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Top Forums UNIX for Dummies Questions & Answers Find most recent file and copy to another directory. Post 302940325 by askvip on Friday 3rd of April 2015 11:33:53 AM
Old 04-03-2015
Linux Find most recent file and copy to another directory.

Very new to shell scripting. Not sure if my title is correct but I will try and explain.

Directory has 100+ files with this format, " ABCD_ABC_Abc_AB0126.abc ". When a new file gets created, the 16-19 characters in the file name gets incremented by 1. Ex...todays most recent file is "......0126.abc". Next new file name will be "......0127.abc" then next new file will be ".......0128.abc" and so on.

What I would like to do is search file names for last 16 - 19 characters, ...0126..., and if it finds something greater then copy it to another directory. I have given an example of what my script should do. Not sure if its possible but appreciate all and any help. Thanks in advance.

code:
Code:
x= 0126
y= last 16 - 19 characters in file name
if (x < y)
   copy new file to another directory
   x = y
else
   print "No new files to copy."


Last edited by jim mcnamara; 04-03-2015 at 12:42 PM..
 

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cp(1)							      General Commands Manual							     cp(1)

Name
       cp - copy file data

Syntax
       cp [ -f ] [ -i ] [ -p ] file1 file2

       cp [ -f ] [ -i ] [ -p ] [ -r ] file... directory

       cp [ -f ] [ -i ] [ -p ] [ -r ] directory... directory

Description
       The command copies file1 onto file2.  The mode and owner of file2 are preserved if it already existed; the mode of file1 is used otherwise.
       Note that the command will not copy a file onto itself.

       In the second form, one or more files are copied into the directory with their original file names.

       In the third form, one or more source directories are copied into the destination directory with their original file names.

Options
       -f   Forces existing destination pathnames to be removed before copying, without prompting for confirmation.  The -i option is  ignored	if
	    the -f option is specified.

       -i   Prompts  user  with  the name of file whenever the copy will cause an old file to be overwritten. A yes answer will cause to continue.
	    Any other answer will prevent it from overwriting the file.

       -p   Preserves (duplicates) in the copies the modification time, access time, file mode, user ID, and group ID as allowed  by  the  permis-
	    sions of the source files, ignoring the present umask.

       -r   Copies  directories.  Entire directory trees, including their subtrees and the individual files they contain, are copied to the speci-
	    fied destination directory. The directory, its subtrees, and the individual files retain their original names. For	example,  to  copy
	    the directory including all of its subtrees and files, into the directory enter the following command:
	    cp -r reports news

See Also
       cat(1), pr(1), mv(1)

																	     cp(1)
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