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diff --git a/bash.html.markdown b/bash.html.markdown new file mode 100644 index 00000000..ea0a28da --- /dev/null +++ b/bash.html.markdown @@ -0,0 +1,44 @@ +--- + +language: bash +contributors: + - ["Max Yankov", "https://github.com/golergka"] +filename: LearnBash.sh + +--- + +Bash is a name of the unix shell, which was also distributed as the shell for the GNU operating system and as default shell on Linux and Mac OS X. +Nearly all examples below can be a part of a shell script or executed directly in the shell. + +[Read more here.](http://www.gnu.org/software/bash/manual/bashref.html) + +```bash +#!/bin/sh +# First line of the script is shebang which tells the system how to execute the script: http://en.wikipedia.org/wiki/Shebang_(Unix) +# As you already figured, comments start with #. Shebang is also a comment. + +# Simple hello world example: +echo 'Hello, world!' + +# Each command starts on a new line, or after semicolon: +echo 'This is the first line'; echo 'This is the second line' + +# Declaring a variable looks like this: +VARIABLE="Some string" + +# But not like this: +VARIABLE = "Some string" # Bash will decide that VARIABLE is a command he must execute and give an error because it couldn't be found. + +# Using the variable: +echo $VARIABLE +echo "$VARIABLE" + +# We have the usual if structure: +if true +then + echo "This is expected" +else + echo "And is was not" +fi + +```
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