Readqvd
(since EVL 2.3)
Write to standard output or <f_out>
the content of the <file.qvd>
. It parses fields
as they are specified in EVD file, unless ‘--match-fields’ is specified.
- Premium and Enterprise Edition
-
If there are less fields in the EVD file than in QVD, only such fields are returned. This functinality is not available for Trial and Standard Edition.
- Readqvd
-
is to be used in EVS job structure definition file.
<f_out>
is either output file or flow name. - evl readqvd
-
is intended for standalone usage, i.e. to be invoked from command line and reading records from standard input.
EVD and EVS are EVL definition files, for details see evl-evd(5) and evl-evs(5).
Synopsis
Readqvd <file.qvd> <f_out> (<evd>|-d <inline_evd>) [-y|--text-output | -a|--text-output-dos-eol | -b|--text-output-mac-eol] [-m|--match-fields] [-n|--null-as-string[=<string>]] evl readqvd <file.qvd> (<evd>|-d <inline_evd>) [-y|--text-output | -a|--text-output-dos-eol | -b|--text-output-mac-eol] [-m|--match-fields] [-n|--null-as-string[=<string>]] [-v|--verbose] evl readqvd ( --help | --usage | --version )
Options
- -d, --data-definition=<inline_evd>
-
either this option or the file
<evd>
must be presented. Example: ‘-d 'id int, name string, started timestamp'’ - -m, --match-fields
-
match fields between EVD and QVD, otherwise they are taken one by one from input QVD file. If there are less fields in the EVD file than in QVD, only such fields are returned. This functinality is not available for Trial and Standard Edition.
- -n, --null-as-string[=<string>]
-
read
<string>
as a NULL value, without<string>
specified it reads an empty string as NULL - -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