System :: filetool.sh hack

Hi all,

I finaly did what I threatened to do and hacked filetool.sh so I can backup using the default backup.tar.gz or backup_(name).tar.gz from the command line.  These are the changes I made.

In Beaver I did a replace of all instances of backup.tar.gz with $BACKUPNAME.

At line 24 I inserted

Code Sample

if [ -z $4 ]; then  BACKUPNAME="backup.tar.gz" else  BACKUPNAME="backup_$4.tar.gz" fi

line 97 was changed to reflect the filename in addition to the device

Code Sample

echo -n "${BLUE}Backing up files to ${MAGENTA}$MOUNTPOINT/$BACKUPNAME ${BLUE}mounted on ${MAGENTA}/dev/$DEVICE ${NORMAL}"

and the same change to line 125.

Changed the instructions on line 13 to reflect this change and the other command line options.

Code Sample

echo "Usage: filetool.sh {backup|restore [null]|[non-null] device backup_name(changes file name to backup_(backup_name).tar.gz from backup.tar.gz}"

Code Sample

sudo filetool.sh backup z hdd4 project01_00

creates a backup to hdd4 named backup_project01_00.tar.gz

The only glitch I've found is argument $2 has to be non-null and I guess a space doesn't work.  Therefore I get the colorful line with the spinning thingy instead of tar being verbose. Perhaps an or in the if checking for $2 eq "verbose" (sure thats the wrong syntax) in addition to null.  I havn't tested it with blowfish. I am using DSL 4.4

I am using this to backup parts of my DSL/Apache web server hard drive install named by project and date stamped so I can roll back to an earlier version when something experimental fails.  

Thanks all

Hi chaostic

Quote

Also, a space won't work for $2 because an unescaped space is treated as a whitespace. You could try sudo filetool.sh backup \  hdd4 project_$(date +%F) Note, two spaces after \ or sudo filetool.sh backup " " hdd4 project_$(date +%F)

Ok, note the last part of my signature (I must have had one of those).  If a character doen't work put a \, if a string doesn't work put it in quotes.  As long as I have been writing in PERL I should have known better.

The example was just by way of illustration of the functionality.  I hand name most old archive versions because I may not make a copy to roll back to until I am doing something thay may go completly wrong so I may call todays backup 2008_june.  But an automatic date stamp as an option wouldn't be hard.
(In fact I'm gonna give that a quick go right now)

Thanks

Ok, the inserted code becomes

Code Sample

if [ -n $5 ]; then  if [ -z $4 ]; then    BACKUPNAME="backup_$(date +%Y_%m_%d).tar.gz"  else    BACKUPNAME="backup_$4_$(date +%Y_%m_%d).tar.gz"  fi else  if [ -z $4 ]; then    BACKUPNAME="backup.tar.gz"  else    BACKUPNAME="backup_$4.tar.gz"  fi fi

And it needed "" instead of " " because -z is looking for a edit:* "null string" not a space.  I guess I was for some reason thinking whitespace could be a deliminator

*edit: null is the ASCII character 0 and -z looks for a string of 0 length or a "null string" not a null