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module tmp {
  # Create a temporary directory and cd in to it
  export def --env main [
    --description(-d): string # Optional filename description for identifying
  ]: nothing -> nothing {
    mut name = "tmp"
    if $description != null {
      $name = $description
    }
    let t = mktemp --directory $"($name).XXX"
    cd $t
  }
}
use tmp *