How to Generate Terraform using a Bash Shell script

To generate Terraform code using a Bash shell script, you can utilize Python within the script. Here’s an example of how you can achieve this: 1. Create a new Bash script file Open a text editor and create a new file, for example, 2. Add the shebang line Start the script with the shebang line to specify that it should be interpreted using Bash: #!/bin/bash 3. Install Required Libraries Since you’ll be using Python within the script, ensure that Python and pip are installed on your system....

June 23, 2023 · 2 min · 283 words · AO

How to check if a program exists from a Bash/Shell script

You can look to use: command -v <the_command> There are also 2 other ways, that we will run through a little further down, but for now.. How to use the command if a conditional if ! command -v <the_command> &> /dev/null then echo "<the_command> could not be found" exit fi To summarize, there are 3 ways you can do this Option 1 - Using command command -v foo >/dev/null 2>&1 || { echo >&2 "foo is not installed....

April 18, 2023 · 1 min · 123 words · AO

Bash: Convert HTML to Markdown Recursively with Pandoc

You can recursively convert all your HTML files to Mardown format in Bash, by using Pandoc. find . \-name "*.ht*" | while read i; do pandoc -f html -t markdown "$i" -o "${i%.*}.md"; done

March 29, 2023 · 1 min · 34 words · AO

How to Check if a Volume is Mounted in Bash

If you need to check if a volume is mounted in a Bash script, then you can do the following. How to Check Mounted Volumes First we need to determine the command that will be able to check. This can be done with the /proc/mounts path. How to Check if a Volume is Mounted in Bash if grep -qs '/mnt/foo ' /proc/mounts; then echo "It's mounted." else echo "It's not mounted....

August 12, 2022 · 1 min · 136 words · Andrew

How to Determine if a Bash Variable is Empty

If you need to check if a bash variable is empty, or unset, then you can use the following code: if [ -z "${VAR}" ]; The above code will check if a variable called VAR is set, or empty. What does this mean? Unset means that the variable has not been set. Empty means that the variable is set with an empty value of "". What is the inverse of -z?...

August 11, 2022 · 2 min · 287 words · Andrew