Dbrowenumerate (1) Linux Manual Page

dbrowenumerate – enumerate rows, starting from zero

Synopsis

dbrowenumerate

Description

Add a new column “count”, incremented for each row of data, starting with zero. Use dbrowaccumulate for control over initial value or increment; this module is just a wrapper around that.

Options

-N or –new-name N: Name the new column N. Defaults to "count".

This module also supports the standard jdb options:

-d: Enable debugging output.
-i or –input InputSource: Read from InputSource, typically a file name, or "-" for standard input, or (if in Perl) a IO::Handle, Fsdb::IO or Fsdb::BoundedQueue objects.
-o or –output OutputDestination: Write to OutputDestination, typically a file name, or "-" for standard output, or (if in Perl) a IO::Handle, Fsdb::IO or Fsdb::BoundedQueue objects.
–autorun or –noautorun: By default, programs process automatically, but Fsdb::Filter objects in Perl do not run until you invoke the run() method. The "–(no)autorun" option controls that behavior within Perl.
–help: Show help.
–man: Show full manual.

Sample Usage

Input:

 #h account passwd uid gid fullname homedir shell

 johnh * 2274 134 John_Heidemann /home/johnh /bin/bash

 greg * 2275 134 Greg_Johnson /home/greg /bin/bash

 root * 0 0 Root /root /bin/bash

 # this is a simple database

Command:

 cat DATA/passwd.jdb | dbrowenumerate

Output:

 #h account passwd uid gid fullname homedir shell count

 johnh * 2274 134 John_Heidemann /home/johnh /bin/bash 0

 greg * 2275 134 Greg_Johnson /home/greg /bin/bash 1

 root * 0 0 Root /root /bin/bash 2

 # this is a simple database

 # | /home/johnh/BIN/DB/dbrowenumerate

dbrowenumerate (1) Linux Manual Page