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第29回シェル芸勉強会 Q4(4.1, 4.2両方)
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#!/bin/sh | |
#Q4.1 | |
echo -1 4 5 2 42 421 44 311 -9 -11 | # 数列の出力 | |
tr ' ' '\n' | # 1レコード1フィールドに整形 | |
sort -n | # 数値順でソート | |
awk '{print $0,sub(/-/, "", $0),gsub(/[0-9]/, "", $0)}' | # 1:数値, 2:正負フラグ 3:数値長 を出力 | |
awk '{arr[$2,$3] = arr[$2,$3]" "$1} END{for(n in arr){print arr[n]}}' | # 2:正負フラグ,3:数値長 をキーとして、1:数値を集計 | |
sort -k 1,1n # カテゴリ順にソート | |
#Q4.2 | |
echo -1 +4 5 2 42 421 44 311 -9 -11 | | |
tr ' ' '\n' | | |
sort -n | | |
awk '{print $0,sub(/-/, "", $0),gsub(/[0-9]/, "", $0)}' | | |
awk '{arr[$2,$3] = arr[$2,$3]" "$1} END{for(n in arr){print arr[n]}}' | | |
sort -k 1,1n |
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