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Full Discussion: Conundrum - Flexible way to strip extension
Top Forums Shell Programming and Scripting Conundrum - Flexible way to strip extension Post 302671809 by Spadez on Saturday 14th of July 2012 04:33:38 PM
Old 07-14-2012
Conundrum - Flexible way to strip extension
Hi,

First post here. I have something that may prove to be difficult.

I have the following files:

Code:
Example1.0.0.tar.gz
Example2.tar
Example3.zip
Example4.0.0.0.0.0.bzip2

I need to remove the file extensions and store as a variable so they look like this:

Code:
Example1.0.0
Example2
Example3
Example4.0.0.0.0.0

The way I see it, there are only two ways of doing it. First, is to check the name for certain terms, say ".tar",".gz",".zip" and then have it removed from the name. If this is the best way, is there an efficient and clean way to do this?

The second way I see, is that I get the name without the extension after I unzip it, then store as a variable. So, with my command: tar xzf $FILE_VAR, is there a way to grab the folder that is spat out?

Code:
$File_VAR = Example1.0.0.tar.gz
tar xzf $FILE_VAR 
<code to find out resulting folder name and store as variable>

Output = Example1.0.0

I would really appreciate any help and advice you can give,

Thanks,

James

---------- Post updated at 03:33 PM ---------- Previous update was at 03:26 PM ----------

Sorry, second post. The whole reason I want to do this is because I need to CD into the untarred directory without knowing what it is actually called.

Thing is because I cant get the name without the extension, I dont know the name of the folder that will be output from the untar operation, then I cant CD into it.

I dont want to specify the folder name that it will be untarred into because I have thousands of these to do.
Last edited by Scrutinizer; 07-14-2012 at 05:36 PM.. Reason: quote tags changed to code tags
 

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LEARN ABOUT LINUX

gpg-zip

GPG-ZIP(1)						      General Commands Manual							GPG-ZIP(1)

NAME

       gpg-zip - encrypt or sign files into an archive

SYNOPSIS

       gpg-zip [OPTIONS] filename1 [filename2, ...]  directory1 [directory2, ...]

DESCRIPTION

       This manual page documents briefly the gpg-zip command.

       gpg-zip encrypts or signs files into an archive. It is an gpg-ized tar using the same format as PGP's PGP Zip.

OPTIONS

       -e, --encrypt
	      Encrypt data. This option may be combined with --symmetric (for output that may be decrypted via a secret key or a passphrase).

       -d, --decrypt
	      Decrypt data.

       -c, --symmetric
	      Encrypt  with  a	symmetric  cipher  using  a  passphrase.   The	default symmetric cipher used is CAST5, but may be chosen with the
	      --cipher-algo option to gpg(1).

       -s, --sign
	      Make a signature. See gpg(1).

       -r, --recipient USER
	      Encrypt for user id USER. See gpg(1).

       -u, --local-user USER
	      Use USER as the key to sign with. See gpg(1).

       --list-archive
	      List the contents of the specified archive.

       -o, --output FILE"
	      Write output to specified file FILE.

       --gpg GPG
	      Use the specified command instead of gpg.

       --gpg-args ARGS
	      Pass the specified options to gpg(1).

       --tar TAR
	      Use the specified command instead of tar.

       --tar-args ARGS
	      Pass the specified options to tar(1).

       -h, --help
	      Output a short usage information.

       --version
	      Output the program version.

DIAGNOSTICS

       The program returns 0 if everything was fine, 1 otherwise.

EXAMPLES

       Encrypt the contents of directory mydocs for user Bob to file test1:

	      gpg-zip --encrypt --output test1 --gpg-args  -r Bob"" mydocs

       List the contents of archive test1:

	      gpg-zip --list-archive test1

SEE ALSO

       gpg(1), tar(1)

AUTHOR

       Copyright (C) 2005 Free Software Foundation, Inc. Please report bugs to <bug-gnupg@gnu.org>.

       This manpage was written by Colin Tuckley <colin@tuckley.org> and Daniel Leidert <daniel.leidert@wgdd.de> for the Debian distribution  (but
       may be used by others).

								   November 2006							GPG-ZIP(1)
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