Bourne shell script

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A shell script is the Unix-style OS (Unix, Linux, OS X, etc.) version of what is known as a [[batch file]] in DOS/Windows systems, but has more sophisticated programming constructs, permitting very elaborate logic.
 
A shell script is the Unix-style OS (Unix, Linux, OS X, etc.) version of what is known as a [[batch file]] in DOS/Windows systems, but has more sophisticated programming constructs, permitting very elaborate logic.
  
Shell scripts will typically have a '''.sh''' file extension and '''#!/bin/sh''' as their first line (pointing at the path to the shell, of which /bin/sh is the traditional value, often symlinked to an actual program path somewhere else in the directory structure). It is common in general for files containing code to be executed in a scripting language (especially on Unix-style systems, but sometimes appearing on other platforms as well) to begin with a line of this form starting with '''#!''' followed by the path to the interpreter. Various shell scripts, as well as [[Perl]], etc., can be found with such a header.
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Shell scripts will typically have a '''.sh''' file extension and '''#!/bin/sh''' (see [[Shebang]]) as their first line (pointing at the path to the shell, of which /bin/sh is the traditional value, often symlinked to an actual program path somewhere else in the directory structure).
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==See also==
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* [[Batch file]]
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* [[C shell script]]
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== Sample files ==
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* {{DexvertSamples|text/unixShellScript}}
  
 
== Links ==
 
== Links ==
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* [http://www.grymoire.com/Unix/Sh.html Bourne shell tutorial]
 
* [http://www.grymoire.com/Unix/Sh.html Bourne shell tutorial]
 
* [http://explainshell.com/ Explainshell: gives help info on a particular command and its arguments]
 
* [http://explainshell.com/ Explainshell: gives help info on a particular command and its arguments]
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* [https://dev.to/thiht/shell-scripts-matter Shell Scripts Matter]

Latest revision as of 15:00, 28 December 2023

File Format
Name Bourne shell script
Ontology
Extension(s) .sh, (none)
Released 1977

A Bourne shell script is a text file intended to be executed as a set of commands for the Bourne shell, which is a shell (command line interpreter) for Unix-style operating systems. While a number of other shells exist for such operating systems, the Bourne shell (and descendants such as Bash) has been the normal default since Version 7 Unix in 1977, so it is what most computer people think of when discussing "Unix commands".

A shell script is the Unix-style OS (Unix, Linux, OS X, etc.) version of what is known as a batch file in DOS/Windows systems, but has more sophisticated programming constructs, permitting very elaborate logic.

Shell scripts will typically have a .sh file extension and #!/bin/sh (see Shebang) as their first line (pointing at the path to the shell, of which /bin/sh is the traditional value, often symlinked to an actual program path somewhere else in the directory structure).

[edit] See also

[edit] Sample files

[edit] Links

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