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diff --git a/spark b/spark
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-#!/usr/bin/env bash
-#
-# spark
-# https://github.com/holman/spark
-#
-# Generates sparklines for a set of data.
-#
-# Here's a a good web-based sparkline generator that was a bit of inspiration
-# for spark:
-#
-#   https://datacollective.org/sparkblocks
-#
-# spark takes a comma-separated list of data and then prints a sparkline out of
-# it.
-#
-# Examples:
-#
-#   spark 1 5 22 13 53
-#   # => ▁▁▃▂▇
-#
-#   spark 0 30 55 80 33 150
-#   # => ▁▂▃▅▂▇
-#
-#   spark -h
-#   # => Prints the spark help text.
-
-# Generates sparklines.
-#
-# $1 - The data we'd like to graph.
-spark()
-{
-  local n numbers=
-
-  # find min/max values
-  local min=0xffffffff max=0
-
-  for n in ${@//,/ }
-  do
-    # on Linux (or with bash4) we could use `printf %.0f $n` here to
-    # round the number but that doesn't work on OS X (bash3) nor does
-    # `awk '{printf "%.0f",$1}' <<< $n` work, so just cut it off
-    n=${n%.*}
-    (( n < min )) && min=$n
-    (( n > max )) && max=$n
-    numbers=$numbers${numbers:+ }$n
-  done
-
-  # print ticks
-  local ticks=(▁ ▂ ▃ ▄ ▅ ▆ ▇ █)
-
-  local f=$(( (($max-$min)<<8)/(${#ticks[@]}-1) ))
-  (( f < 1 )) && f=1
-
-  for n in $numbers
-  do
-    echo -n ${ticks[$(( ((($n-$min)<<8)/$f) ))]}
-  done
-  echo
-}
-
-# If we're being sourced, don't worry about such things
-if [ "$BASH_SOURCE" == "$0" ]; then
-  # Prints the help text for spark.
-  help()
-  {
-    cat <<EOF
-
-    USAGE:
-      spark [-h] VALUE,...
-
-    EXAMPLES:
-      spark 1 5 22 13 53
-      ▁▁▃▂█
-      spark 0,30,55,80,33,150
-      ▁▂▃▄▂█
-      echo 9 13 5 17 1 | spark
-      ▄▆▂█▁
-EOF
-  }
-
-  # show help for no arguments if stdin is a terminal
-  if { [ -z "$1" ] && [ -t 0 ] ; } || [ "$1" == '-h' ]
-  then
-    help
-    exit 0
-  fi
-
-  spark ${@:-`cat`}
-fi