How to check if a filesystem is mounted with a script
I am new at scripting … I can do very basic stuff, but now I need a hand.
bash
bash variables in for loop range
I want to print list of numbers from 1 to 100 and I use a for loop like the following: number=100 for num in {1..$number} do echo $num done When I execute the command it only prints {1..100} and not the list of number from 1 to 100. Answers: Thank you for visiting the Q&A … Read more
How can I rename photos, given the EXIF data?
Let’s say I have a bunch of photos, all with correct EXIF information, and the photos are randomly named (because of a problem I had). I have a little program called jhead which gives me the below output:
How can I have more than one possibility in a script’s shebang line?
I’m in a bit of an interesting situation where I have a Python script that can theoretically be run by a variety of users with a variety of environments (and PATHs) and on a variety of Linux systems. I want this script to be executable on as many of these as possible without artificial restrictions. Here are some known setups:
How to change the prompt in Linux?
The default prompt will be
Intersection of two arrays in BASH
I have two arrays like this:
Why does grep not work with redirection?
Using the top command with redirection works fine:
Why is printf “shrinking” umlaut?
If I execute the following simple script:
Replace character X with character Y in a string with bash
I am making bash script and I want to replace one character with another character in my string variable.
Consecutive commands
Am I correct to assume that when ; joins two commands on a line, Bash always waits until the first command has exited before executing the second command?
And similarly, in a shell script containing two different commands on different lines, Bash always waits until the command on the first line has exited before executing the command on the second line?