Bourne returning files based on creation date Post: 302979655

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Top Forums Shell Programming and Scripting Bourne returning files based on creation date Post 302979655 by britty4 on Wednesday 17th of August 2016 11:45:52 AM

08-17-2016

Registered User

Bourne returning files based on creation date

I'm wanting to write a bourne shell script that takes in two command line arguments - a directory and a file. With this I want to return a list of files within the directory that are older (based on creation date) than the given file, and print the number of files that have not been listed (they are newer than the given file).
I've never used bourne before so I'm hoping someone could help me out with a few tips on how I'd go about this. I've been thinking it will need an if statement that will separate those older files from the newer ones and update a count of the newer ones? But I'm unsure about how to work with the dates and such.

I've written a little mock up, that I know isn't correct but would something like this come anywhere close to working?

Code:

#!/bin/sh

directory = $1
file = $2
count = 0

for f in $directory
do
    if [ "$f" –ot "$file"]; then
	echo "$f"
	count='expr $count + 1'
    fi
done

echo "There are $x newer files"

Any help would be greatly appreciated!
Thanks!

Last edited by britty4; 08-17-2016 at 01:11 PM..

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false

true(1) 						      General Commands Manual							   true(1)

NAME

       true, false - Returns a standard exit value

SYNOPSIS

       true

       false

STANDARDS

       Interfaces documented on this reference page conform to industry standards as follows:

       true:  XCU5.0

       false:  XCU5.0

       Refer to the standards(5) reference page for more information about industry standards and associated tags.

DESCRIPTION

       The true command returns a 0 (zero) exit value. The false command returns a nonzero exit value. These commands are usually used in input to
       shell commands.

NOTES

       The special built-in utility : (colon) is sometimes more efficient than the true command.

EXIT STATUS

       [Tru64 UNIX]  The nonzero value returned by the false command may vary from system to system.

EXAMPLES

       To construct a loop in a shell procedure, enter: while true do	   date      sleep 60 done

       This procedure displays the date and time once a minute.  To stop it, press the Interrupt key sequence.

SEE ALSO

       Commands:  csh(1), ksh(1), Bourne Shell sh(1b), POSIX shell sh(1p)

       Standards:  standards(5)

																	   true(1)