add: common.sh and modified

from: https://cuynutt.ddns.net/mbcp/mbbpatch/src/branch/dev/MBCPApp/common.sh
author: fukiame, cuynu

Signed-off-by: ncatt <ncatt@noreply.cuynutt>

main/common.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+# vim: expandtab tabstop=4 shiftwidth=4
+
+# imported from https://github.com/dylanaraps/pure-bash-bible
+bb_split() {
+    # Usage: split "string" "delimiter" "count"
+    IFS=$'\n' read -d "" -ra arr <<< "${1//$2/$'\n'}"
+    # printf '%s\n' "${arr[@]}"
+    printf '%s\n' "${arr[$3]}"
+}
+
+# imported from https://github.com/dylanaraps/pure-sh-bible
+lstrip() {
+    # Usage: lstrip "string" "pattern"
+    printf '%s\n' "${1##$2}"
+}
+
+# imported from https://github.com/dylanaraps/pure-sh-bible
+rstrip() {
+    # Usage: rstrip "string" "pattern"
+    printf '%s\n' "${1%%$2}"
+}
+
+# imported from https://github.com/dylanaraps/pure-bash-bible
+strip_all() {
+    # Usage: strip_all "string" "pattern"
+    printf '%s\n' "${1//$2}"
+}
+
+good() {
+    echo -e "\033[32m[$(date +"%H:%M:%S:%2N")] [INFO] $1\033[0m"
+}
+
+info() {
+    echo "[$(date +"%H:%M:%S:%2N")] [INFO] $1"
+}
+
+warn() {
+    echo -e "\033[33m[$(date +"%H:%M:%S:%2N")] [WARN] $1\033[0m"
+}
+
+err() {
+    echo -e "\033[31m[$(date +"%H:%M:%S:%2N")] [ERROR] $1\033[0m"
+}
+
+confirm() {
+    read -rp "$1
+Press Y to confirm, press any other keys to cancel: " val
+    case "$val" in
+        Y|y|yes|Yes) : ;;
+        *) return 69 ;;
+    esac
+}
+
+