yell() { echo "$0: $*" >&2; } #o Yell, Die, Try Three-Fingered Claw technique
die() { yell "$*"; exit 111; } #o Ref/Attrib: https://stackoverflow.com/a/25515370
try() { "$@" || die "cannot $*"; } #o
yell() { echo "$0: $*" >&2; } #o Yell, Die, Try Three-Fingered Claw technique
die() { yell "$*"; exit 111; } #o Ref/Attrib: https://stackoverflow.com/a/25515370
try() { "$@" || die "cannot $*"; } #o