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Enter a command. For example: gitk, git diff files, is up, whois.

sponge

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}}