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<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">On Linux Mint 18.2 + Erlang/OTP 20.0, there are two escript scripts: a and b.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">a<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">#!/usr/bin/env escript<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">main(_) -><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> L = lists:map(fun(N) -> 2*N end, lists:seq(1,10)),<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> io:format("~p~n", [L]).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo1">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">b<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">#!/usr/bin/env escript<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">main(_) -><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> L = lists:map(fun f2/1, lists:seq(1,10)),<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> io:format("~p~n", [L]).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">f2(N) -> 2 * N.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">$ chmod u+x a<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">$ ./a<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">[2,4,6,8,10,12,14,16,18,20]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">$ chmod u+x b<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">$ ./b<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">escript: exception error: undefined function erl_eval:f2/1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So why can</span>’<span lang="EN-US">t use fun in escript script? Is this a limitation or known issue? Are there any references that can give more info regarding this behavior? Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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