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Top Forums Shell Programming and Scripting Linux Script to compare two folders and copy missing files Post 302707235 by S.Praveen Kumar on Friday 28th of September 2012 08:40:52 AM
Old 09-28-2012
Linux Script to compare two folders and copy missing files

Hi,

I need help in shell scripting. If someone can help me, that would be great!

Problem. I want Linux Script to compare two folders and copy missing files.

Description.
I have two directories

/dir1
/dir2

I need to copy all distinct/new/unique/missing files from /dir1 and that does not have a correspondent file in /dir2. Condition is , It should only check files 2 days old specified in File pattern below.

ex:
/dir1 Files.

filetoTest_20120923.tar.gz
filetoTestAndCopy_20120922.tar.gz
filetoRead_20120925 (This file does not have any extension)
filetoTest_20120918.tar.gz
filetoTestAndCopy_20120925.tar.gz
filetoRead_20120927
filetoTestAndCopy_20120927.tar.gz

Now, files in /dir2/

filetoTest_20120923.tar.gz
filetoTestAndCopy_20120922.tar.gz
filetoRead_20120925 (This file does not have any extension)
filetoTest_20120918.tar.gz


Thus, the script should run and copy the files
filetoRead_20120927
filetoTestAndCopy_20120927.tar.gz

from dir1 to dir2. (Two days old)


Thanks in advance for the help.
 

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SCRIPT(1)						    BSD General Commands Manual 						 SCRIPT(1)

NAME
script -- make typescript of terminal session SYNOPSIS
script [-a] [-f] [-q] [-t] [file] DESCRIPTION
Script makes a typescript of everything printed on your terminal. It is useful for students who need a hardcopy record of an interactive session as proof of an assignment, as the typescript file can be printed out later with lpr(1). If the argument file is given, script saves all dialogue in file. If no file name is given, the typescript is saved in the file typescript. Options: -a Append the output to file or typescript, retaining the prior contents. -f Flush output after each write. This is nice for telecooperation: One person does `mkfifo foo; script -f foo' and another can super- vise real-time what is being done using `cat foo'. -q Be quiet. -t Output timeing data to standard error. This data contains two fields, separated by a space. The first field indicates how much time elapsed since the previous output. The second field indicates how many characters were output this time. This information can be used to replay typescripts with realistic typing and output delays. The script ends when the forked shell exits (a control-D to exit the Bourne shell (sh(1)), and exit, logout or control-d (if ignoreeof is not set) for the C-shell, csh(1)). Certain interactive commands, such as vi(1), create garbage in the typescript file. Script works best with commands that do not manipulate the screen, the results are meant to emulate a hardcopy terminal. ENVIRONMENT
The following environment variable is utilized by script: SHELL If the variable SHELL exists, the shell forked by script will be that shell. If SHELL is not set, the Bourne shell is assumed. (Most shells set this variable automatically). SEE ALSO
csh(1) (for the history mechanism), replay(1). HISTORY
The script command appeared in 3.0BSD. BUGS
Script places everything in the log file, including linefeeds and backspaces. This is not what the naive user expects. Linux July 30, 2000 Linux
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