samwho/spacer: CLI tool to insert spacers when command output stops

spacer is a simple CLI tool to insert spacers when command output stops.

If you’re the type of person that habitually presses enter a few times in your
log tail to know where the last request ended and the new one begins, this tool
is for you!

With Homebrew:

Direct from Cargo:

By default, spacer outputs a spacer after 1 second with no output. You can
change this with the --after flag.

tail -f some.log | spacer --after 5

--after accepts a number of seconds, and allows floating point numbers for
extra precision.

Some commands output most of their information on STDERR, not STDOUT. spacer
only monitors STDOUT, so if you find a situation where spacer doesn’t seem
to be working it could be that the program you’re piping from is using STDERR.

To “fix” that, pipe both STDERR to STDOUT to spacer by using |& instead of
| as the pipe characters:

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