacks a date which  can	be
       parsed, then it will usually be placed at the end of the messages being sorted.

       When complains about a message which it cannot order, it complains about the message number prior to sorting.

Options
       -datefield field
		 Specifies the name of the header field to use when making the date comparison.  If you have a special field in each message, such
		 as Delivery-Date:, then the -datefield switch can be used to tell which field to examine.  If you do not give	this  option,  the
		 default is to use the Date: header field.

       -help	 Prints a list of all the valid options to this command.

       -verbose
       -noverbose
		 Displays the general actions that it is taking to place the folder in sorted order.  The -noverbose option performs these actions
		 silently.  The default is -noverbose.

       The default settings for this command are:

	      +folder defaults to the current folder
	      msgs defaults to all
	      -datefield date
	      -noverbose

Profile Components
       Path:   To determine your MH directory

Examples
       The following example sorts all the messages in the folder
       % sortm +meetings

       The next example sorts messages 10-30 in the folder called
       % sortm +test 10-30

Files
       The user profile.

See Also
       folder(1mh)

																	sortm(1mh)
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