spark - ▁▂▃▅▂▇ in your shell.

Sparklines for Your Shell Here's a graph of your productivity gains after using spark: ▁▂▃▅▇ Installation Simply run make and sudo make install. The DESTDIR controls prefix, which is /usr/local by default. Usage Just run spark and pass it a space deliminated list of numbers. It's designed to be used in conjunction with other scripts that can output in that format. $ spark 0 30 55 80 33 150 ▁▂▄▅▃█ If no arguments are passed, it will read from stdin a set of numbers delimited by any character except 0 through 9, - (dash), . (period), e, and E. $ echo "7,6, 5, 4 3 2 1" | spark █▇▆▅▄▃▂ It's pretty resilient on the input it will take, which should make shell scripting with it easier: $ echo "12,1 6 8*3,1i5i2(4 % 7 =3" | spark █▂▅▆▃▂▄▂▃▅▃ Invoke help with spark -h. Examples Magnitude of earthquakes over 1.0 in the last 24 hours: $ curl -s http://earthquake.usgs.gov/earthquakes/catalogs/eqs1day-M1.txt | cut -d, -f9 | spark ▁▂▂▂▁▂▁▁▁▂▁▄▁▂▂▂▃▁▂▂▂▃▃▂▂▂▂▁▁▁▁▁▂▁▂▆▃▂▂▂▂▁▅▂▂▂▆▂▁▂▂▂▂▁▁▂▃▂▃▁▁▁▁▅▂▃▂▄▁▃▁▂▁▂▁▅▁▁▂▅▁▂▁▂▁▁▁▂▁▁▁▁▁▁▃▁▂ Number of commits in a git repo per active day: $ git log --pretty=format:%ai --reverse | cut -d' ' -f1 | uniq -c | awk '{print $1}' | spark ▁▂▄▃▃▂▃▃▄▄▄▃▁▂▁▁▄▃█▃▂▂▅▄▄▃▂▄▃▇▄▂▄▁▁▂▅▂▂▁▂▁▂▂▄▅▃▂▃▂▂▂▂▄▂▂▁▄▂▁▂▂▃▂▂▂▁▂▂▂▄▂▃▃▆▅▂▂▄▅▃▁▂▁▁▂▁▂▂▄▁▁▂▃▂▂▄ Characters per line in spark.c: $ awk '{print length($0)}' spark.c | grep -Ev '^0$' | spark ▂▂▂▂▂▂▂▃▁█▆▆▂▁▂▂▃▃▂▂▄▂▂▂▁▃▃▃▂▃▂▁▂▂▂▂▂▂▄▂▂▂▁▂▂▂▇▂▂▂▂▂▁▂▂▃▂▅▂▃▂▁▁▃▃▃▃▃▂▁▂▁▁▃▂▂▃▃▂▂▇▁▂▂▂▁