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Top Forums UNIX for Dummies Questions & Answers Copying part of a data file into another Post 302830009 by latsyrc on Sunday 7th of July 2013 09:32:42 PM
Old 07-07-2013
Quote:
Is this a homework assignment? If not, what is creating your input files?

What shell are you using?

Are all of the integers on a single line in your input files?

This is not a homework assignment. The integers are the number of days after a certain date and the data is not available for some days, so some days are missing. Its actually for a project I'm working on. I am creating a regression model using the data via ampl. Now, I would like to analyse just the data after certain date. So, I thought there must be an easy way to separate out the data I want, using UNIX.

I am using bash and there is one integer on a single line.
 

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lchage(8)						      System Manager's Manual							 lchage(8)

NAME
lchage - Display or change user password policy SYNOPSIS
lchage [OPTION]... user DESCRIPTION
Displays or allows changing password policy of user. OPTIONS
-d, --date=days Set the date of last password change to days after Jan 1 1970. -E, --expire=days Set the account expiration date to days after Jan 1 1970. Set days to -1 to disable account expiration. -i, --interactive Ask all questions when connecting to the user database, even if default answers are set up in libuser configuration. -I, --inactive=days Disable the account after days after password expires (after the user user is required to change the password). -l, --list Only list current user's policy and make no changes. -m, --mindays=days Require at least days days between password changes. Set days to 0 to disable this checking. -M, --maxdays=days Require changing the password after days since last password change. Set days to 99999 to disable this checking. -W, --warndays=days Start warning the user days before password expires (before the user is required to change the password). EXIT STATUS
The exit status is 0 on success, nonzero on error. libuser Jan 12 2005 lchage(8)
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