shell-base/module.base

module_confirm() {
local FILE
local DIR
local NAME
DIR=$1
NAME=$2
FILE="$(command find -L ${DIR} -type f -name "${NAME}.mod" -o -name "${NAME}".lib -o -name "${NAME}".func -o -name "${NAME}".sh -o -name "${NAME}".env)"
COUNT=0
if [ "$FILE" ]; then
  COUNT=$(echo $FILE | xargs -n 1 | wc -l)
fi
if [ $COUNT -gt 1 ]; then
  >&2 echo two or more modules of same name found, aborting
  >&2 echo $FILE | xargs -n 1
  return 1
fi
[[ $COUNT == 1 ]] && echo $FILE
}
module_find() {
[ ! $1 ] && >&2 echo "no module specified" && return 1
local MDIRS
local MDIR
local DIRS
local MODULE=$1
DIRS=( ${BASH_SHELL_DIRS:-$BASH_SHELL_BASE} ${BASH_SHELL_NETWORKS_LOADED} )
[ -d BASH_SHELL_USER_DIR ] && DIRS=("${DIRS[@]}" "BASH_SHELL_USER_DIR")
[ -d $BASH_SHELL_DEV ] && DIRS=("${DIRS[@]}" "$BASH_SHELL_DEV")
DIRS=("${DIRS[@]/%/\/modules}")
DIRS=("${MODULE_DIRS[@]}" "${DIRS[@]}")
cnt=${#DIRS[@]}
for ((i=1;i<=cnt;i++)); do
    DIR="${DIRS[cnt-i]}"
    if [[ -d $DIR ]]; then 
    RES=$(module_confirm "$DIR" "$MODULE")
     [ $? -eq 0 ] && echo $RES && return 0
    fi 
  done
  >&2 echo no module found anywhere
  return 1
  
}
module_load() {
local module;local mpath  
[ ! $1 ] && >&2 echo "no module specified" && return 1
local FILE
for module in "$@"
do
  eval "_${module}_ () { echo "$fname test"; }"
  mpath=$(module_find $module)
  [ $? -ne 0 ] && >&2 echo extreme warning: no module $1 found, so was not loaded
  source $mpath "$@"
done
}
shell_run () {
bash -ci ". ${1}"
}