Edit current command in editor like bash C-x C-e (ctrl-x ctrl-e) for bash, zsh and powershell

edit-prompt-in-editor.ps1

# For windows powershell and pwsh
Set-PSReadLineKeyHandler -Chord 'ctrl+o,ctrl+e' -ScriptBlock {
  $line = $cursor = $proc = $null
  $editorArgs = @()
  # Change this as you prefer
  $editor = if ($env:EDITOR) { $env:EDITOR }
    else { 'vim' }

  try {
    $tmpf = New-TemporaryFile
    $tmp_file = $tmpf.FullName.Replace('.tmp', '.ps1')
    Move-Item $tmpf.FullName $tmp_file
    # Get current content
    [Microsoft.PowerShell.PSConsoleReadLine]::GetBufferState([ref] $line, [ref] $cursor)
    # If (n)vim, start at last line
    if ( $editor -Like '*vim' ) {
      $editorArgs += '+'
    }
    # Add current content of prompt to buffer
    $line = $line.Replace("`r", "").Trim()
    [System.IO.File]::WriteAllLines($tmp_file, $line, [System.Text.UTF8Encoding]($false))

    $editorArgs += $tmp_file
    # Start editor and wait for it to close
    $proc = Start-Process $editor -NoNewWindow -PassThru -ArgumentList $editorArgs
    $proc.WaitForExit()
    $proc = $null
    # Clean prompt
    [Microsoft.PowerShell.PSConsoleReadLine]::RevertLine()
    $content = (Get-Content -Path $tmp_file -Raw -Encoding UTF8).Replace("`r","").Replace("`t", "  ").Trim()
    [Microsoft.PowerShell.PSConsoleReadLine]::Insert($content)
    # Uncomment if you want to auto run on close
    # [Microsoft.PowerShell.PSConsoleReadLine]::AcceptLine()
  } finally {
    # Cleanup
    $proc = $null
    if (Test-Path -Path $tmpf.FullName -PathType Leaf -ErrorAction SilentlyContinue) {
      Remove-Item -Force $tmpf.FullName
    }
    Remove-Item -Force $tmp_file -ErrorAction SilentlyContinue
  }
}

edit-prompt-in-editor.sh

# Bash
# Credits: https://unix.stackexchange.com/a/684760
# Difference with built-in one is that it won't run the
# command when closing the editor. If you want auto run
# behavior, you're already set.
__edit_command_no_execute () {
  local editor="${EDITOR:-vim}"
  local tmpf="$(mktemp)"
  printf '%s\n' "$READLINE_LINE" >| "$tmpf"
  "$editor" "$tmpf"
  READLINE_LINE="$(cat "$tmpf")" # Needed cat for issus on git bash but you can try just `<"$tmpf"`
  READLINE_POINT="${#READLINE_LINE}"
  rm -f "$tmpf" &> /dev/null
}
bind -m emacs       -x '"\C-o\C-e":__edit_command_no_execute'
bind -m vi          -x '"\C-o\C-e":__edit_command_no_execute'
bind -m vi-insert   -x '"\C-o\C-e":__edit_command_no_execute'


# Zsh
# Credits: https://gist.github.com/raven-rock/4fc8152f91eedf663755b65432f48ce5
autoload -U edit-command-line
zle -N edit-command-line
bindkey '^x^e' edit-command-line