Commands tagged zcat sorted by votes

Commands tagged zcat (7)

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Restore mysql database uncompressing on the fly.

This way you keep the file compressed saving disk space. Other way less optimal using named pipes: mysql -uroot -p'passwd' database <
This is sample output - yours may be different.
5

zcat database.sql.gz | mysql -uroot -p'passwd' database

rubenmoran · 2010-03-23 12:41:57 8
Analyse compressed Apache access logs for the most commonly requested pages
This is sample output - yours may be different.
4

zcat access_log.*.gz | awk '{print $7}' | sort | uniq -c | sort -n | tail -n 20

tkb · 2009-12-11 09:36:30 5
concatenate compressed and uncompressed logs

I use zgrep because it also parses non gzip files. With ls -tr, we parse logs in time order. Greping the empty string just concatenates all logs, but you can also grep an IP, an URL...
This is sample output - yours may be different.
2

zgrep -h "" `ls -tr access.log*`

dooblem · 2010-06-19 09:44:05 5
concatenate compressed and uncompressed logs

with zcat force option it's even simpler.
This is sample output - yours may be different.
2

zcat -f $(ls -tr access.log*)

dooblem · 2010-10-30 22:54:54 4

Parse compressed apache error log file and show top errors

credit shall fall to this for non-gzipped version: https://gist.github.com/marcanuy/a08d5f2d9c19ba621399 Show Sample Output

zanhsieh · 2014-09-24 05:26:24 8

Read manpages without the man(1) command

As odd as this may be, I know of servers where the man(1) command is not installed, and there is not enough room on / to install it. However, zcat(1), nroff(1) and less(1) are. This is a way to read those documents without the proper tool to do so, as sad as this may seem. :)
This is sample output - yours may be different.
0

zcat /usr/share/man/man1/man.1.gz | nroff -man | less

atoponce · 2011-09-07 01:13:57 4
Download a zipped file and extract it in one line

The example uses hashicorps packer as the sample file, but any .zip file which only contains a single file will work. Show Sample Output
This is sample output - yours may be different.
```
packer
```
0

curl -Ss https://releases.hashicorp.com/packer/1.0.0/packer_1.0.0_linux_amd64.zip | zcat > packer

hvindin · 2017-04-25 22:03:11 21

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Create a mirror of a local folder, on a remote server

Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Sort output by length of line

This provides a way to sort output based on the length of the line, so that shorter lines appear before longer lines. It's an addon to the sort that I've wanted for years, sometimes it's very useful. Taken from my http://www.askapache.com/linux-unix/bash_profile-functions-advanced-shell.html

Easily find latex package documentation

If the pdf/dvi/etc documentation for a latex package is already part of your local texmf tree, then texdoc will find and display it for you. If the documentation is not available on your system, it will bring up the package's webpage at CTAN to help you investigate.

list files recursively by size

DVD ripping with ffmpeg

Alternative, imho better, using the concat protocol

Change the From: address on the fly for email sent from the command-line

It's very common to have cron jobs that send emails as their output, but the From: address is whatever account the cron job is running under, which is often not the address you want replies to go to. Here's a way to change the From: address right on the command line. What's happening here is that the "--" separates the options to the mail client from options for the sendmail backend. So the -f and -F get passed through to sendmail and interpreted there. This works on even on a system where postfix is the active mailer - looks like postfix supports the same options. I think it's possible to customize the From: address using mutt as a command line mailer also, but most servers don't have mutt preinstalled.

Backup file, create dir and set perms in one shot

Prior to working on/modifying a file, use the 'install -m' command which can both copy files, create directories, and set their permissions at the same time. Useful when you are working in the public_html folder and need to keep the cp'd file hidden.

Remove Suspend option from XFCE logoff dialog

copy string to clipboard

Copy the current path. Use -selection clipboard to copy the string to clipboard.

check open ports without netstat or lsof

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