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Ronin-Chat

@datasetstoriesJoined September 2021

Software Developer | Data Scientist | DevOps Engineer

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Dataset Storiesdatasetstories.com9 posts

Data Engineeringdatainfra.hashnode.dev6 posts

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RRonin-Chatdatainfra.hashnode.devMay 21, 2023 · 1 min read

Exporting Variables

Variables are scoped within the process it is created. If you want to access a variable that is created in another script within this(new) script then you need to export that variable. code for script1.sh #!/bin/bash var1=Hello var2=World echo var1=$...

RRonin-Chatdatainfra.hashnode.devMay 20, 2023 · 1 min read

Command Substitution

In Bash, we can save the command line output of a command to a variable. This can be done by $ ( command ) dir=. count=$(ls $dir | wc -l) echo "There are $count files at location $dir" # There are 4 files at location . In the above example, we count...

RRonin-Chatdatainfra.hashnode.devMay 16, 2023 · 1 min read

Variables in Bash

To create a variable in bash, you can just assign value to the variable using (=) equal to. There shouldn't be any spaces before or after = . You can read the value inside variable by prefixing it with $ sign, the bash automatically replace $variable...

RRonin-Chatdatainfra.hashnode.devMay 14, 2023 · 1 min read

Printing Hello World! in Bash

Use echo to print anything to the command line. echo Hello World! echo "Hello World!"

RRonin-Chatdatainfra.hashnode.devMay 14, 2023 · 1 min read

Your first Bash Script

To create a bash script file, open any code editor and create a new file Add the shebang (#!) at the top of the file. It tells the systems that this file should be interpreted as a Bash Script whose interpreter is located at the path after the sheban...

Ronin-Chat

About

Available for

Ronin-Chat's blogs

Recently published

Exporting Variables

Command Substitution

Variables in Bash

Printing Hello World! in Bash

Your first Bash Script

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Ronin-Chat

About

Available for

Ronin-Chat's blogs

Recently published

Exporting Variables

Command Substitution

Variables in Bash

Printing Hello World! in Bash

Your first Bash Script