jyek/bash-notes.md

## bash-notes.md

      
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              bash-notes.md
            
          
    Bash Script Syntax

Scripts Should Start With Shebang

#!/bin/sh
Arguments

Arguments passed when the script is called from the command line are:
$0: script name
$1: first argument
$2: second argument
...
${10}: tenth argument
...
Variables

MYVAR=0
echo "$MYVAR" 
If Statements

if [ "$?" == "0" ]; then
  echo -n "."
else
  echo -n ".."
fi
References

http://www.zugiart.com/wiki/bash/