Function isFileDescriptor

src/utils/bash/commands.ts:869–870

(p: ParseEntry | undefined)

  kept: ParseEntry[],
): { skip: number; dangerous: boolean } {
  const isFileDescriptor = (p: ParseEntry | undefined): p is string =>
    typeof p === 'string' && /^\d+$/.test(p.trim())

  // Handle > and >> operators
  if (isOperator(part, '>') || isOperator(part, '>>')) {