Andrey Rodionov rdnvndr

Bash scripting cheatsheet

by Lee2sman
Updated 2017-09-18

Bash shebang

#!/usr/bin/env bash for portability, or less good, #!/bin/bash

Commenting

What is Regular Expression?

Regular expression is a group of characters or symbols which is used to find a specific pattern from a text.

A regular expression is a pattern that is matched against a subject string from left to right. The word "Regular expression" is a

GNU screen quick reference

http://aperiodic.net/screen/quick_reference

How to Navigate, copy & paste content?

within screen sessions: Cntl a + [ : To start navigation using up/down arrow Press Space bar: To select content starting position

Bash Cheat Sheet

Source: http://www.johnstowers.co.nz/blog/pages/bash-cheat-sheet

This file contains short tables of commonly used items in this shell. In most cases the information applies to both the Bourne shell (sh) and the newer bash shell.

Tests (for ifs and loops) are done with [ ] or with the test command.

	#!/bin/bash

	# Before running this make sure Caddy and Docker are installed:
	# https://gist.github.com/codycraven/bba48dcdcd87a9df4e2bb87834b5a65d
	# https://gist.github.com/codycraven/24752be91b676b1c193771a652f4b60d

	# Get sudo
	sudo echo

	# Manual configuration

	cmake_minimum_required(VERSION 3.9.0)
	project(proj0)

	file(GLOB_RECURSE sources ../src/*.cpp)
	file(GLOB_RECURSE sources_test ../src/test/*.cpp)
	file(GLOB_RECURSE data ../resources/*)

	add_executable(main ${sources} ${data})

	set(CMAKE_BINARY_DIR ${CMAKE_SOURCE_DIR}/../bin)

	#include <iostream>
	#include <limits.h>
	#include <stdlib.h>
	#include <dlfcn.h>
	#include <string.h>
	#include <set>
	#include <dirent.h>
	#include <sys/stat.h>

	#include "coreclrhost.h"

	#include <string>
	#include <cstring>
	#include <vector>
	#include <sstream>
	#include <cstdio>
	#include <iostream>

	#ifdef WIN32
	# include <fcntl.h>
	# include <windows.h>

	// c - __attribute__((constructor)) equivalent in VC? - Stack Overflow
	// http://stackoverflow.com/questions/1113409/attribute-constructor-equivalent-in-vc/2390626#2390626
	// Rev.5

	// Initializer/finalizer sample for MSVC and GCC/Clang.
	// 2010-2016 Joe Lowe. Released into the public domain.
	#include <stdio.h>
	#include <stdlib.h>

	#ifdef __cplusplus

	#!/usr/bin/env bash
	#
	# Author: Stefan Buck
	# License: MIT
	# https://gist.github.com/stefanbuck/ce788fee19ab6eb0b4447a85fc99f447
	#
	#
	# This script accepts the following parameters:
	#
	# * owner