EVL – ETL Tool


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Table of Contents

Component

(since EVL 1.0)

Run <component> from the project’s evc directory with arguments <comp_dir>. In the <component> these arguments are available as the array ‘COMP_ARG[1]’, ‘COMP_ARG[2]’, ... ‘COMP_ARG[0]’ is the component’s name.

Comp

is to be used in EVS job structure definition file.

evl comp

is intended for standalone usage, i.e. to be invoked from command line and reading records from standard input and writing to standard output.

EVS is EVL job structure definition file, for details see evl-evs(5).

Synopsis

Comp
  <component> [<comp_arg>...]

evl comp
  <component> [<comp_arg>...] [<option>]
  [-v|--verbose]

evl comp
  ( --help | --usage | --version )

Options

Standard options:

--help

print this help and exit

--usage

print short usage information and exit

-v, --verbose

print to stderr info/debug messages of the component

--version

print version and exit

Examples

Run custom component ‘evc/prepare_lkp.evc’:

Comp prepare_lkp