Linuxコマンドで連続した日付を生成したいことがたまにあるので、自分用のメモとして残しておきます。たとえば2023/09/07から15日連続した日付を生成したい場合、次のようなワンライナーで実現可能です。

seq 0 14 | xargs -I{} date -d 2023/09/07+{}days +%Y/%m/%d

実行結果は以下の通りです。

環境情報

$ seq --version
seq (GNU coreutils) 8.30
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

作者 Ulrich Drepper。


$ xargs --version
xargs (GNU findutils) 4.7.0
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Eric B. Decker, James Youngman, and Kevin Dalley.


$ date --version
date (GNU coreutils) 8.30
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

作者 David MacKenzie。