(command.CommandList children: [ (C {<set>} {<-e>}) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:TMP) op: assign_op.Equal rhs: {<'/tmp/mtree.'> ($ Id.VSub_Dollar '$$')} spids: [33] ) ] ) (C {<rm>} {<-rf>} {(${ Id.VSub_Name TMP)}) (C {<mkdir>} {<-p>} {(${ Id.VSub_Name TMP)} {(${ Id.VSub_Name TMP) <'/mr'>} {(${ Id.VSub_Name TMP) <'/mt'>} ) (C {<touch>} {<-t>} {<199901020304>} {(${ Id.VSub_Name TMP) <'/mr/oldfile'>}) (C {<touch>} {(${ Id.VSub_Name TMP) <'/mt/oldfile'>}) (command.Simple words: [{<mtree>} {<-c>} {<-p>} {(${ Id.VSub_Name TMP) <'/mr'>}] redirects: [ (redir op: <Id.Redir_Great '>'> loc: (redir_loc.Fd fd:1) arg: {(${ Id.VSub_Name TMP) <'/_'>} ) ] do_fork: T ) (command.Simple words: [{<mtree>} {<-U>} {<-r>} {<-p>} {(${ Id.VSub_Name TMP) <'/mt'>}] redirects: [ (redir op: <Id.Redir_Less '<'> loc: (redir_loc.Fd fd:0) arg: {(${ Id.VSub_Name TMP) <'/_'>} ) (redir op:<Id.Redir_Great '>'> loc:(redir_loc.Fd fd:1) arg:{<'/dev/null'>}) ] do_fork: T ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:x) op: assign_op.Equal rhs: {<x> (command_sub left_token: <Id.Left_Backtick '`'> child: (command.AndOr ops: [Id.Op_DPipe] children: [ (command.Subshell child: (command.CommandList children: [ (command.Sentence child: (C {<cd>} {(${ Id.VSub_Name TMP) <'/mr'>}) terminator: <Id.Op_Semi _> ) (command.Simple words: [{<ls>} {<-l>}] redirects: [ (redir op: <Id.Redir_GreatAnd '2>&'> loc: (redir_loc.Fd fd:2) arg: {<1>} ) ] do_fork: T ) ] ) ) (C {<true>}) ] ) ) } spids: [129] ) ] ) (command.ShAssignment pairs: [ (assign_pair lhs: (sh_lhs_expr.Name name:y) op: assign_op.Equal rhs: {<x> (command_sub left_token: <Id.Left_Backtick '`'> child: (command.AndOr ops: [Id.Op_DPipe] children: [ (command.Subshell child: (command.CommandList children: [ (command.Sentence child: (C {<cd>} {(${ Id.VSub_Name TMP) <'/mt'>}) terminator: <Id.Op_Semi _> ) (command.Simple words: [{<ls>} {<-l>}] redirects: [ (redir op: <Id.Redir_GreatAnd '2>&'> loc: (redir_loc.Fd fd:2) arg: {<1>} ) ] do_fork: T ) ] ) ) (C {<true>}) ] ) ) } spids: [157] ) ] ) (command.If arms: [ (if_arm cond: (condition.Shell commands: [ (command.Sentence child: (C {<Id.Lit_LBracket '['>} {(DQ ($ Id.VSub_DollarName '$x'))} {<Id.KW_Bang '!'> <Id.Lit_Equals '='>} {(DQ ($ Id.VSub_DollarName '$y'))} {<Id.Lit_RBracket ']'>} ) terminator: <Id.Op_Semi _> ) ] ) action: [ (command.Simple words: [{<echo>} {(DQ <'ERROR Update of mtime failed'>)}] redirects: [(redir op:<Id.Redir_GreatAnd '1>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})] do_fork: T ) (C {<rm>} {<-rf>} {(${ Id.VSub_Name TMP)}) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>}) ] spids: [186 205] ) ] ) (C {<rm>} {<-rf>} {(${ Id.VSub_Name TMP)}) (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<0>}) ] )