sponge Command Examples
Soak up the input before writing the output file. More information: https://manned.org/sponge.
- Append file content to the source file:
cat {{path/to/file}} | sponge -a {{path/to/file}}
- Remove all lines starting with # in a file:
grep -v '^{{#}}' {{path/to/file}} | sponge {{path/to/file}}