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Display the contents of gzip text files without unzipping

To save the disk space on my unix server, I have compressed thousands of reports[0-1000].txt files using gunzip program. However, I need to cat .gz file (or open in vim text editor) for reference purposes. I have a log files stores on my server in compressed format using gzip command. How do I display compressed Apache log file without using cat command? How to display the contents of gzip text files in screen without unzipping?

You can easily display compressed files on Linux or Unix without using using the cat command, less, or more command. In this example, show the contents of a text file called resume.txt.gz that has been compressed using gzip and friends. Open the Terminal and then type the following commands.

Syntax

 

Display resume.txt.gz on screen using cat command like syntax:

zcat resume.txt.gz

Display access_log_1.gz on screen at a time:

 zmore access_log_1.gz

Or try zless (less command):

zless access_log_1.gz

Search access_log_1.gz for 1.2.3.4 IP address using grep command like syntax:

zgrep '1.2.3.4' access_log_1.gz

You can use egrep command like syntax:

egrep 'regex' access_log_1.gz
egrep 'regex1|regex2' access_log_1.gz

 

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