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 PostPosted: Sun Oct 22, 2006 2:27 pm   

Joined: Wed Sep 06, 2006 12:19 pm
Posts: 54
Location: Covington, WA
Here's a simple program to convert zip files to tarballs........To keep it simple, this will only create a single tarball, and using wildcards in the zip filename is not supported.........To do multiple archives, you'll need to run it through a loop...... :-)

Output can also be piped to another program, such as gzip or bzip2, by omitting the name of the tar file or using '-' in place of the tarball name.....

#! /bin/bash
## zip2tar: Convert a zip file to a tar file

readonly PROG="${0##*/}"

## Change to suit.  ('/var/tmp/tmpfs' is a tmpfs mounted dir on my machine):

## Cleanup on exit:
trap "rm -rf '${TDIR}'" EXIT

## Assign args:
test -z "${1}"  &&
    { echo -e "\tUsage: ${PROG} [filename.tar]"; exit 1;}
## If no tar file named, we'll assume STDOUT:
test -z "${TAR}"  &&  TAR="-"

## Set up clean temp dir:
rm -rf "${TDIR}"
mkdir -p "${TDIR}"

## Unzip to temp dir, then tarball the contents (only) of the temp dir
## to named tar file (or STDOUT if no tar file was specified):
unzip -qq "${ZIP}" -d "${TDIR}"  ||  exit $?

## List files in directory order (unsorted), not alphabetical order, to speed
## things up a bit:
LIST="$(ls -UA "${TDIR}")"  ||  exit $?
test -z "${LIST}"  &&
    { echo -e "${PROG}: No files or directories found for tarring"; exit 1;}
tar cCf "${TDIR}" "${TAR}" ${LIST}

exit 0

NOTE: To help speed things up a bit, point the temp directory (TDIR) to a tmpfs mounted directory........Just make sure you have enough space allocated for large archives... ;-)


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