`gzip` (or GNU zip) is a file format and corresponding utility for compressing files using the DEFLATE algorithm. The usual extension is `.gz`.

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How to make sure a .tar.gz file is valid and will uncompress correctly?

I have a few BIG .tar.gz files, and I want to make sure they will uncompress, but without actually doing it. If the file opens on "Archive Manager" on Ubuntu, and I can view it contents there, does ...
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19 views

view zip file content in tree command style

I am seeing the zip file content using unzip -l files.zip | less but it outputs in ls style , is it possible to to display output in tree command style
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1answer
70 views

How do I use HTTrack to download gzipped files from URLs with accented characters?

I am downloading a site with HTTrack with spotty results. Several directories return 2 or more versions of the same HTML file. These duplicates in any given directory may include: a file named ...
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25 views

canot restore disk image with dd (target part filled with zero)

I have a RAID0 disk before, now I want change the size of it. From the manual, the only way is backup data, delete RAID, re-create with new size, and restore data. now I have many old 2.5" hdd, each ...
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243 views

Running find…exec tar czvf only archives one file…need all files

When attempting to run find . -iname "*.gz" -mtime +7 -exec tar czvf all_gizip_$(date +%Y-%m-%d).tar.gz {} \; I get the list of files ./corosync.log-20140620.gz ./corosync.log-20140618.gz ...
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1answer
102 views

Guess compressability of a large file

I have a large file (~20 GB) and I want to quickly make an (approximate) estimate of how well it can compress. I want an program which can provide an immediate guess at the compressed filesize, and ...
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2answers
2k views

GREP and TAR all files/directories matching X

I would like to find and gzip/tarball contents of all the folders matching wordpress in my directory, but I am having trouble trying to get the command to work, I thought it was something like find ...
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531 views

Gnuplotting gzipped files

I would like to use a command like plot 'datafile.gz' u 1:2 in gnuplot for a data file that is gzipped. Of course gnuplot does see that the file is gzipped and unzip it for me. Is there a way to ...
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5k views

How to delete a tar file after I gzip it?

I am creating a tar file and then I am gzipping the tar file. So I am getting a .tgz file and now I want to delete the previous tar file. ${gzipExe} -f --rsyncable $tarname.TAR --stdout >> ...
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1answer
192 views

gzip many files one by one

I have 100 files, n1.txt, n2.txt,… and I want to gzip each of them, but not in one file – finally I'd like to have 100 n*.txt.gz files. How can I do that in Linux with Bash?
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3k views

uncompress gzipped encrypted file

I have got a backfile with extension .tar.gz.enc. After fooling around I found out that it is encrypted gzipped tarball. Now I want know how to decrypt it.
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1answer
536 views

Compressing bigger than 1GB files seems not to work

I tried my best to compress some videos, about 1.4GB each. I tried to compress them separately, "tarring" (using tar) them and then compress, everything. I'm on OS X Lion and I did try the ...
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1answer
133 views

extracting multiple .gz files, and printing the name of the extracted file

I would think this is easy but I'm blocking… I have a directory with a series of log files (from minecraft server…): 2014-09-28-1.log.gz 2014-09-29-1.log.gz 2014-09-30-1.log.gz 2014-10-01-1.log.gz ...
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2answers
639 views

What is the difference in various commands for compressing files in linux?

What are the commands for compressing files in linux and what are the difference between them? (for example: tar, gzip, rar). I'm working on Linux Mint 11 and doing a script for compressing files. I ...
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1answer
1k views

zcat or gunzip: proceed on error

When trying to gunzip or zcat a large number of gzip files, zcat/gunzip will terminate with this error: gzip: <gzip-file>: unexpected end of file Is there any way I can get gunzip or zcat to ...
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445 views

How do I compress a directory?

Hey guys I was wondering how would I gzip 7z tar or just regular zip a directory like this /var/Backups/Tones regular gzip won't do it because Tones is a directory and this site ss64.com/bash doesn't ...
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1answer
1k views

How to gzip more than one file using cygwin [duplicate]

Possible Duplicate: How to gzip multiple files into one gz file? I am trying to gzip a bunch of files in the same folder using cgywin on windows 7. When I try gzip *.* I can't seem to ...
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1answer
405 views

Weird GZip / Disk space issue

I'm working on a server which is using PCI Compliant partitioning rules, which means that each of the following directories has its own partition: /, /var, /boot, /usr, /tmp and /home. The server is ...
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1answer
618 views

Merge tar files in Windows Server

In my server(windows server) I have 3 tar files. (file.tar, file.tar-2, file.tar-3). I want to merge those files. (Those are generated by some server tool). So I am looking for a tool to merge ...
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1answer
70 views

Gzip compression on Apache using .htaccess

As per http://gtmetrix.com/enable-gzip-compression.html i'm trying to enable gzip compression on apache webserver adding code mentioned below in .htaccess, but it's not working ; can you please ...
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1answer
51 views

how to extract lots of gz files in windows

I have 36,348 .gz files. I need to extract them all the same directory. In unix I would use gunzip and so forth from the shell. How would I do it on my windows 7 machine? I can't even get winrar to ...
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1answer
894 views

How to compress a large file to many smaller zip files with defined size?

I have a very large file, e.g. 100GB, and I want to compress it to many smaller zip file, with each file cannot larger than 1GB, what would be the most suitable commands to do it? remark: I want to ...
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1answer
25 views

Copying Jar files into single zip file

I am trying to compress the hundreds of jar files into a single zip file that can be transferred to a different location. Please help.
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1answer
216 views

Tar up only 3 specific files in command line with linux

Is it possible with one command to tar up 3 files into one tar archive? For example, tar up: public_html.tar.gz dbapp.sql dbwp.sql into a tar file called bak.tar.gz
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273 views

What are good compression algorithms for delta synchronization?

When syncing large files over a slow link, it is often useful to use delta compression in order to reduce the bandwidth used. It is also useful to compress files as they take up much less space. ...
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1answer
392 views

How to zgrep by file pattern and timestamp?

I have a list of several thousand gzip (*.gz) files that I'd like to zgrep through, but I only want to run it on files with a last-modified-timestamp on or after yesterday (11/22/2012) and that ...
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2answers
1k views

Estimate compressed file size in tar.gz

I've got a set of .tar.gz files, which are duplicity backup files (either full backups or incremental ones). I'd like to compute which directories take the most space on backups. This will most ...
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1answer
860 views

Why my multiparted .tar unpacs just partly? (missing files)

I have 25 .tar files like: filename.tar.001 - filename.tar.025 When I want to unpack them with cat myarchive.tar.* | tar xvf - it does, but missing files: whole .tar is 1,2 GB, but unpacked files ...
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1answer
993 views

With which command should I open .raw.gz files?

I have a bunch of .raw.gz files which are data files streamed from twitter with JSON interface. I am wondering which command should I use on my Mac OSX to open (unzip) these files? I have tried tar, ...
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2answers
1k views

Help on writing Linux script to backup and ftp files to another server

I am using MySQL as the database system for my application on a Linux system. Every week I update the system and take backups (mysqldump) of the databases changed (2 databases). I then .tar.gz them ...
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1answer
658 views

Binaries for gnu tar and gnu gzip

I would like to know where i can download the binaries for gnu tar and gnu gzip for various platforms ( aix64, hp64, hpia64, intel, linia32, linia64, linx64, solus64, solx64, winx64) Thanks,
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Composer Install .tar.gz

Trying to install node.js via composer (for automation). "repositories": [ "type": "package", "package": { "name": "nodejs/nodejs", "version": "0.12.6", "dist": { ...
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4answers
94 views

How to open tar gz file created using tar piped to gzip

I wanted to generate a tar gz file with the highest compression level, and I followed the solution from http://superuser.com/a/546509/461740: tar cv /path/to/directory | gzip -9 > file.tar.gz ...
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1answer
34 views

Unix gzip more than one file at once

I have come to the end of my research with unix:> I'm new with unix and its enviroment, so i need your help guys. Long story short, i have a housekeeping script, which runs daily/weekly (it doesnt ...
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1answer
42 views

Incorrect size of image file made with dd and gzip?

In the past I made a backup of a partially full partition with dd if=/dev/sda1 | gzip -5 > file.gz. Some time later, when a free space on partition was smaller I made an image file again with the ...
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2answers
92 views

Decompress logged GZIP binary data

In an effort to verify my app was sending back and forth with my server correctly, I had run tcpdump -w ~/capture.txt -s 0 port 80 on a server with proxy sitting in between to capture all ...
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38 views

Need to create .tgz file in Windows

I need to create a .tgz file - NOT a tar.gz, a .tgz specifically - in Windows. I've tried 7zip, Peazip, and ProgramArchiver, but they all create .tar.gz files. I've also tried running 7z from the ...
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1answer
99 views

Cannot unzip xymon-4.3.18.tar.gz; “No such file or directory” error

I have a problem unzipping an archive. ubuntu:~% sudo gzip -dc xymon-4.3.18.tar.gz | tar xf - gzip: xymon-4.3.18.tar.gz: No such file or directory tar: This does not look like a tar archive tar: ...
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88 views

How to disable mod_deflate in a subdirectoy using htaccess

I have a site that mod_deflate and gzip breaks a script in a subdirectoy. I am on a shared host. Is it possible to use compression on the root level and disable it on a specific subdirectory using ...
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1answer
165 views

dd , pv , gzip and exclude directory, possible?

Is it possible to do the following: dd if=/dev/hdx | pv | gzip > /path/to/image.img\ --exclude=/temp --exclude=/lost+found --exclude=/proc --exclude=/path/to/image.img So I want to make a backup ...
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1answer
48 views

can't open .gzip archives retrieved with wget

I'm trying to download the content of a directory hosted on a server using wget in a cygwin terminal. I have no problem getting the files but they are all .gz archive and once downloaded they are ...
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0answers
124 views

GZIP corruption with big files?

I came across a weird behavior: gzip v1.5 - Fedora r18 A file -rwxrwxrwx. 1 root root 3892576256 Apr 28 11:29 vm.qcow2 Initial checksum: md5sum vm.qow2 954c5461468d68daed3cef6a7b66bd8f vm.qcow2 ...
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1answer
117 views

Concatenate header of one file with tail of another

I have a large gzipped mysqldump file which contains some table definitions and then many insert statements. I'd like to edit the table definitions but leave the insert statements alone. The file is ...
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1answer
58 views

dd a partition and keep device structure

How can I dd a partition while keeping its device structure? Source device: [root@cal-7-3 ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 37.3G 0 disk └─sda1 8:1 0 ...
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114 views

rsync: gzip on source tolerant

I need to transfer a couple of log-files each hour to a logstorage which all users can reach, and I use rsync for do that, but the problem comes when the log-file is rotated and automatically zipped, ...
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1answer
625 views

Caveats with gzip --rsyncable - no speedup

I am using (trying) gzip to compress an SQL file in an rsyncable way in order to transfer the backup with minimal delay. However it appears that this is not working, since the speedup is always 1.00. ...
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49 views

Gzip, firmware problems

I am trying to unpackage firmware. The file command gives me this. gzip compressed data, ASCII, has CRC, extra field gzip -d gzip.gz gives this. gzip: gzip.gz has flags 0xcf -- not supported Any ...
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1answer
39 views

Removind same *.tar.gz archives

I have crontab event archives to .tar.gz some folder every N hours. Finally I have collection of .tar.gz files. Now I want remove duplicating archives (created while target files stays unchanged) How ...
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39 views

Is there an older version of gzip that returns different/larger outputs?

I don't know how else to phrase this question, but I stumbled upon a file which I know from the header is gzipped (1F8B0800) but I am unable to recreate the file no matter what I try (including gzip ...
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1answer
902 views

One-click to create and extract .tar.gz files in Windows?

I'm using 7-zip latest alpha version (9.30) and I find it really inconvenient that, if I want to create a .tar.gz archive, I have to create a .tar archive first then add it to a .gz archive later. So ...