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#!/bin/sh
# utility variables and functions
XDG_CACHE_HOME="${XDG_CACHE_HOME:-$HOME/.cache}" # XDG basedir specification
# this variable grows automatically as long as this file is included in each
# subcommand
export subcmd="$subcmd${subcmd:+ }$(basename "$0")"
# print an error to stdout and exit
err() {
echo "error: $*" >&2
echo "run \`$subcmd --help\` for options" >&2
exit 1
}
# debug:
# bc() { tee /dev/stderr | /usr/bin/bc ; }
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