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#!/bin/sh -e . t/common.sh ( printf '%s\n' "${HEAD} ours" printf 'same\000text\n' printf '%s\n' "${TAIL}" printf 'same\000text\n' printf '%s\n' "${END} theirs" ) > file printf 'same\000text\n' > file.expected "$command" --reduce file cmp -s -- file file.expected