HTN20190109 https://blog.hatena.ne.jp/HTN20190109/ HTN20190109の日記 https://htn20190109.hatenablog.com/ OS Ubuntu (20)https://www.mazn.net/blog/2013/02/24/854.html 10進数=>2進数bc <<< "obase=2;ibase=10;9999" 2進数=>10進数bc <<< "obase=10;ibase=2;10011100001111"echo $((2#10011100001111)) 10進数=>8進数bc <<< "obase=8;ibase=10;9999"printf '%o\n' 9999 8進数=>10進数bc <<< "obase=10;ibase=8;23417"echo $((8#23417))printf '%d\n… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F12%2F12%2F060949" title="シェルで基数変換 - HTN20190109の日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2021-12-12 06:09:49 rich https://htn20190109.hatenablog.com/entry/2021/12/12/060949 1.0 100%