why is the terminal tool reporting brew not found but brew is working.

bash: brew: command not found
The default interactive shell is now zsh.
To update your account to use zsh, please run `chsh -s /bin/zsh`.
For more details, please visit https://support.apple.com/kb/HT208050.
(base) bash-3.2$ arch
arm64
(base) bash-3.2$

   1   │ if [[ "$(uname)" == "Darwin" ]]; then

   2   │   alias sed="/opt/homebrew/bin/gsed"

   3   │   alias awk="/opt/homebrew/bin/gawk"

   4   │ else

   5   │   alias sed='sed'

   6   │   alias awk='awk'

   7   │ fi

   8   │ shopt -s expand_aliases

   9   │

  10   │ [[ -r "/opt/homebrew/etc/profile.d/bash_completion.sh" ]] && . "/opt/homebrew/etc/profile.d/bash_completion.sh"

  11   │

  12   │ if [ -f ~/.git-completion.bash ]; then

  13   │   . ~/.git-completion.bash

  14   │ fi

  15   │

  16   │

  17   │ if [ "$(arch)" = "arm64" ]; then

  18   │   eval $(/opt/homebrew/bin/brew shellenv);

  19   │ else

  20   │   eval $(/usr/local/bin/brew shellenv);

  21   │ fi

  22   │

  23   │ if [ "$(arch)" = "arm64" ]; then

  24   │ # >>> conda initialize >>>

  25   │ # !! Contents within this block are managed by 'conda init' !!

  26   │ __conda_setup="$('/opt/homebrew/Caskroom/miniforge/base/bin/conda' 'shell.bash' 'hook' 2> /dev/null)"

  27   │ if [ $? -eq 0 ]; then

  28   │     eval "$__conda_setup"

  29   │ else

  30   │     if [ -f "/opt/homebrew/Caskroom/miniforge/base/etc/profile.d/conda.sh" ]; then

  31   │         . "/opt/homebrew/Caskroom/miniforge/base/etc/profile.d/conda.sh"

  32   │     else

  33   │         export PATH="/opt/homebrew/Caskroom/miniforge/base/bin:$PATH"

  34   │     fi

  35   │ fi

  36   │ unset __conda_setup

  37   │ # <<< conda initialize <<<

  38   │ fi

  39   │

  40   │

  41   │ if [ "$(arch)" != "arm64" ]; then

  42   │ # >>> conda initialize >>>

  43   │ # !! Contents within this block are managed by 'conda init' !!

  44   │ __conda_setup="$('/usr/local/Caskroom/miniforge/base/bin/conda' 'shell.bash' 'hook' 2> /dev/null)"

  45   │ if [ $? -eq 0 ]; then

  46   │     eval "$__conda_setup"

  47   │ else

  48   │     if [ -f "/usr/local/Caskroom/miniforge/base/etc/profile.d/conda.sh" ]; then

  49   │         . "/usr/local/Caskroom/miniforge/base/etc/profile.d/conda.sh"

  50   │     else

  51   │         export PATH="/usr/local/Caskroom/miniforge/base/bin:$PATH"

  52   │     fi

  53   │ fi

  54   │ unset __conda_setup

  55   │ # <<< conda initialize <<<

  56   │ fi

  57   │

  58   │ export COPYFILE_DISABLE=true

  59   │

  60   │ export PDSH_SSH_ARGS_APPEND="-q  -o StrictHostKeyChecking=no"