How to group lines into batches Post: 302154390

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Top Forums UNIX for Dummies Questions & Answers How to group lines into batches Post 302154390 by ashikin_8119 on Sunday 30th of December 2007 03:02:57 AM

12-30-2007

Registered User

How to group lines into batches

Hi all

I need to group all the lines that start with 2. For every 3 lines (that start with 2) i need to group them in one group and add 1 for each group.

I need your help to batch the files content.The file look like this:

040171011140820070000000009650244002933170003000000075272
2H912279980109 01082007000688djjdfieuireurireiro
2H912279980109 01082007000688djjdfieuireurireiko
2F921338300506 01082007000688jkjddiwe02499834fg
2F921338300506 01082007000688
2H912279980109 0108200700019965787889890090uyk
2F921338300506 010820070000198676767675645shdjd
2F921338300506 010820070000178676767675645shdje

The output should look like this:
040171011140820070000000009650244002933170003000000075272
1
2H912279980109 01082007000688djjdfieuireurireiro
2H912279980109 01082007000688djjdfieuireurireiko
2F921338300506 01082007000688jkjddiwe02499834fg
1
2F921338300506 01082007000688
2H912279980109 0108200700019965787889890090uyk
2F921338300506 010820070000198676767675645shdjd
1
2F921338300506 010820070000178676767675645shdje

Pls help....tq in advance

ashikin_8119

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LEARN ABOUT REDHAT

pvm_joingroup

JOINGROUP(3PVM) 						  PVM Version 3.4						   JOINGROUP(3PVM)

NAME

       pvm_joingroup - Enrolls the calling process in a named group.

SYNOPSIS

       C    int inum = pvm_joingroup( char *group )

       Fortran	 call pvmfjoingroup( group, inum )

PARAMETERS

       group   Character string group name of an existing group.

       inum    Integer	instance  number  returned  by	the routine.  Instance numbers start at 0 and count up.  Values less than zero indicate an
	       error.

DESCRIPTION

       The routine pvm_joingroup enrolls the calling task in the group named group and returns the instance number  inum  of  this  task  in  this
       group.  If there is an error inum will be negative.

       Instance  numbers  start  at 0 and count up.  When using groups a (group, inum) pair uniquely identifies a PVM process.	This is consistent
       with the PVM 2.4 naming schemes.  If a task leaves a group by calling pvm_lvgroup and later rejoins the same group, the task is not guaran-
       teed  to  get  the  same  instance number.  PVM attempts to reuse old instance numbers, so when a task joins a group it will get the lowest
       available instance number.  A task can be a member of multiple groups simultaneously.

EXAMPLES

       C:
	    inum = pvm_joingroup( "worker" );

       Fortran:
	    CALL PVMFJOINGROUP( 'group2', INUM )

ERRORS

       These error conditions can be returned by pvm_joingroup

       PvmSysErr
	      pvmd was not started or has crashed.

       PvmBadParam
	      giving a NULL group name.

       PvmDupGroup
	      trying to join a group you are already in.

SEE ALSO

       pvm_lvgroup(3PVM)

								  30 August, 1993						   JOINGROUP(3PVM)