(command.CommandList
  children: [
    (command.AndOr
      ops: [Id.Op_DAmp Id.Op_DPipe]
      children: [
        (C {<Id.Lit_LBracket '['>} {<Id.KW_Bang '!'>} {<-z>} {(DQ ($ Id.VSub_Number '$1'))} 
          {<Id.Lit_RBracket ']'>}
        )
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:mag)
              op: assign_op.Equal
              rhs: {($ Id.VSub_Number '$1')}
              spids: [38]
            )
          ]
        )
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:mag)
              op: assign_op.Equal
              rhs: {<2>}
              spids: [43]
            )
          ]
        )
      ]
    )
    (command.ShFunction
      name: fullscreen_xmag_source
      body: 
        (BraceGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:geometry)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_Backtick '`'>
                        child: 
                          (command.Pipeline
                            children: [
                              (C {<xwininfo>} {<-root>})
                              (C {<grep>} {<-E>} {(DQ <geometry>)})
                              (C {<sed>} {(SQ <'s/.* \\([0-9]*x[0-9]*\\).*/\\1/'>)})
                            ]
                            negated: F
                          )
                      )
                    }
                  spids: [58]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:width)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_Backtick '`'>
                        child: 
                          (command.Pipeline
                            children: [
                              (C {<echo>} {($ Id.VSub_DollarName '$geometry')})
                              (C {<cut>} {<-dx>} {<-f1>})
                            ]
                            negated: F
                          )
                      )
                    }
                  spids: [92]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:height)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: <Id.Left_Backtick '`'>
                        child: 
                          (command.Pipeline
                            children: [
                              (C {<echo>} {($ Id.VSub_DollarName '$geometry')})
                              (C {<cut>} {<-dx>} {<-f2>})
                            ]
                            negated: F
                          )
                      )
                    }
                  spids: [110]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:xmag_menu)
                  op: assign_op.Equal
                  rhs: {<20>}
                  spids: [128]
                )
              ]
            )
            (C {<echo>} 
              {
                (command_sub
                  left_token: <Id.Left_Backtick '`'>
                  child: 
                    (C {<expr>} {($ Id.VSub_DollarName '$width')} {<'/'>} {($ Id.VSub_DollarName '$mag')})
                ) <x> 
                (command_sub
                  left_token: <Id.Left_Backtick '`'>
                  child: 
                    (C {<expr>} {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\('>)} 
                      {($ Id.VSub_DollarName '$height')} {<->} {($ Id.VSub_DollarName '$xmag_menu')} {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\)'>)} 
                      {<'/'>} {($ Id.VSub_DollarName '$mag')}
                    )
                )
              }
            )
          ]
        )
    )
    (C {<xmag>} {<-source>} 
      {(command_sub left_token:<Id.Left_Backtick '`'> child:(C {<fullscreen_xmag_source>}))} {<-mag>} {($ Id.VSub_DollarName '$mag')}
    )
  ]
)