rwx/sh/main.sh
2024-11-25 20:46:09 +01:00

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# constants
SH_MAIN_NAME="main.sh"
SH_NAME="sh"
SH_ROOT="/etc/${SH_NAME}"
SH_MAIN="${SH_ROOT}/${SH_MAIN_NAME}"
# variables
SH_SHELL="$(cat "/proc/${$}/comm")"
SH_USER="${HOME}/${SH_NAME}"
# private
_sh_ifs_new() {
SH_IFS="${IFS}"
IFS="
"
}
_sh_ifs_pop() {
IFS="${SH_IFS}"
unset SH_IFS
}
_sh_main_log() {
case "${-}" in
*i*)
[ ${#} -gt 0 ] || set -- ""
local line
for line in "${@}"; do
echo "${line}"
done
;;
*) ;;
esac
}
# sort
_sh_main_commands() {
local file="${1}"
grep "()" "${file}" |
cut --delimiter "(" --fields 1
}
main_source_directory() {
local path="${1}"
[ -d "${path}" ] ||
return 1
local cmd count module modules
modules="$(sh_find_sh "${path}" "${SH_MAIN_NAME}")"
_sh_ifs_new
count=0
_sh_main_log "" \
". ${path}"
for module in ${modules}; do
count=$((count + 1))
_sh_main_log "$(printf "%02d" "${count}") ${module%.sh}"
module="${path}/${module}"
# shellcheck disable=SC1090
. "${module}"
cmd="$(_sh_main_commands "${module}")"
if [ -n "${cmd}" ]; then
[ -n "${CMD}" ] && CMD="${CMD}
"
CMD="${CMD}${cmd}"
fi
done
_sh_ifs_pop
}
# public
sh_find_extension() {
local extension="${1}"
local root="${2}"
local file="${3}"
set -- \
"${root}" \
-name "*.${extension}" \
-type "f"
[ -n "${file}" ] &&
set -- "${@}" \
-not \
-name "${file}"
find "${@}" \
-printf "%P\n" |
sort
}
sh_find_sh() {
sh_find_extension "sh" "${@}"
}
sh_help() {
sh_log \
"sh_… = shell functions" \
"a__… = aliases" \
"u__… = user"
}
sh_main() {
if ! main_source_directory "${SH_ROOT}"; then
_sh_main_log "Not a directory: ${SH_ROOT}"
return 1
fi
main_source_directory "${SH_USER}"
sh_log
sh_shellcheck "${SH_ROOT}"
sh_log
sh_help
}
# main
sh_main