Unix & Linux Asked by Dennis Wiencken on March 7, 2021
I have a lot of rar files
- Folder/
--- Spain.rar
--- Germany.rar
--- Italy.rar
All the files contains no root folder so it’s just files.
What I want to achieve when extracting is this structure:
- Folder/
-- Spain/
---- Spain_file1.txt
---- Spain_file2.txt
-- Germany/
---- Germany_file1.txt
---- Germany_file2.txt
-- Italy/
---- Italy_file1.txt
---- Italy_file2.txt
So that a folder with the name of the archive is created and the archive is extracted to it.
I found this bash example in another thread but it’s not working for me, it’s trying to create one folder with all the files as name.
#!/bin/bash
for archive in "$(find . -name '*.rar')"; do
destination="${archive%.rar}"
if [ ! -d "$destination" ] ; then mkdir "$destination"; fi
unrar e "$archive" "$destination"
done
Any ideas how I can do this?
I have a script in my personal archive that does exactly this. More precisely, it extracts e.g. Spain.rar
to a new directory called Spain
, except that if all the files in Spain.rar
are already under the same top-level directory, then this top-level directory is kept.
#!/bin/sh
# Extract the archive $1 to a directory $2 with the program $3. If the
# archive contains a single top-level directory, that directory
# becomes $2. Otherwise $2 contains all the files at the root of the
# archive.
extract () (
set -e
archive=$1
case "$archive" in
-) :;; # read from stdin
/*) :;; # already an absolute path
*) archive=$PWD/$archive;; # make absolute path
esac
target=$2
program=$3
if [ -e "$target" ]; then
echo >&2 "Target $target already exists, aborting."
return 3
fi
case "$target" in
/*) parent=${target%/*};;
*/[!/]*) parent=$PWD/${target%/*};;
*) parent=$PWD;;
esac
temp=$(TMPDIR="$parent" mktemp -d)
(cd "$temp" && $program "$archive")
root=
for member in "$temp/"* "$temp/".*; do
case "$member" in */.|*/..) continue;; esac
if [ -n "$root" ] || ! [ -d "$member" ]; then
root=$temp # There are multiple files or there is a non-directory
break
fi
root="$member"
done
if [ -z "$root" ]; then
# Empty archive
root=$temp
fi
mv -v -- "$root" "$target"
if [ "$root" != "$temp" ]; then
rmdir "$temp"
fi
)
# Extract the archive $1.
process () {
dir=${1%.*}
case "$1" in
*.rar|*.RAR) program="unrar x";;
*.tar|*.tgz|*.tbz2) program="tar -xf";;
*.tar.gz|*.tar.bz2|*.tar.xz) program="tar -xf"; dir=${dir%.*};;
*.zip|*.ZIP) program="unzip";;
*) echo >&2 "$0: $1: unsupported archive type"; exit 4;;
esac
if [ -d "$dir" ]; then
echo >&2 "$0: $dir: directory already exists"
exit 1
fi
extract "$1" "$dir" "$program"
}
for x in "$@"; do
process "$x"
done
Usage (after installing this script in your $PATH
under the name extract
and making it executable):
extract Folder/*.rar
Correct answer by Gilles 'SO- stop being evil' on March 7, 2021
You can use unar
instead of unrar
. It will default to creating a new directory of the same name when there is more than one rar file in the folder.
If there is only one file, you can use the -d
option.
Answered by bruno vianna on March 7, 2021
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