EVL – ETL Tool


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Table of Contents

Readevd

(since EVL 2.5)

Read EVD file from stdin and output using this evd structure:

parents vector null=""
  string
name string
data_type string
format string null=""
comment string null=""
null vector null=""
  string
separator string null=""
quote struct null=""
  char string(1)
  optional uchar
options vector
  struct
    tag string
    value string null=""
decimal struct null=""
  precision uchar
  scale uchar
  decimal_separator string(1) null=""
  thousands_separator string null=""
string struct null=""
  length ulong null=""
  locale string null=""
  encoding string null=""
  max_bytes ulong null=""
  max_chars ulong null=""
ustring struct null=""
  length ulong null=""
  locale string null=""
  encoding string null=""
  max_bytes ulong null=""
  max_chars ulong null=""
Readevd

is to be used in EVS job structure definition file. <f_out> is either output file or flow name.

evl readevd

is intended for standalone usage, i.e. to be invoked from command line and and write to standard output.

EVD and EVS are EVL definition files, for details see evl-evd(5) and evl-evs(5).

Synopsis

Readevd
  <f_in> <f_out> [-y|--text-output]

evl readevd
  [-y|--text-output] [-v|--verbose]

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

Options

-y, --text-output

write the output as text, not binary

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