I was skimming through an /etc/rc.d/init.d/sendmail file (I know this is hardly ever used, but I’m studying for an exam), and I’ve become a bit confused about the && and the || operators. I’ve read where they can be used in statements such as:
Bash 4.4.19(1)-release
I was looking for a command to limit numbers read in from stdin.
In Linux desktop system, I want to execute a command when the user logs in.
I have a table URL_Experiment in my database (mySQL database). I have 2 million URL links in this table.
I have numerous zip archives, each of which contains a number of zip archives. What is the best way to recursively extract all files contained within this zip archive and its child zip archives, that aren’t zip archives themselves?
I have a deployment script.
It must add something to a user crontab
(trigger a script that cleans logs every XXX days);
however, this must be done only during the first deployment,
or when it needs to be updated.
I am running some unit test code. The unit test code outputs regular text. There is a lot of the text so I want to highlight for the user important keywords.
From the fact that it says file $attachment
rather than file "$attachment",
I guess your script cannot handle filenames that contain spaces.
But, be advised that filenames can contain spaces,
and well-written scripts can handle them. Note, then:
I just saw this in an init script: