19 lines
387 B
Bash
19 lines
387 B
Bash
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#! /bin/bash
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pascal() {
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local -i n=${1:-1}
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if (( n <= 1 )); then
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echo 1
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else
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local output=$( $FUNCNAME $((n - 1)) )
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set -- $( tail -n 1 <<<"$output" ) # previous row
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echo "$output"
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printf "1 "
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while [[ -n $1 ]]; do
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printf "%d " $(( $1 + ${2:-0} ))
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shift
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done
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echo
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fi
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}
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pascal "$1"
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