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In config.fish I use type for this purpose, together with the exit code test (type brew 2>/dev/null); and brew # blahblah

• lloeki 7y ago
  type -p also works in bash/zsh
  • Fnoord 7y ago
    Fish as well, but the redirection of both stdout and stderr is different: type -p brew >/dev/null ^&1; and brew in Bash it would be: type -p brew &>/dev/null && brew Using test avoids caring about stdout/stderr.