1
vote
2answers
251 views

Chaining mysqldumps commands to output a single gzipped file

Let's say I have these series of commands mysqldump --opt --databases $dbname1 --host=$dbhost1 --user=$dbuser1 --password=$dbpass1 mysqldump --opt --databases $dbname2 --host=$dbhost1 --user=$dbuser1 ...
29
votes
3answers
16k views

How to tell gzip to keep original file?

I would like to compress a text file using gzip command line tool while keeping the original file. By default running the following command gzip file.txt results in modifying this file and renaming ...
2
votes
1answer
600 views

Recursively Gziping Files (and keep original files) & Gziping Text Input

I need Gzip to pre-zip some static files for a webserver I'm building. All of the files I need to gzip will be in a folder named .cache. Since some clients may not accept responses that are gzipped, I ...
4
votes
4answers
1k views

How can I check if a gzipped file is empty?

Is there a quick way to check if a gzipped file is empty, or do I have to unzip it first? example: $ touch foo $ if [ -s foo ]; then echo not empty; fi $ gzip foo $ if [ -s foo.gz ]; then echo not ...