inspec/docs/resources/bash.md.erb
Kimberly Garmoe b45b77cd13 Simplifies 'matchers' language in docs (#2496)
Signed-off-by: kagarmoe <kgarmoe@chef.io>
2018-01-31 07:24:16 -05:00

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---
title: About the bash Resource
---
# bash
Use the `bash` InSpec audit resource to test an arbitrary command that is run on the system using a Bash script.
<br>
## Syntax
A `command` resource block declares a command to be run, one (or more) expected outputs, and the location to which that output is sent:
describe bash('command') do
it { should exist }
its('matcher') { should eq 'output' }
end
where
* `'command'` must specify a command to be run
* `'matcher'` is one of `exit_status`, `stderr`, or `stdout`
* `'output'` tests the output of the command run on the system versus the output value stated in the test
For example:
describe bash('ls -al /') do
its('stdout') { should match /bin/ }
its('stderr') { should eq '' }
its('exit_status') { should eq 0 }
end
<br>
## Matchers
For a full list of available matchers please visit our [matchers page](https://www.inspec.io/docs/reference/matchers/).
### exist
The `exist` matcher tests if a command may be run on the system:
it { should exist }
### exit_status
The `exit_status` matcher tests the exit status for the command:
its('exit_status') { should eq 0 }
### stderr
The `stderr` matcher tests results of the command as returned in standard error (stderr):
its('stderr') { should eq '' }
### stdout
The `stdout` matcher tests results of the command as returned in standard output (stdout).
its('stdout') { should match /bin/ }