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Full Discussion: Need last month files after 10th of every month
Top Forums Shell Programming and Scripting Need last month files after 10th of every month Post 302909733 by Don Cragun on Friday 18th of July 2014 04:56:26 PM
Old 07-18-2014
There seems to be a lot of complicated processing going on for something that seems pretty simple. I'm also not sure that I understand which files are to be moved. If you run your script on the last day of July, is it supposed to move files dated June 10-30, or files dated July 10-31?

I think you said you want to move June files if you run it in July, so try something like the following:
Code:
#!/bin/ksh
cd /path/to/source/directory

# Get current month and year:
read m y <<-EOF
	$(date +'%m %Y')
EOF
# Calculate previous monht:
if [ $m = 01 ]
then	m=12
	y=$((y - 1))
else	m=$(printf '%02d' $((${m#0} - 1)))
fi

# Move files with names of the form *MMDDYYYY.TXT and *YYYYMMDD.TXT where MM
# and YYYY match the previous month and DD matches a day >= 10 to a new
# directory.
echo mv *$m[1-3][0-9]$y.TXT *$y$m[1-3][0-9].TXT /path/to/destination/directory

If you want it to remove July files when you run it in July, remove the code in red and change previous in the comment to current.

This was tested with ksh but will also work with bash or any other shell that supports POSIX shell parameter expansions, command substitution, and arithmetic expansions. If the echo shows that the right list of files are being passed to mv, remove the echo on the last line of the script to actually move the files. When running this script any time in July 2014 with the list of files you provided in the 1st message in this thread, the above script produces the output:
Code:
mv LA_AUTO_06112014.TXT MA_AUTO_06212014.TXT ZA_AUTO_06232014.TXT AUTO_F1_20140610.TXT BUTO_F1_20140616.TXT /path/to/destination/directory

If there are too many files to move, the mv could fail due to ARG_MAX limits. If this is a problem in your situation, there are several ways to work around it.
 

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LEARN ABOUT MOJAVE

rmf

RMF(1)								     [nmh-1.5]								    RMF(1)

NAME

       rmf - remove an nmh folder

SYNOPSIS

       rmf [+folder] [-interactive | -nointeractive] [-version] [-help]

DESCRIPTION

       Rmf removes all of the messages (files) within the specified (or default) folder, and then removes the folder (directory) itself.

       If  there  are  any  files  within the folder which are not a part of nmh, they will not be removed, and an error will be produced.  If the
       folder is given explicitly or the -nointeractive option is given, then the folder will be removed  without  confirmation.   Otherwise,  the
       user  will be asked for confirmation.  If rmf can't find the current folder, for some reason, the folder to be removed defaults to `+inbox'
       (unless overridden by user's profile entry "Inbox") with confirmation.

       If the folder being removed is a subfolder, the parent folder will become the new current folder, and rmf will produce  a  message  telling
       the user this has happened.  This provides an easy mechanism for selecting a set of messages, operating on the list, then removing the list
       and returning to the current folder from which the list was extracted.

       If rmf s used on a read-only folder, it will delete all the (private) sequences (i.e., "atr-seq-folder" entries) for this folder from  your
       context without affecting the folder itself.

       Rmf irreversibly deletes messages that don't have other links, so use it with caution.

FILES

       $HOME/.mh_profile	  The user profile

PROFILE COMPONENTS

       Path:		    To determine the user's nmh directory
       Current-Folder:	    To find the default current folder
       Inbox:		    To find the default inbox

SEE ALSO

       rmm(1)

DEFAULTS

       `+folder' defaults to the current folder, usually with confirmation
       `-interactive' if +folder' not given, `-nointeractive' otherwise

CONTEXT

       Rmf  will  set the current folder to the parent folder if a subfolder is removed; or if the current folder is removed, it will make "inbox"
       current.  Otherwise, it doesn't change the current folder or message.

BUGS

       Although intuitively one would suspect that rmf works recursively, it does not.	Hence if you have a sub-folder within a folder,  in  order
       to rmf the parent, you must first rmf each of the children.

MH.6.8								   11 June 2012 							    RMF(1)
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