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a gpg script

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coastie

Posted: Mon Aug 07, 2006 9:39 pm

Joined: Tue May 17, 2005 12:55 am
Posts: 86
Location: Big Easy, Louisiana

i'm formulating an idea for a script that will encrypt a dir after compressing the dir. the part i need help with is how to create a tar.gz from the command line

i've been reading the man pages and think that somehow i am just missing something. any pointers would be appreciated.

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BrionS

Posted: Tue Aug 08, 2006 4:55 am

Joined: Mon Jul 03, 2006 8:58 pm
Posts: 52
Location: Rochester, NY

If you have a dir called 'mydir' and it has sub directories 'sub1' and 'sub2', you should be able to create a tar.gz with the following command:

Code:

tar zcf mydir.tar.gz mydir

To verify that it worked, simply run the tar command again listing its contents:

Code:

tar zt mydir.tar.gz

This will print out the entire contents of the tarball (without extracting).

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coastie

Posted: Tue Aug 08, 2006 6:42 am

Joined: Tue May 17, 2005 12:55 am
Posts: 86
Location: Big Easy, Louisiana

Thanks BrionS, i'll look at it when i get home.

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coastie

Posted: Tue Aug 08, 2006 9:24 pm

Joined: Tue May 17, 2005 12:55 am
Posts: 86
Location: Big Easy, Louisiana

little update.

Code:

#!/bin/bash
#################################################################
#                                                               #
#                                                               #
#               This is going to be a GPG Script                #
#                                                               #
#################################################################

#Written by Trey Fox
#Uses: Compress files/dir. and encrypt
#http://usalug.org
#http://opensuse.us
#http://bashscripts.org
#http://ulteo.com

#########################
#       Functions       #
#########################

function gpg
{
gpg -c $FILENAME
}
#########################
#    end functions      #
#########################

#begin script

clear

echo "This program will compress and encrypt a directory of your choice."

read -p "Please enter the directory path to the parent directory of the dir. you would like to compress: " FILEPATH

cd $FILEPATH

ls

read -p "Please enter the name of the directory you would like to now compress: " DIRECTORY

tar -zcf $DIRECTORY.tar.gz $DIRECTORY

FILENAME="$DIRECTORY.tar.gz";

#this should run the function correctly right?
gpg



exit

Last edited by coastie on Wed Aug 09, 2006 4:34 am, edited 1 time in total.

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BrionS

Posted: Wed Aug 09, 2006 4:07 am

Joined: Mon Jul 03, 2006 8:58 pm
Posts: 52
Location: Rochester, NY

What's the difference between $DIRECTORY and $DIR other than $DIR is not assigned anywhere?

It might also be easier and clearer to just ask to "ent er the full path of the directory you wish to compress and encrypt" and then use awk or sed to grab the directory name off the end of the string.

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coastie

Posted: Wed Aug 09, 2006 4:34 am

Joined: Tue May 17, 2005 12:55 am
Posts: 86
Location: Big Easy, Louisiana

typo

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coastie

Posted: Wed Aug 09, 2006 4:42 am

Joined: Tue May 17, 2005 12:55 am
Posts: 86
Location: Big Easy, Louisiana

Code:

#!/bin/bash
#################################################################
#                                                               #
#                                                               #
#               This is going to be a GPG Script                #
#                                                               #
#################################################################

#Written by Trey Fox
#Uses: Compress files/dir. and encrypt
#http://usalug.org
#http://opensuse.us
#http://bashscripts.org
#http://ulteo.com

#########################
#       Functions       #
#########################

function encrypt
{
gpg -c $FILENAME
}
#########################
#    end functions      #
#########################

#begin script

clear

echo "This program will compress and encrypt a directory of your choice."

read -p "Please enter the directory path to the parent directory of the dir. you would like to compress: " FILEPATH

cd $FILEPATH

ls

read -p "Please enter the name of the directory you would like to now compress: " DIRECTORY

tar -zcf $DIRECTORY.tar.gz $DIRECTORY

FILENAME="$DIRECTORY.tar.gz";

#this should run the function correctly right?

encrypt



exit

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jbsnake

Posted: Wed Aug 09, 2006 10:48 am

Site Admin

Joined: Tue May 17, 2005 7:31 pm
Posts: 251
Location: Georgia

in the function you should really do:

Code:

gpg -c "${1}"

and then call the function like:

Code:

encrypt "$FILENAME"

otherwise there really is no point in the function what so ever

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coastie

Posted: Wed Aug 09, 2006 4:56 pm

Joined: Tue May 17, 2005 12:55 am
Posts: 86
Location: Big Easy, Louisiana

ok thanks jbsnake

i think i would like to make the encryption an option. so something like

1 to encrypt it
and
2 to exit.

not everyone has gpg installed but a script to make a .tar.gz file would still be useful. at least i think so anyway.

i could use some ideas on how to set up the options :idea:

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BrionS

Posted: Thu Aug 10, 2006 4:25 am

Joined: Mon Jul 03, 2006 8:58 pm
Posts: 52
Location: Rochester, NY

No offense coastie, but without the encryption portion of this, there's not much point in the script to tar/zip a directory as you can do that with one line like I stated earlier

Code:

tar zcf TARFILE DIRECTORY

And if that's too much typing, you can always alias it like

Code:

alias tb="tar zcf"

and use it like

Code:

tb TARFILE DIRECTORY

To do the options, you simply print out the options with echo, and then use read to read in the choice and evaluate the string like

Code:

echo "Press 1 to encrypt, or 2 to skip encryption: ";
read CHOICE;
case "$CHOICE" in
        1)
                echo "using encryption..."
                # do something
                ;;
        2)
                echo "skipping encryption..."
                # do something else
                ;;
        *)
                echo "$CHOICE is not an option"
                exit
                ;;
esac

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coastie

Posted: Thu Aug 10, 2006 4:43 am

Joined: Tue May 17, 2005 12:55 am
Posts: 86
Location: Big Easy, Louisiana

thanks BrionS, i'm just looking at different things, and ideas. i may add to something really cool to this....i just never know :lol:

. i never really know what i might come up with.

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