1132     }
1133 
1134     /**
1135      * Starts a Process for each ProcessBuilder, creating a pipeline of
1136      * processes linked by their standard output and standard input streams.
1137      * The attributes of each ProcessBuilder are used to start the respective
1138      * process except that as each process is started, its standard output
1139      * is directed to the standard input of the next.  The redirects for standard
1140      * input of the first process and standard output of the last process are
1141      * initialized using the redirect settings of the respective ProcessBuilder.
1142      * All other {@code ProcessBuilder} redirects should be
1143      * {@link Redirect#PIPE Redirect.PIPE}.
1144      * <p>
1145      * All input and output streams between the intermediate processes are
1146      * not accessible.
1147      * The {@link Process#getOutputStream standard input} of all processes
1148      * except the first process are <i>null output streams</i>
1149      * The {@link Process#getInputStream standard output} of all processes
1150      * except the last process are <i>null input streams</i>.
1151      * <p>
1152      * The {@link #redirectErrorStream} of each ProcessBuilder applies to the
1153      * respective process.  If set to {@code true}, the error stream is written
1154      * to the same stream as standard output.
1155      * <p>
1156      * If starting any of the processes throws an Exception, all processes
1157      * are forcibly destroyed.
1158      * <p>
1159      * The {@code startPipeline} method performs the same checks on
1160      * each ProcessBuilder as does the {@link #start} method. The new process
1161      * will invoke the command and arguments given by {@link #command()},
1162      * in a working directory as given by {@link #directory()},
1163      * with a process environment as given by {@link #environment()}.
1164      * <p>
1165      * This method checks that the command is a valid operating
1166      * system command.  Which commands are valid is system-dependent,
1167      * but at the very least the command must be a non-empty list of
1168      * non-null strings.
1169      * <p>
1170      * A minimal set of system dependent environment variables may
1171      * be required to start a process on some operating systems.
1172      * As a result, the subprocess may inherit additional environment variable

1132     }
1133 
1134     /**
1135      * Starts a Process for each ProcessBuilder, creating a pipeline of
1136      * processes linked by their standard output and standard input streams.
1137      * The attributes of each ProcessBuilder are used to start the respective
1138      * process except that as each process is started, its standard output
1139      * is directed to the standard input of the next.  The redirects for standard
1140      * input of the first process and standard output of the last process are
1141      * initialized using the redirect settings of the respective ProcessBuilder.
1142      * All other {@code ProcessBuilder} redirects should be
1143      * {@link Redirect#PIPE Redirect.PIPE}.
1144      * <p>
1145      * All input and output streams between the intermediate processes are
1146      * not accessible.
1147      * The {@link Process#getOutputStream standard input} of all processes
1148      * except the first process are <i>null output streams</i>
1149      * The {@link Process#getInputStream standard output} of all processes
1150      * except the last process are <i>null input streams</i>.
1151      * <p>
1152      * The {@link #redirectErrorStream()} of each ProcessBuilder applies to the
1153      * respective process.  If set to {@code true}, the error stream is written
1154      * to the same stream as standard output.
1155      * <p>
1156      * If starting any of the processes throws an Exception, all processes
1157      * are forcibly destroyed.
1158      * <p>
1159      * The {@code startPipeline} method performs the same checks on
1160      * each ProcessBuilder as does the {@link #start} method. The new process
1161      * will invoke the command and arguments given by {@link #command()},
1162      * in a working directory as given by {@link #directory()},
1163      * with a process environment as given by {@link #environment()}.
1164      * <p>
1165      * This method checks that the command is a valid operating
1166      * system command.  Which commands are valid is system-dependent,
1167      * but at the very least the command must be a non-empty list of
1168      * non-null strings.
1169      * <p>
1170      * A minimal set of system dependent environment variables may
1171      * be required to start a process on some operating systems.
1172      * As a result, the subprocess may inherit additional environment variable