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coverp - Online in the Cloud

Run coverp in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command coverp that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


cover - report coverage statistics

VERSION


version 1.21

SYNOPSIS


cover -test

cover -report html_basic

DESCRIPTION


Report coverage statistics in a variety of formats.

The summary option produces a short textual summary. Other reports are available by using
the report option.

The following reports are currently available:

text - detailed textual summary
html - detailed HTML reports
html_basic - detailed HTML reports with syntax highlighting
compilation - output in a format similar to Perl
json - output in a JSON
vim - show coverage information in vim gutter

OPTIONS


The following command line options are supported:

-h -help - show help
-i -info - show documentation
-v -version - show version

-silent - don't print informational messages (default off)
-summary - give summary report (default on)
-report report_format - report format (default html)
-outputdir dir - directory for output (default given db)
-launch - launch report in viewer (if avail) (default off)

-select filename - only report on the file (default all)
-ignore filename - don't report on the file (default none)
-select_re RE - append to REs of files to select (default none)
-ignore_re RE - append to REs of files to ignore (default none)
-write [db] - write the merged database (default off)
-delete - drop database(s) (default off)
-dump_db - dump database(s) (for debugging) (default off)

-coverage criterion - report on criterion (default all available)

-test - drop database(s) and run make test (default off)
-gcov - run gcov to cover XS code (default on if using gcc)
-make make_prog - use the given 'make' program for 'make test'

-add_uncoverable_point string
-delete_uncoverable_point string
-clean_uncoverable_points
-uncoverable_file file

other options specific to the report format

coverage_database [coverage_database ...]

REPORT FORMATS


Tool accepts -report option:

html|html_minimal (default)
HTML reporting. Percentage thresholds are color-coded and configurable via -report_c0
<integer>, -report_c1 <integer> and -report_c2 <integer>.:

0% 75% 90% 100%
| .. | .. | .. |
<c0 <c1 <c2 c3
red yellow orange green

html_basic
HTML reporting with syntax highlighting if PPI::HTML or Perl::Tidy module is detected.
Like html|html_minimal reporting, percentage thresholds are colour-coded and
configurable.

text
Plain text reporting.

compilation
Like text but hacked to give a minimal output in a format similar to that output by
Perl itself so that it's easier to step through the untested locations with Emacs
compilation mode.

DETAILS


Any number of coverage databases may be specified on the command line. These databases
will be merged and the reports will be based on the merged information. If no databases
are specified the default database (cover_db) will be used.

The -write option will write out the merged database. If no name is given for the new
database, the first database read in will be overwritten. When this option is used no
reports are generated by default.

Specify the -select, -select_re, -ignore, and -ignore_re options to report on specific
files. -select and -ignore are interpreted as shell globs; -select_re and -ignore_re are
interpreted as regular expressions.

Specify -coverage options to report on specific criteria. By default all available
information on all criteria in all files will be reported. Available coverage options are
statement, branch, condition, subroutine, pod, and default (which equates to all available
options). However, if you know you only want coverage information for certain criteria it
is better to only collect data for those criteria in the first place by specifying them at
that point. This will make the data collection and reporting processes faster and less
memory intensive. See the documentation for Devel::Cover for more information.

If you want all *except* some criteria, then you can say something like '-coverage
default,-pod'.

The -test option will delete the databases and run your tests to generate new coverage
data before reporting on it. Devel::Cover knows how to work with standard Perl Makefiles
as well as Module::Build based distributions. For detailed instructions see the
documentation for ExtUtils::MakeMaker at <https://metacpan.org/module/ExtUtils::MakeMaker>
or for Module::Build at <https://metacpan.org/module/Module::Build> both of which come as
standard in recent Perl distributions.

The -gcov option will try to run gcov on any XS code. This requires that you are using
gcc of course. If you are using the -test option will be turned on by default.

EXIT STATUS


The following exit values are returned:

0 All operations were completed successfully.

>0 An error occurred.

With the -test option the exit status of the underlying test run is returned.

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