Bash Scripting: Variable assignment and echo command

Published: 20 January 2022
on channel: Thomas Blum

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This video looks at some simple introductory bash script. The main topic is assigning values to variables. A bash variable does NOT get a dollar sign $ when you are giving it a value, but DOES get a dollar sign when you are retrieving its assigned value. In an assignment statement the variable is on the left-hand-side of the equal sign, and there are no spaces on either side of the equal sign. A read command is another way to get a value assigned to a variable. We also look at concatenation of string literals and variables. There is no need for the plus sign or commas one sees in other languages.

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