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huned/histogram

Created February 11, 2015 20:54
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histogram
#!/bin/sh
# Plot an ASCII histogram of numbers from stdin. Uses gnuplot.
# Optionally specify bin size as an argument.
if [ "$1" == '' ]; then
binsize=100
else
binsize=$1
fi
gnuplot -e "set term dumb; set key off; set yzeroaxis; plot '-' using (floor(\$1/$binsize)):(1) smooth frequency with boxes"
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