您可以使用$0来确定您的脚本名称(带完整路径)-要获得只有您可以使用该变量的脚本名称

basename $0

在bash中，您可以使用$0获取脚本文件名。通常$1，$2等用于访问CLI参数。类似地，$0是访问触发脚本的名称(脚本文件名)。

#!/bin/bash
echo "You are running $0"
...
...

如果你使用/path/to/script.sh这样的路径调用脚本，那么$0也会给出带有路径的文件名。在这种情况下，需要使用$(basename $0)来获取脚本文件名。

这对./self.sh， ~/self.sh, source self.sh, source ~/self.sh很有效:

#!/usr/bin/env bash

self=$(readlink -f "${BASH_SOURCE[0]}")
basename=$(basename "$self")

echo "$self"
echo "$basename"

演职员:我综合了多个答案才得到这个答案。

回显“您正在运行$0”

如果脚本名中有空格，更可靠的方法是使用"$0"或"$(basename "$0")"-或MacOS: "$(basename \"$0\")"。这可以防止名称以任何方式被破坏或解释。一般来说，在shell中始终使用双引号作为变量名是一种良好的实践。

我发现这一行总是有效的，无论文件是源文件还是作为脚本运行。

echo "${BASH_SOURCE[${#BASH_SOURCE[@]} - 1]}"

如果你想遵循符号链接，在上面得到的路径上使用readlink，递归或非递归。

单行程序工作的原因可以通过使用BASH_SOURCE环境变量及其关联的FUNCNAME来解释。

BASH_SOURCE An array variable whose members are the source filenames where the corresponding shell function names in the FUNCNAME array variable are defined. The shell function ${FUNCNAME[$i]} is defined in the file ${BASH_SOURCE[$i]} and called from ${BASH_SOURCE[$i+1]}. FUNCNAME An array variable containing the names of all shell functions currently in the execution call stack. The element with index 0 is the name of any currently-executing shell function. The bottom-most element (the one with the highest index) is "main". This variable exists only when a shell function is executing. Assignments to FUNCNAME have no effect and return an error status. If FUNCNAME is unset, it loses its special properties, even if it is subsequently reset. This variable can be used with BASH_LINENO and BASH_SOURCE. Each element of FUNCNAME has corresponding elements in BASH_LINENO and BASH_SOURCE to describe the call stack. For instance, ${FUNCNAME[$i]} was called from the file ${BASH_SOURCE[$i+1]} at line number ${BASH_LINENO[$i]}. The caller builtin displays the current call stack using this information.

[来源:Bash手册]