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Top Forums Shell Programming and Scripting Can I do this without eval? (zsh) Post 302990305 by Corona688 on Tuesday 24th of January 2017 12:22:26 PM
Old 01-24-2017
Quote:
Originally Posted by MadeInGermany
Please test with type
Code:
if  [ ! $op $arg ]
then
    do_something
fi

This makes it possible for the user to force the shell to quit with a syntax error. That's something test won't do.
 

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CPANPLUS::Shell::Default(3pm)				 Perl Programmers Reference Guide			     CPANPLUS::Shell::Default(3pm)

NAME
CPANPLUS::Shell::Default - the default CPANPLUS shell SYNOPSIS
### loading the shell: $ cpanp # run 'cpanp' from the command line $ perl -MCPANPLUS -eshell # load the shell from the command line use CPANPLUS::Shell qw[Default]; # load this shell via the API # always done via CPANPLUS::Shell my $ui = CPANPLUS::Shell->new; $ui->shell; # run the shell $ui->dispatch_on_input( input => 'x'); # update the source using the # dispatch method ### when in the shell: ### Note that all commands can also take options. ### Look at their underlying CPANPLUS::Backend methods to see ### what options those are. cpanp> h # show help messages cpanp> ? # show help messages cpanp> m Acme # find acme modules, allows regexes cpanp> a KANE # find modules by kane, allows regexes cpanp> f Acme::Foo # get a list of all releases of Acme::Foo cpanp> i Acme::Foo # install Acme::Foo cpanp> i Acme-Foo-1.3 # install version 1.3 of Acme::Foo cpanp> i <URI> # install from URI, like ftp://foo.com/X.tgz cpanp> i <DIR> # install from an absolute or relative directory cpanp> i 1 3..5 # install search results 1, 3, 4 and 5 cpanp> i * # install all search results cpanp> a KANE; i *; # find modules by kane, install all results cpanp> t Acme::Foo # test Acme::Foo, without installing it cpanp> u Acme::Foo # uninstall Acme::Foo cpanp> d Acme::Foo # download Acme::Foo cpanp> z Acme::Foo # download & extract Acme::Foo, then open a # shell in the extraction directory cpanp> c Acme::Foo # get a list of test results for Acme::Foo cpanp> l Acme::Foo # view details about the Acme::Foo package cpanp> r Acme::Foo # view Acme::Foo's README file cpanp> o # get a list of all installed modules that # are out of date cpanp> o 1..3 # list uptodateness from a previous search cpanp> s conf # show config settings cpanp> s conf md5 1 # enable md5 checks cpanp> s program # show program settings cpanp> s edit # edit config file cpanp> s reconfigure # go through initial configuration again cpanp> s selfupdate # update your CPANPLUS install cpanp> s save # save config to disk cpanp> s mirrors # show currently selected mirrors cpanp> ! [PERL CODE] # execute the following perl code cpanp> b # create an autobundle for this computers # perl installation cpanp> x # reload index files (purges cache) cpanp> x --update_source # reload index files, get fresh source files cpanp> p [FILE] # print error stack (to a file) cpanp> v # show the banner cpanp> w # show last search results again cpanp> q # quit the shell cpanp> e # exit the shell and reload cpanp> /plugins # list available plugins cpanp> /? PLUGIN # list help test of <PLUGIN> ### common options: cpanp> i ... --skiptest # skip tests cpanp> i ... --force # force all operations cpanp> i ... --verbose # run in verbose mode DESCRIPTION
This module provides the default user interface to "CPANPLUS". You can start it via the "cpanp" binary, or as detailed in the SYNOPSIS. BUG REPORTS
Please report bugs or other issues to <bug-cpanplus@rt.cpan.org<gt>. AUTHOR
This module by Jos Boumans <kane@cpan.org>. COPYRIGHT
The CPAN++ interface (of which this module is a part of) is copyright (c) 2001 - 2007, Jos Boumans <kane@cpan.org>. All rights reserved. This library is free software; you may redistribute and/or modify it under the same terms as Perl itself. SEE ALSO
CPANPLUS::Shell::Classic, CPANPLUS::Shell, cpanp perl v5.18.2 2014-01-06 CPANPLUS::Shell::Default(3pm)
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