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ADMIRE is also able to process a tab-separated sample definition file, with the following columns:

column | explanation
-------|------------
sample_id | an arbitrary sample identifier. Note that corresponding green and red channel files need the same identifier.
file | relative or absolute path of a red or green channel idat file.
channel | indicates whether the file is from the red or green channel (can be *Red* or *Grn*).
sample_group | an arbitrary string identifying the sample group of the sample.

For example, the sample definition file could look like: 

```
sample_id	file	channel	sample_group
1	8769527070/8769527070_R01C01_Grn.idat	Grn	control
1	8769527070/8769527070_R01C01_Red.idat	Red	control
2	8769527070/8769527070_R01C02_Grn.idat	Grn	treatment
3	8769527070/8769527070_R02C01_Red.idat	Red	treatment
```

ADMIRE can then be called with `admire -s sample_definition.txt` and will look for the \*.idat files specified in the sample definition file.