(CommandList children: [ (Sentence child: (C {(.)} { (DQ (BracedVarSub token: <VSub_Name srcdir> suffix_op: (StringUnary op_id:VTest_Equals arg_word:{(.)}) spids: [50 54] ) (/tests/init.sh) ) } ) terminator: <Op_Semi ';'> ) (C {(path_prepend_)} {(./src)}) (C {(print_ver_)} {(sort)}) (C {(very_expensive_)}) (AndOr ops: [Op_DPipe] children: [ (SimpleCommand words: [{(grep)} {(SQ <'^#define HAVE_PTHREAD_T 1'>)} {(DQ ($ VSub_Name '$CONFIG_HEADER'))}] redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(/dev/null)} spids:[93])] ) (C {(skip_)} {(SQ <'requires pthreads'>)}) ] ) (AndOr ops: [Op_DPipe] children: [ (SimpleCommand words: [{(seq)} {(100000)}] redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(KW_In in)} spids:[111])] ) (C {(framework_failure_)}) ] ) (C {(mkfifo_or_skip_)} {(fifo)}) (Sentence child: (Subshell child: (CommandList children: [ (ForEach iter_name: i iter_words: [ { (CommandSubPart command_list: (CommandList children:[(C {(seq)} {(80)})]) left_token: <Left_CommandSub '$('> spids: [137 141] ) } ] do_arg_iter: F body: (DoGroup children: [ (Sentence child: (C {(read)} {(line)}) terminator: <Op_Semi ';'> ) (Sentence child: (C {(echo)} {($ VSub_Name '$i')}) terminator: <Op_Semi ';'> ) (Sentence child: (C {(sleep)} {(.1)}) terminator: <Op_Semi ';'> ) ] spids: [144 161] ) spids: [136 142] ) (SimpleCommand words: [{(cat)}] redirects: [ (Redir op_id: Redir_Great fd: 16777215 arg_word: {(/dev/null)} spids: [166] ) ] ) ] ) redirects: [(Redir op_id:Redir_Less fd:16777215 arg_word:{(fifo)} spids:[171])] spids: [130 169] ) terminator: <Op_Amp '&'> ) (C {(ulimit)} {(-t)} {(7)}) (AndOr ops: [Op_DPipe] children: [ (SimpleCommand words: [{(sort)} {(--parallel) (Lit_Other '=') (2)} {(KW_In in)}] redirects: [(Redir op_id:Redir_Great fd:16777215 arg_word:{(fifo)} spids:[198])] ) (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:fail) op:Equal rhs:{(1)} spids:[204])] spids: [204] ) ] ) (C {(Exit)} {($ VSub_Name '$fail')}) ] )