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<title>get_options (Dumper)</title>
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<pre><span class="ruby-comment cmt"># File dbdump.rb, line 59</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_options</span>
<span class="ruby-comment cmt"># The myopts specified on the command line will be collected in *myopts*.
</span>
<span class="ruby-comment cmt"># We set default values here.
</span>
<span class="ruby-identifier">myopts</span> = <span class="ruby-constant">OpenStruct</span>.<span class="ruby-identifier">new</span>
<span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ifile</span> = <span class="ruby-keyword kw">nil</span>
<span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ofile</span> = <span class="ruby-keyword kw">nil</span>
<span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">dbtype</span> = <span class="ruby-keyword kw">nil</span>
<span class="ruby-identifier">opts</span> = <span class="ruby-constant">OptionParser</span>.<span class="ruby-identifier">new</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">opts</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">banner</span> = <span class="ruby-node">"Database Dumper #{VERSION}"</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-value str">""</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-node">"Usage: ruby #{$0} [options]"</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-value str">""</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-value str">"Options:"</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-value str">"-i"</span>, <span class="ruby-value str">"--ifile FILE"</span>, <span class="ruby-constant">String</span>,
<span class="ruby-value str">"Select the database file to read"</span>,
<span class="ruby-value str">" extension determined automatically"</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ifile</span><span class="ruby-operator">|</span>}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-value str">"-o"</span>, <span class="ruby-value str">"--ofile FILE"</span>, <span class="ruby-constant">String</span>,
<span class="ruby-value str">"Select the yaml file to write"</span>,
<span class="ruby-value str">" defaults to same as database"</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ofile</span><span class="ruby-operator">|</span>}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-value str">"-t"</span>, <span class="ruby-value str">"--type DBTYPE"</span>, <span class="ruby-constant">DATABASES</span>,
<span class="ruby-value str">"Select the database type - required (no default)"</span>,
<span class="ruby-node">" One of: #{DATABASES.join(", ")}"</span>,
<span class="ruby-value str">" Example: -t gdbm"</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">dbtype</span><span class="ruby-operator">|</span>}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on_tail</span>(<span class="ruby-value str">"-h"</span>, <span class="ruby-value str">"--help"</span>, <span class="ruby-value str">"Show this message"</span>) <span class="ruby-keyword kw">do</span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">opts</span>.<span class="ruby-identifier">help</span>
<span class="ruby-identifier">exit</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on_tail</span>(<span class="ruby-value str">"-v"</span>, <span class="ruby-value str">"--version"</span>, <span class="ruby-value str">"Show version"</span>) <span class="ruby-keyword kw">do</span>
<span class="ruby-identifier">puts</span> <span class="ruby-node">"Database Dumper #{VERSION}"</span>
<span class="ruby-identifier">exit</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">parse!</span>(<span class="ruby-constant">ARGV</span>)
<span class="ruby-identifier">raise</span>(<span class="ruby-constant">OptionParser</span><span class="ruby-operator">::</span><span class="ruby-constant">MissingArgument</span>.<span class="ruby-identifier">new</span>(<span class="ruby-value str">"-t"</span>)) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">dbtype</span> <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span>
<span class="ruby-identifier">raise</span>(<span class="ruby-constant">OptionParser</span><span class="ruby-operator">::</span><span class="ruby-constant">ParseError</span>, <span class="ruby-value str">"Must specify input file!"</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ifile</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ofile</span> = <span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ifile</span>.<span class="ruby-identifier">dup</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ofile</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ifile</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">".gdbm"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">dbtype</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:gdbm</span>
<span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ifile</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">".sqlite"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">dbtype</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:sqlite</span>
<span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ifile</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">".sqlite3"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">dbtype</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">:sqlite3</span>
<span class="ruby-identifier">myopts</span>.<span class="ruby-identifier">ofile</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">".yaml"</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">myopts</span>
<span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">OptionParser</span><span class="ruby-operator">::</span><span class="ruby-constant">ParseError</span>
<span class="ruby-identifier">puts</span> <span class="ruby-node">"ERROR - #{$!}"</span>
<span class="ruby-identifier">puts</span> <span class="ruby-value str">"For help..."</span>
<span class="ruby-identifier">puts</span> <span class="ruby-node">" ruby #{$0} --help"</span>
<span class="ruby-identifier">exit</span>
<span class="ruby-keyword kw">end</span></pre>
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