bash Archives - Page 8 of 36

bash, Programming

IT Nursery

Why does the following output True? #!/bin/sh if [ false ]; then echo "True" else echo "False" fi This will always output True ...

bash, Programming

IT Nursery

I’ve seen Bash scripts test for a non-zero length string in two different ways. Most scripts use the -n option: #!/bin/bash # With ...

bash, Programming

IT Nursery

#!/bin/bash if...

bash, Programming

IT Nursery

What’s wrong with the following code? name="$filename | cut -f1 -d".'' As is, I get the literal string $filename | cut -f1 -d'.', ...

bash, Programming

IT Nursery

I am trying to use xargs to call a more complex function in parallel. #!/bin/bash echo_var(){ echo $1 return 0 } seq -f ...

This question already has answers here: How can I compare numbers in Bash? (9 answers) Closed 3 years ago. I have a bash ...

I’m looking for a simple way to find the length of the longest line in a file. Ideally, it would be a simple ...

In a bash script, I want to do the following (in pseudo-code): if...

After entering set -e in an interactive bash shell, bash will exit immediately if any command exits with non-zero. How can I undo ...

For example, right now I’m using the following to change a couple of files whose Unix paths I wrote to a file: cat ...