masakielastic/01-README.md

Created July 17, 2025 08:33

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コードポイントと文字の往復変換コマンドを作成する

Raw

01-README.md

コードポイントと文字の変換コマンドを作成する

chmod +x ord
chmod +x chr

> ord あ
3042

> chr 3042
あ

> ord あいうえお
3042 3044 3046 3048 304A

> chr 3042 3044 3046 3048 304A
あいうえお

Raw

02-ord

	input="$1"
	echo -n "$input" \
	\| grep -oP . \
	\| while IFS= read -r char; do
	printf '%X ' "'$char"
	done
	echo

Raw

03-chr

	for cp in "$@"; do
	printf '%b' "\\U$(printf '%08X' 0x$cp)"
	done
	printf '\n'

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