This is the command perl-depends 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
perl-depends - rough indicator of Perl module dependencies
SYNOPSIS
perl-depends [options] FILE [FILE ...]
DESCRIPTION
An utility to show roughly what modules a program uses. Perl evaluates "use" commands at
compile time, storing the information about loaded modules in the %INC variable. Comparing
that list with the standard Perl modules gives an estimate of the external module
dependencies.
The dependency information can be used to determine what external modules have to be
installed before the program can be used.
The target FILE have to be instrumented with the dependency checking code. The resulting
"binary" is then stored in a temporary file which the user runs.
This program does not run the instrumented files because it cannot know what possible
options need to be passed for programs to trigger "no behavior". That is, something that
doesn't actually involve executing the "binary" in real. Such options passed would include
--version, --dry-run, invalid options like --generate-syntax-error-now, or invalid files
etc to make program stop on error. The user can know better the details of running the
intrumented files.
An example of output: the external module depends here is 'Regexp::Common' and the rest of
them can be ignored.
Regexp::Common Regexp/Common.pm
Regexp::Common::CC Regexp/Common/CC.pm
...
OPTIONS
-e, --extension=EXT
Use extension EXT for instrumented files. The default is ".tmp".
-h, --help
Print text help
--help-html
Print help in HTML format.
--help-man
Print help in manual page man(1) format.
-v, --verbose LEVEL
Print informational messages. Increase numeric LEVEL for more verbosity.
-V, --version
Print contact and version information.
EXAMPLES
Instrument a file, run it to see results and delete instrumentation:
perl-depends file.pl
perl file.pl.tmp --version
rm *.tmp
TROUBLESHOOTING
None.
ENVIRONMENT
None.
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