Bash and Awk for creating directories and moving files Post: 302218249

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Top Forums Shell Programming and Scripting Bash and Awk for creating directories and moving files Post 302218249 by Kiint on Thursday 24th of July 2008 07:52:44 PM

07-24-2008

Registered User

Bash and Awk for creating directories and moving files

I have a security system that FTPs the camera files to my machine, however I want to sort the pictures (taken every 30s) into directories by hour.

Every picture uses the following file format.
yymmddhhmmsstt.jpg (where tt is the milliseconds)

I am thinking the for loop is best

for file in *.jpg
do
?here?
done

I know its very vague, however the end result is I am guessing use awk (or better?) to create variables from the yy mm dd hh parts of the filenames, then creating directories based on those variables nested with a check to see if the directory exists, creating the directory if it doesnt.

i.e. (the way I imagine it working, I dont know how to actually construct the script to do this)

for file in 08072400123200.jpg
do
%y=08
%m=07
%d=24
%h=00
if not exist directory %y - mkdir %y
if not exist directory %y/%m - mkdir %y/%m
if not exist directory %y/%m/%d - mkdir %y/%m/%d
if not exist directory %y/%m/%d/%h - mkdir %y/%m/%d/%h
mv %y%m%d%h*.jpg %y/%m/%d/%h
done

Moving all the pictures taken within that hour into the respective subdirectories.

Any help would be much appreciated.

Kiint

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LEARN ABOUT OSX

mkdir

MKDIR(1)						    BSD General Commands Manual 						  MKDIR(1)

NAME

     mkdir -- make directories

SYNOPSIS

     mkdir [-pv] [-m mode] directory_name ...

DESCRIPTION

     The mkdir utility creates the directories named as operands, in the order specified, using mode rwxrwxrwx (0777) as modified by the current
     umask(2).

     The options are as follows:

     -m mode
	     Set the file permission bits of the final created directory to the specified mode.  The mode argument can be in any of the formats
	     specified to the chmod(1) command.  If a symbolic mode is specified, the operation characters ``+'' and ``-'' are interpreted rela-
	     tive to an initial mode of ``a=rwx''.

     -p      Create intermediate directories as required.  If this option is not specified, the full path prefix of each operand must already
	     exist.  On the other hand, with this option specified, no error will be reported if a directory given as an operand already exists.
	     Intermediate directories are created with permission bits of rwxrwxrwx (0777) as modified by the current umask, plus write and search
	     permission for the owner.

     -v      Be verbose when creating directories, listing them as they are created.

     The user must have write permission in the parent directory.

DIAGNOSTICS

     The mkdir utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     rmdir(1)

COMPATIBILITY

     The -v option is non-standard and its use in scripts is not recommended.

STANDARDS

     The mkdir utility is expected to be IEEE Std 1003.2 (``POSIX.2'') compatible.

HISTORY

     A mkdir command appeared in Version 1 AT&T UNIX.

BSD
								 January 25, 1994							       BSD

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