(CommandList
  children: [
    (SimpleCommand
      words: [
        {(xargs)}
        {(perl)}
        {(-n)}
        {(-i)}
        {(-e)}
        {(SQ <'\n'> <'\tprint;\n'> <'\ts/\\$(Id|OpenBSD): [^\\$]*/\\$FreeBSD/ && print;\n'>)}
      ]
      redirects: [(Redir op_id:Redir_Less fd:-1 arg_word:{(keywords)} spids:[29])]
    )
    (SimpleCommand
      words: [
        {(xargs)}
        {(perl)}
        {(-n)}
        {(-i)}
        {(-e)}
        {
          (SQ <'\n'> <'\tprint;\n'> 
            <'\tm/^\\#include "includes.h"/ && print "__RCSID(\\"\\$FreeBSD\\$\\");\\n";\n'>
          )
        }
      ]
      redirects: [(Redir op_id:Redir_Less fd:-1 arg_word:{(rcsid)} spids:[49])]
    )
  ]
)