EVL

Table of Contents


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Cat

(since EVL 1.0)

Concatenate flows or files.

Cat

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

evl cat

is intended for standalone usage, i.e. to be invoked from command line.

EVD is EVL data definition file, for details see evl-evd(5).

Synopsis

syntax/Cat
Cat
  <f_in>... <f_out> (<evd>|-d <inline_evd>)
  [ --validate ]
  [ -x|--text-input | --text-input-dos-eol | --text-input-mac-eol ]
  [ -y|--text-output | --text-output-dos-eol | --text-output-mac-eol ]

evl cat
  [<file>...]  (<evd>|-d <inline_evd>)
  [ --validate ]
  [ -x|--text-input | --text-input-dos-eol | --text-input-mac-eol ]
  [ -y|--text-output | --text-output-dos-eol | --text-output-mac-eol ]
  [ -v|--verbose ]

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

Options

-d, --data-definition=<inline_evd>

either this option or the file <evd> must be presented. Example: -d ’id int, user_id string(6) enc=iso-8859-1’

--validate

without this option, no fields are checked against data types. With this option, all output fields are checked

-x, --text-input

suppose the input as text, not binary

--text-input-dos-eol

suppose the input as text with CRLF as end of line

--text-input-mac-eol

suppose the input as text with CR as end of line

-y, --text-output

write the output as text, not binary

--text-output-dos-eol

produce the output as text with CRLF as end of line

--text-output-mac-eol

produce the output as text with CR as end of line

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

Print to stdout binary input in text format:

evl cat example.evd -y <input.bin