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Shell Variable Expansion: Understanding Curly Braces

Shell Variable Expansion: Understanding Curly Braces: a task in Terminal-Lego-15k (Harbor dataset). In shell scripting, variables can be expanded using either $var or ${var} syntax. Your task is to create a shell script that demonstrates the different scenarios where curly braces {} are necessary…

The task

In shell scripting, variables can be expanded using either `$var` or `${var}` syntax. Your task is to create a shell script that demonstrates the different scenarios where curly braces `{}` are necessary or optional when expanding shell variables.

Part of PrimeIntellect/Terminal-Lego-15k.