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Comment by shawkinaw | Hacker News Reader

Yep, my thought exactly. My standard bash header is

    #!/bin/bash
    set -eu
    IFS=$'\n\t'

(Wish there was a shorthand version of pipefail, then I'd always use that too.)

You can save a line by doing #!/bin/bash -eu

Which is no equivalent if the script is executed using "bash script.sh" ;).