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Bash Buddy

bsb helps you remember bash syntax without having to look it up. Just compile bsb.c and put it in you PATH.

Usage

To use bsb, you need to pass a query enclosed in quotes.

bsb "[QUERY]"

The query is matched against a set of predefined queries and the corresponding usage example is printed.

Example

bash-3.2$ bsb "command"
Based on your input we guessed your query is about: pipe command
Use: command1 | command2
    Usage: Sends stdout of one command/process to stdin of 
           Note that not all commands read from stdin or write to stdout!
    Example: 
        cat file.txt | grep "pattern"

Query Options

Do bsb --help to see all options.

Here are the available query options:

  • "variable declaration": how to declare a variable
  • "data types - string integer list": different data types in bash
  • "strings": how to work with strings
  • "arrays": how to work with arrays
  • "string interpolation": how to interpolate a string (also called parameter expansion)
  • "arithmetic expression": how to perform arithmetic operations
  • "sequence": how to create a sequence of numbers
  • "test expression": how to test whether a statement is true or false
  • "command substitution": how to substitute a command for the output of the command
  • "pipe command": how to send the output of one command to the input of the next
  • "redirection": how to redirect the output of a command from and to files or commands
  • "conditional statements": how to perform conditional execution based on a condition
  • "for loop": repeat a block of code multiple times with for
  • "while loop": repeat a block of code multiple times with while
  • "until loop": repeat a block of code multiple times with until
  • "functions": how to define and use functions
  • "exit status": how to check the exit status of a command
  • "trap": how to catch signals