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ユーザー権限で書けないファイルに対してリダイレクトで書き込みたい

More than 5 years have passed since last update.
$ sudo echo 'hoge' >> /var/foo/var.txt
zsh: permission denied: /var/foo/var.txt

こういうことはできないので、いちいちrootになって作業したりする人を見かけるが、そんな必要はない。こうしよう

$ sudo sh -c "echo 'hoge' >> /var/foo/var.txt"
nobu666
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