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System basics: Bash scripting basics

System basics: Bash scripting basics - Linux Tutorial

From the course: Linux Tips

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System basics: Bash scripting basics

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- [Scott] The Bash shell is a useful interactive terminal. But you can also put together Bash commands and operators into scripts that can be run as programs. These collections of commands, when they're put together, are called Bash scripts. Bash scripts can be really helpful for packaging a lot of different commands all together to reduce errors in a procedure that you have to do over and over. You can also set them up to take particular input in order to do a procedure that might have some variation to it. A Bash script starts out a line called shebang. It's a special directive that tells the shell where to find the program that's going to run the rest of the script. The shebang starts with a pound or hash sign and an exclamation mark, and then the path to the interpreter, in this case, usr/bin/env and bash. I'll create a script with a text editor. I'll write nano myscript.sh. And first thing, I'll put in the shebang, pound sign exclamation mark, usr/bin/env bash. Then, on the next…

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