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请输入英文单字，中文词皆可：

shebang    
n. 事情,工作,陋屋,住所

事情,工作,陋屋,住所

shebang
n 1: an entire system; used in the phrase `the whole shebang'

Shebang \She*bang"\, n. [Cf. {Shebeen}.]
1. A jocosely depreciative name for a dwelling or shop; a
primitive dwelling; a shanty. [Slang, U.S.]
[1913 Webster]

2. The structure of an object, process, organization, or
anything viewed as complicated; -- used primarily in the
phrase

{the whole shebang}; as, it comes with unnecessary frills,
but you have to buy the whole shebang. [informal]
[PJC]

3. (computers) [Possibly derived from shell bang; the
character ! is referred to in some computer contexts as
bang.] The character sequence #!, which frequently begins
shell scripts in a Unix system.
[PJC]

(Or "shebang line", "{bang path}")
/sh*-bang'/ (From "{sharp}" and "{bang}") The {magic cookie}
"#!" used in {Unix} to mark the start of a {script}, e.g. a
{shell script} or {Perl script}.

Under {Unix}, if the first two bytes of an {executable} file
are "#!", the {kernel} treats the file as a script rather than
a {machine code} program. The word following the "!" (i.e.,
everything up to the first {whitespace}) is used as the
{pathname} of the {interpreter}. For example, if the first
line of an executable is

#!/usr/local/bin/perl

the script will be treated as a {Perl} script and passed as an
argument to /usr/local/bin/perl to be interpreted. Some
variants of Unix also allow one or more parameters to be
passed to the interpreter, for example, you can write

#!/usr/bin/perl -w

and the script will be started as if you typed

/usr/bin/perl -w

on the command line. Also, most modern kernels ignore any
whitespace between the "!" and the interpreter pathname. Even
some modern kernels have fairly small limits (e.g. 32) on the
length of line they will accept, making long pathnames and
arguments somewhat unportable.

[Does anyone call this a "magic string"?]

(1998-05-06)


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  • Shebang (Unix) - Wikipedia
    The shebang characters are represented by the same two bytes in extended ASCII encodings, including UTF-8, which is commonly used for scripts and other text files on current Unix-like systems
  • What does shebang mean? - Merriam-Webster
    'Shebang' entered English around the time of the Civil War and has been used to refer to a type of dwelling, a vehicle, or a drinking establishment Though theories abound, no one is entirely certain where the word comes from
  • Using Shebang in Linux - GeeksforGeeks
    The shebang is an interpreter directive used in Unix-like operating systems It is a character sequence, #!, that constitutes the first line of a script This line specifies the absolute path to the system interpreter (such as bash, python3, or perl) required to execute the commands within the script You will use a shebang to:
  • What is Shebang in Linux Shell Scripting?
    The shebang #! characters at the beginning of a shell script has a major significance on how your script will be executed
  • Bash Shebang Explained (#! bin bash) - Linuxize
    Learn what the shebang (#!) line is in Bash scripts, how to use #! bin bash and #! usr bin env bash, and best practices for script portability
  • Shebang - Linux Bash Shell Scripting Tutorial Wiki - nixCraft
    #! bin bash is a sequence of characters (#!) called shebang and is used to tell the Linux OS which interpreter to use to parse the rest of the file You will always see #! bin bash or #! usr bin env bash as the first line when writing or reading bash scripts
  • Why is shebang called shebang? - Unix Linux Stack Exchange
    Among UNIX shell (user interface) users, a shebang is a term for the "#!" characters that must begin the first line of a script In musical notation, a "#" is called a sharp and an exclamation point - "!" - is sometimes referred to as a bang Thus, shebang becomes a shortening of sharp-bang
  • What is Shebang (#! bin bash) in Bash Script? [Explained]
    The Bash shebang is a symbol (denoted by #!) used in a Bash script of the Linux operating system to specify the interpreter that should be used to execute the script
  • What is the preferred Bash shebang (#!)? - Stack Overflow
    Using a shebang line to invoke the appropriate interpreter is not just for BASH You can use the shebang for any interpreted language on your system such as Perl, Python, PHP (CLI) and many others
  • Shebang Bash: Explained with Examples - TheLinuxCode
    First, a quick definition for those new to Linux – the shebang (also called hashbang) refers to the special #! sequence at the start of scripts It contains the full path to the interpreter that should execute the file





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