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function spark --description Sparklines
argparse --ignore-unknown --name=spark v/version h/help m/min= M/max= -- $argv || return
if set --query _flag_version[1]
echo "spark, version 1.1.0"
else if set --query _flag_help[1]
echo "Usage: spark <numbers ...>"
echo " stdin | spark"
echo "Options:"
echo " --min=<number> Minimum range"
echo " --max=<number> Maximum range"
echo " -v or --version Print version"
echo " -h or --help Print this help message"
echo "Examples:"
echo " spark 1 1 2 5 14 42"
echo " seq 64 | sort --random-sort | spark"
else if set --query argv[1]
printf "%s\n" $argv | spark --min="$_flag_min" --max="$_flag_max"
else
command awk -v min="$_flag_min" -v max="$_flag_max" '
{
m = min == "" ? m == "" ? $0 : m > $0 ? $0 : m : min
M = max == "" ? M == "" ? $0 : M < $0 ? $0 : M : max
nums[NR] = $0
}
END {
n = split("▁ ▂ ▃ ▄ ▅ ▆ ▇ █", sparks, " ") - 1
while (++i <= NR)
printf("%s", sparks[(M == m) ? 3 : sprintf("%.f", (1 + (nums[i] - m) * n / (M - m)))])
}
' && echo
end
end
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