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The article details the advantages of using `mapfile` instead of `while read` loops for file reading in Bash, emphasizing its efficiency and simplicity. `Mapfile`, or `readarray`, improves performance significantly by reading lines directly into an array, saving time especially with large files. The author provides examples and a comparative script to demonstrate `mapfile`'s speed and simpler syntax, thereby advocating for its use for cleaner and more performant scripts.