シェルで数値を3桁ごとにカンマ区切り

• Ubuntu

(22)
https://genzouw.com/entry/2020/02/04/140039/1912/
https://dampgblog.hinohikari291.com/SedTestCommand/

echo 1234567890 | sed -E ':loop; s/^([0-9]+)([0-9]{3})/\1,\2/; t loop;';

• Debian

(12)
https://genzouw.com/entry/2020/02/04/140039/1912/
https://dampgblog.hinohikari291.com/SedTestCommand/

echo 1234567890 | sed -E ':loop; s/^([0-9]+)([0-9]{3})/\1,\2/; t loop;';

• CentOS

(RL9)
https://genzouw.com/entry/2020/02/04/140039/1912/
https://dampgblog.hinohikari291.com/SedTestCommand/

echo 1234567890 | sed -E ':loop; s/^([0-9]+)([0-9]{3})/\1,\2/; t loop;';

• Windows Server

(2022)
https://blog.powershell-from.jp/?p=214

(1234567890).ToString("#,#")