44 lines
2.0 KiB
Bash
44 lines
2.0 KiB
Bash
# shellcheck shell=sh
|
|
## rc.sh calls user defined functions
|
|
# author: Yann "aya" Autissier
|
|
# license: MIT
|
|
# updated: 2021/03/04
|
|
|
|
case $- in
|
|
# if we are in an interactive shell
|
|
*i*)
|
|
# load user stuff from ~/.rc.d/* files
|
|
for file in "${HOME}"/.rc.d/*; do
|
|
# read files only
|
|
if [ -f "${file}" ]; then
|
|
func_name=$(basename "${file}")
|
|
func_args=$(cat "${file}")
|
|
# at this stage, func_name can start with numbers to allow ordering function calls with file names starting with numbers
|
|
# func_name must start with a letter, remove all other characters at the beginning of func_name until a letter is found
|
|
while [ "${func_name}" != "" ] && [ "${func_name#[a-z]}" = "${func_name}" ]; do
|
|
# remove first char of func_name
|
|
func_name="${func_name#?}"
|
|
done
|
|
# call user function with args passed from the content of the file
|
|
command -v "${func_name}" >/dev/null 2>&1 && "${func_name}" "${func_args}"
|
|
fi
|
|
done
|
|
# load user stuff from RC_* env vars
|
|
IFS="$(printf '%b_' '\n')"; IFS="${IFS%_}"; for line in $(printenv 2>/dev/null |awk '$0 ~ /^RC_[1-9A-Z_]*=/'); do
|
|
func_name=$(printf '%s\n' "${line%%=*}" |awk '{print tolower(substr($0,4))}')
|
|
eval func_args=\$"${line%%=*}"
|
|
[ "${func_args}" = "false" ] && continue
|
|
[ "${func_args}" = "true" ] && unset func_args
|
|
# at this stage, func_name can start with numbers to allow ordering function calls with file names starting with numbers
|
|
# func_name must start with a letter, remove all other characters at the beginning of func_name until a letter is found
|
|
while [ "${func_name}" != "" ] && [ "${func_name#[a-z]}" = "${func_name}" ]; do
|
|
# remove first char of func_name
|
|
func_name="${func_name#?}"
|
|
done
|
|
# call user function with args passed from the value of the env var
|
|
command -v "${func_name}" >/dev/null 2>&1 && "${func_name}" "${func_args}"
|
|
done
|
|
unset IFS
|
|
;;
|
|
esac
|