The utility p7zip can deal with many forms of compression:
For example:
running 7z on this file with "list" directive produces:
More recent versions, around 9.x, are available in repositories (e.g Debian, SuSE, CentOS, Mac OS X ("brew"), etc).
I don't know if every compression format includes meta-data that can be extracted without uncompressing the file, but p7zip seems worth a try.
The run was in the environment:
Best wishes ... cheers, drl
In a shell script I would like to use a compressed file name, i.e. with suffix of .Z, as a file input $1. After the file in uncompressed, I would like to use the file name without the .Z . How do I do this?
Thank you. (8 Replies)
Is there a way I can check if a file is comppressed or not? (Be it tar/gzip or compress). trying to write a generic housekeeping scrit that will delete files over 6 months old and compress any uncompressed files if less than 6 months old. But not sure if there is a clever way to check except for... (4 Replies)
I want to read a directory full of compressed files and move the file to another directory if it meets certain criteria. I only want to look at the first line of the compressed file and if I find the string, do the move. I am currently using the following:
zgrep -R -L... (1 Reply)
How we can view the content of the file,if it compressed (or) Zipped ,without uncompress ?
I have one file ,i compressed it,without uncompressing the file.Is it possible to see the content of the file? (2 Replies)
Hi,
I'm trying to find all tar and compressed files (say gzip). I'm having to assume that the tar and gzip files may or may not have the correct extension (.tar .gz .tgz etc).
Any help appreciated (2 Replies)
Hi
i have a filename.tar.bz2 and i have to parse it with a tool that doesn't support compressed files.
I have to do it for many big files, so i can't decompress and then process. I'd like to do something like:
tar -jxvf namefile.tar.bz2 | parsing_tool
i mean analyze it directly,... (4 Replies)
i have a file 4d7a94d0.bbb.1292
when i do
file 4d7a94d0.bbb.1292
the ouput is below
4d7a94d0.bbb.1292: gzip compressed data - deflate method
and i run this command
gunzip -c 4d7a94d0.bbb.1292 | awk '{gsub("\"","")}/I_ACCOUNT_ID/{print $2}' RS=":|;" FS=","
i get... (3 Replies)
i need to backup a directory from one partition to another and and compress that directory after backing up, so i need to predict the compressed size of the directory with out actually compressing it, to check whether the space is available in the destination partition to accommodate the zipped... (2 Replies)
Hello all,
I would like to add a file to a compressed (gzip) tarfile. Normally it won't be a Problem, if I would do it in several steps. But I do not want to have unnecessary files.
So, in words:
unzip the tarfile
add a new file
zip the tarfile
What I tried:
... (3 Replies)