usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Modules and files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Standard Proper�es . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 28.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 28.5 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 883 75 Delimited Files 885 76 Distributed Compu�ng 891 76.1 Cluster Manager Interface . . . . . . . . . . . . . . . .

usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 Modules and files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198 Standard Proper�es . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 29.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 29.5 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 885 76 Delimited Files 887 77 Distributed Compu�ng 893 77.1 Cluster Manager Interface . . . . . . . . . . . . . . . .

usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Modules and files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Standard Proper�es . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 28.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 28.5 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 855 73 Delimited Files 857 xiv CONTENTS 74 Distributed Compu�ng 863 74.1 Cluster Manager Interface . . . . . . . . .

usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Modules and files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Standard Proper�es . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 28.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 28.5 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 853 73 Delimited Files 855 74 Distributed Compu�ng 861 74.1 Cluster Manager Interface . . . . . . . . . . . . . . . .

Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.5 A simple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 888 66 Delimited Files 908 67 Distributed Computing 913 67.1 Cluster Manager Interface . . . . . . . . . . . . . . . . Clauses In code that performs state changes or uses resources like files, there is typically clean-up work (such as closing files) that needs to be done when the code is finished. Exceptions potentially

Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.5 A simple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 889 66 Delimited Files 909 67 Distributed Computing 914 67.1 Cluster Manager Interface . . . . . . . . . . . . . . . . Clauses In code that performs state changes or uses resources like files, there is typically clean-up work (such as closing files) that needs to be done when the code is finished. Exceptions potentially

Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.5 A simple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 888 65 Delimited Files 908 66 Distributed Computing 913 66.1 Cluster Manager Interface . . . . . . . . . . . . . . . . Clauses In code that performs state changes or uses resources like files, there is typically clean-up work (such as closing files) that needs to be done when the code is finished. Exceptions potentially

Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.5 A simple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 888 66 Delimited Files 908 67 Distributed Computing 913 67.1 Cluster Manager Interface . . . . . . . . . . . . . . . . Clauses In code that performs state changes or uses resources like files, there is typically clean-up work (such as closing files) that needs to be done when the code is finished. Exceptions potentially

Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.5 A simple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 888 66 Delimited Files 908 67 Distributed Computing 913 67.1 Cluster Manager Interface . . . . . . . . . . . . . . . . Clauses In code that performs state changes or uses resources like files, there is typically clean-up work (such as closing files) that needs to be done when the code is finished. Exceptions potentially

Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.4 Working with Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 21.5 A simple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 889 66 Delimited Files 909 67 Distributed Computing 914 67.1 Cluster Manager Interface . . . . . . . . . . . . . . . . Clauses In code that performs state changes or uses resources like files, there is typically clean-up work (such as closing files) that needs to be done when the code is finished. Exceptions potentially