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Usually, since 'command' is a builtin, `command -v fzf` will give a Errno::ENOENT: No such file or directory - command Add a ';' to force `...` to launch the shell, where 'command' will be a builtin. And add a 'chomp' to remove the extra new line.
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Yes indeed, since you only want to know if |
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Based on the changes made in #1.
The
systemcommand returnsnilwhen execution fails. Since there is no One True Way(tm) for this I think runningsystemis the safest way and best of all, it abstracts away the exit-code checking in the process.