File: msed

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#!/usr/bin/env bash

set -e

die () {
        echo "$1" >&2
        exit 1
}

if gsed --version >/dev/null 2>&1; then
        sed='gsed'
elif gnused --version >/dev/null 2>&1; then
        sed='gnused'
elif sed --version 2>&1 | grep -q GNU; then
        sed=`which sed`
else
        die 'Can'\''t find GNU sed'
fi

exec "$sed" "$@"