3. Interpolate Multiple Source Files

With these files present in your working directory:

consequat.propertiesullamco_1.txtullamco_2.txtullamco_3.txt

properties

ALIQUA=adipisicing
SUNT=excepteur sunt
CILLUM_CULPA=exercitation

txt

Deserunt elit ${ALIQUA} aliquip

txt

Minim fugiat quis magna pariatur officia non ${SUNT} lorem dolor.

txt

Consectetur minim ${CILLUM_CULPA} ${ALIQUA} non laboris proident.

When the following command is executed:

$ dotenv-subst --env-file=consequat.properties ullamco_1.txt ullamco_2.txt ullamco_3.txt

The interpolated output is written to the file(s) below:

ullamco_1.txtullamco_2.txtullamco_3.txt

txt

Deserunt elit adipisicing aliquip

txt

Minim fugiat quis magna pariatur officia non excepteur sunt lorem dolor.

txt

Consectetur minim exercitation adipisicing non laboris proident.

🔍 Further Reading

Check out the supported syntax for defining interpolation variables in your source files.
All available command options and flags are documented in CLI Options Reference.