comby

Tool for structural code search and replace that supports many languages.

• Match and rewrite templates, and print changes:

comby '{assert_eq!(:[a], :[b])}' '{assert_eq!(:[b], :[a])}' {.rs}

• Match and rewrite with rewrite properties:

comby '{assert_eq!(:[a], :[b])}' '{assert_eq!(:[b].Capitalize, :[a])}' {.rs}

• Match and rewrite in-place:

comby -in-place '{match_pattern}' '{rewrite_pattern}'

• Only perform matching and print matches:

comby -match-only '{match_pattern}' ""

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