05-14-2015
It looks like
awk on OS X has a maximum number of open files (not counting standard input or standard output) of 17. I think we can create an awk script for you that will be able to create shell scripts that can move the files to separate directories fairly efficiently. But, to do that I need answers to a a few more questions:
- Will there ever be more than 15 hyphens on the 3rd line of any of the files that are to be moved? If yes, what is the maximum number of hyphens that appear on those lines in any of your files?
- If I understand correctly, your filenames can contain <hyphen>, <space>, and <tab> characters. Will any of your filenames contain <dollar-sign>, <double-quote>, <newline>, or <single-quote> characters? If yes, which ones?
- Are any of the files to be moved linked to each other?
- Will the target directories be on the same filesystem as the source directory? (Note that if they are on the same filesystem, moving the files will be MUCH faster since the new filename can be linked to the old filename and the old filename unlinked without actually having to copy the file contents.)
This User Gave Thanks to Don Cragun For This Post:
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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)