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<p class="MsoPlainText" style="margin-left:.5in">> - tracef doesn't have a format option for Booleans, forcing<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">> me to convert them to strings. Running @toInt on a Boolean produces:<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">> "java.lang.NumberFormatException: For input string: "false"".<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"><o:p> </o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">I think the documentation is lying (by omission) about that. Try "%b".<o:p></o:p></p>
<p class="MsoPlainText">Thanks!<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">All of "True" and "true" and "TRUE" and "tRuE" (and all other case<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in">combinations) should work. The implementation uses Java's Boolean.valueOf(String), which calls this:<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> private static boolean toBoolean(String name) {<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> return ((name != null) && name.equalsIgnoreCase("true"));<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:.5in"> }<o:p></o:p></p>
<p class="MsoPlainText">Great! I must have had another bug that I thought was caused by mis-parsing of file contents.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Greg Bronevetsky<o:p></o:p></p>
<p class="MsoPlainText">Lawrence Livermore National Lab<o:p></o:p></p>
<p class="MsoPlainText">(925) 424-5756<o:p></o:p></p>
<p class="MsoPlainText">bronevetsky@llnl.gov<o:p></o:p></p>
<p class="MsoPlainText">http://greg.bronevetsky.com<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: Mihael Hategan [mailto:hategan@mcs.anl.gov] <br>
Sent: Monday, May 19, 2014 4:29 PM<br>
To: Bronevetsky, Greg<br>
Cc: swift-user@ci.uchicago.edu<br>
Subject: Re: [Swift-user] Treatment of booleans in Swift</p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">On Mon, 2014-05-19 at 23:22 +0000, Bronevetsky, Greg wrote:<o:p></o:p></p>
<p class="MsoPlainText">> I've been working with Booleans recently and I've run into a couple of issues with them that might be a problem for others:<o:p></o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> - tracef doesn't have a format option for Booleans, forcing<o:p></o:p></p>
<p class="MsoPlainText">> me to convert them to strings. Running @toInt on a Boolean produces:<o:p></o:p></p>
<p class="MsoPlainText">> "java.lang.NumberFormatException: For input string: "false"".<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I think the documentation is lying (by omission) about that. Try "%b".<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">> <o:p></o:p></p>
<p class="MsoPlainText">> - It is not clear how to format files to be read by<o:p></o:p></p>
<p class="MsoPlainText">> readData() if the data in question is a Boolean. Based on
<o:p></o:p></p>
<p class="MsoPlainText">> experimentation I discovered that the correct strings are
<o:p></o:p></p>
<p class="MsoPlainText">> "True"/"False" rather than "true"/"false" or "0"/"1". It would be
<o:p></o:p></p>
<p class="MsoPlainText">> useful to document this in the description of readData().<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">All of "True" and "true" and "TRUE" and "tRuE" (and all other case<o:p></o:p></p>
<p class="MsoPlainText">combinations) should work. The implementation uses Java's Boolean.valueOf(String), which calls this:<o:p></o:p></p>
<p class="MsoPlainText"> private static boolean toBoolean(String name) {<o:p></o:p></p>
<p class="MsoPlainText"> return ((name != null) && name.equalsIgnoreCase("true"));<o:p></o:p></p>
<p class="MsoPlainText"> }<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Mihael<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
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