#!/bin/bash


# [1] Launches external script
####################################################
# $1 - dependency file
syscall(){
	# (1) Check file #
	test -z $1   && exit;
	test ! -f $1 && exit;

	# (2) Call and catch output #
	OUT=$($1);

	# (3) Clean output : remove leading/ending spaces #
	OUT=$(echo $OUT | tr '\n' '\x' | sed 's/^[ \t\x]*//g' | tr '\x' '\n');
	OUT=$(echo $OUT | tr '\n' '\x' | sed 's/[ \t\x]*$//g' | tr '\x' '\n');

	# (4) Manage result #
	return $OUT;
}

# [2] Log management
####################################################
# $1 - error message
# $2 - feature
# $3 - flag
slog(){

	test -z "$1" && msg="unknown error" || msg="$1";
	test -z "$2" && feature="main"      || feature="$2";
	test -z "$3" && flag="daemon"       || flag="$3";

	test "$msg" = "-" && msg="unknown error" || msg="$1";
	test "$feature" = "-" && feature="main"  || feature="$2";
	test "$flag" = "-" && flag="daemon"      || flag="$3";

	echo "$(date +%s) [$feature] $msg" >> $LOG_DIR/$flag.log;

}