switch

Multi-way branching based on pattern matching.

Syntax

switch ?options? string ?pattern body ...? ?default body?

Parameters

• options: Matching mode flags
  • -exact: Exact string matching (default)
  • -glob: Glob-style pattern matching
  • -regexp: Regular expression matching
• string: Value to match against patterns
• pattern: Pattern to match
• body: Script to execute if pattern matches; use - for fall-through
• default: Keyword for the fallback case

Examples

Basic exact matching

Output

Glob pattern matching

Output

Fall-through with dash

Output

Using list syntax

Output

See Also

• if - Conditional execution
• expr - Expression evaluation