(command.CommandList children: [ (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:cmd) op: assign_op.Equal rhs: {(DQ <'qemu-system-x86_64 -m 128M -cdrom minimal_linux_live.iso -boot d -vga std'>)} spids: [32] ) ] ) (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_Number '$1'))} {<Id.Lit_Equals '='>} {(DQ <-hdd>)} {<-o>} {(DQ ($ Id.VSub_Number '$1'))} {<Id.Lit_Equals '='>} {(DQ <-h>)} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] ) action: [ (C {<echo>} {(DQ <'Starting QEMU with attached ISO image and hard disk.'>)}) (C {($ Id.VSub_DollarName '$cmd')} {<-hda>} {<hdd.img>}) ] spids: [38 68] ) ] else_action: [ (C {<echo>} {(DQ <'Starting QEMU with attached ISO image.'>)}) (C {($ Id.VSub_DollarName '$cmd')}) ] ) ] )