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the awk version is interesting NR==FNR

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fcicq のブックマーク 2022/08/13 06:16

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://b.hatena.ne.jp/entry/4669847212737443458/comment/fcicq" data-user-id="fcicq" data-entry-url="https://b.hatena.ne.jp/entry/s/stackoverflow.com/questions/2509533/bash-linux-set-difference-between-two-text-files" data-original-href="https://stackoverflow.com/questions/2509533/bash-linux-set-difference-between-two-text-files" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F2509533%2Fbash-linux-set-difference-between-two-text-files" data-user-icon="/users/fcicq/profile.png">bash, Linux: Set difference between two text files</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://b.hatena.ne.jp/q/tools">tools</a>]</li></ul><br><p style="clear: left">the awk version is interesting NR==FNR</p><a class="datetime" href="https://b.hatena.ne.jp/fcicq/20220813#bookmark-4669847212737443458"><span class="datetime-body">2022/08/13 06:16</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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bash, Linux: Set difference between two text files

stackoverflow.com2015/08/28

I have two files A-nodes_to_delete and B-nodes_to_keep. Each file has a many lines with numeric ids. I want to have the list of numeric ids that are in nodes_to_delete but NOT in nodes_to_keep, i.e...

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