def uniq(data)
  last=nil
  data.delete_if do |name|
    if last == name
      TRUE
    else
      last = name
      FALSE
    end
  end
end

def extract(nm, out)
  data = nm.readlines.collect{|line|
    line = line.split
    case line[1]
    when "B", "D"
      line[0]
    else
      next
    end
  }.compact!.sort!
  uniq(data)
  exp = open(out, "w")
  exp.printf "#!\n"
  for line in data
    exp.printf "%s\n", line
  end
  exp.close
  nm.close
end
extract(open("|/usr/ccs/bin/nm -p ../libruby.a"), "../ruby.imp")
od='get'>
<input type='hidden' name='id' value='2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'/><select name='h' onchange='this.form.submit();'>
<option value='master'>master</option>
<option value='ruby_1_3'>ruby_1_3</option>
<option value='ruby_1_4'>ruby_1_4</option>
<option value='ruby_1_6'>ruby_1_6</option>
<option value='ruby_1_8'>ruby_1_8</option>
<option value='ruby_1_8_5'>ruby_1_8_5</option>
<option value='ruby_1_8_6'>ruby_1_8_6</option>
<option value='ruby_1_8_7'>ruby_1_8_7</option>
<option value='ruby_1_9_1'>ruby_1_9_1</option>
<option value='ruby_1_9_2'>ruby_1_9_2</option>
<option value='ruby_1_9_3'>ruby_1_9_3</option>
<option value='ruby_2_0_0'>ruby_2_0_0</option>
<option value='ruby_2_1'>ruby_2_1</option>
<option value='ruby_2_2'>ruby_2_2</option>
<option value='ruby_2_3'>ruby_2_3</option>
<option value='ruby_2_4'>ruby_2_4</option>
<option value='ruby_2_5'>ruby_2_5</option>
<option value='ruby_2_6'>ruby_2_6</option>
<option value='ruby_2_7'>ruby_2_7</option>
<option value='ruby_3_0'>ruby_3_0</option>
<option value='ruby_3_1'>ruby_3_1</option>
<option value='ruby_3_2'>ruby_3_2</option>
<option value='ruby_3_3'>ruby_3_3</option>
<option value='v1_0r'>v1_0r</option>
<option value='v1_1dev'>v1_1dev</option>
<option value='v1_1r'>v1_1r</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>The Ruby Programming Language</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/ruby.git/?h=v3_2_3'>summary</a><a href='/ruby.git/refs/?h=v3_2_3&amp;id=2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'>refs</a><a class='active' href='/ruby.git/log/enc/iso_8859_1.c?h=v3_2_3'>log</a><a href='/ruby.git/tree/enc/iso_8859_1.c?h=v3_2_3&amp;id=2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'>tree</a><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'>commit</a><a href='/ruby.git/diff/enc/iso_8859_1.c?h=v3_2_3&amp;id=2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'>diff</a></td><td class='form'><form class='right' method='get' action='/ruby.git/log/enc/iso_8859_1.c'>
<input type='hidden' name='h' value='v3_2_3'/><input type='hidden' name='id' value='2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/ruby.git/log/?h=v3_2_3&amp;id=2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'>root</a>/<a href='/ruby.git/log/enc?h=v3_2_3&amp;id=2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'>enc</a>/<a href='/ruby.git/log/enc/iso_8859_1.c?h=v3_2_3&amp;id=2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5'>iso_8859_1.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/ruby.git/log/enc/iso_8859_1.c?h=v3_2_3&amp;id=2c1b1eae7c984c9ff4788d382bc2edcd4ed91ef5&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2016-12-10 17:47:04 +0000'>2016-12-10</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=2873edeafb6f6df1fc99bb9b1167591b99dd378c'>Merge Onigmo 6.0.0</a></td><td>naruse</td></tr>
<tr><td><span title='2016-07-24 07:33:15 +0000'>2016-07-24</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=6ed393ad89eb821d838d70cf13040d3f39237554'>* regenc.h/c, include/ruby/oniguruma.h, enc/ascii.c, big5.c, cp949.c,</a></td><td>duerst</td></tr>
<tr><td><span title='2016-07-13 06:19:07 +0000'>2016-07-13</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=b9cd6920d21acc62fb587663070323bdb3993205'>* enc/iso_8859_1.c, enc/iso_8859_4.c: Avoid setting modification flag if</a></td><td>duerst</td></tr>
<tr><td><span title='2016-07-11 09:05:53 +0000'>2016-07-11</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=7253570a838802cb04e99206beb945c427502616'>* enc/iso_8859_1.c: Moved test for lowercase characters without</a></td><td>duerst</td></tr>
<tr><td><span title='2016-07-10 10:33:51 +0000'>2016-07-10</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=8f0b58d36addb9466f58e692df69e568c7fdd72a'>* test/ruby/enc/test_case_comprehensive.rb: Changed testing logic in to</a></td><td>duerst</td></tr>
<tr><td><span title='2016-07-06 10:24:50 +0000'>2016-07-06</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=9511067652171d409936148560365d389e3d17b4'>* enc/iso_8859_1.c, enc/iso_8859_15.c, enc/iso_8859_16.c:</a></td><td>duerst</td></tr>
<tr><td><span title='2016-06-11 02:24:38 +0000'>2016-06-11</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=2d2b6460f48f82bdf7bee6a396293e2dc942e1a9'>iso_8859.h: SHARP_s</a></td><td>nobu</td></tr>
<tr><td><span title='2016-06-11 00:58:49 +0000'>2016-06-11</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=9fa8b80550d2af9309d2f493138c21969711bf60'>* enc/iso_8859_1.c: Revert to older version of code.</a></td><td>duerst</td></tr>
<tr><td><span title='2016-06-11 00:46:21 +0000'>2016-06-11</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=02f7ad6237466d552c21f1cc78acd33febaa5ee6'>* enc/iso_8859_1.c: Implement non-ASCII case mapping.</a></td><td>duerst</td></tr>
<tr><td><span title='2016-06-07 06:05:18 +0000'>2016-06-07</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=fd7925ffa547d36de6d24f3500593736226b89a6'>* regenc.h/c: Rename onigenc_not_support_case_map to</a></td><td>duerst</td></tr>
<tr><td><span title='2016-05-22 05:57:44 +0000'>2016-05-22</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=78c5ca70744e85f8468147ddc362962bcd987d30'>       * include/ruby/oniguruma.h: Extend OnigEncodingTypeDefine to define a</a></td><td>duerst</td></tr>
<tr><td><span title='2015-12-11 22:05:31 +0000'>2015-12-11</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=3ee57230b3f68e56ac0a6b1bbb941cee16cb7c37'>enc/windows_1252.c: new</a></td><td>nobu</td></tr>
<tr><td><span title='2014-09-15 16:18:41 +0000'>2014-09-15</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=d2a5354255bab4d74c710ee8ff21f43998f33095'>* reg*.c: Merge Onigmo 5.15.0 38a870960aa7370051a3544</a></td><td>naruse</td></tr>
<tr><td><span title='2012-02-17 07:42:23 +0000'>2012-02-17</span></td><td><a href='/ruby.git/commit/enc/iso_8859_1.c?h=v3_2_3&amp;id=0424e152c684a85f4b0691f1e84aec203115333d'>* Merge Onigmo-5.13.1. [ruby-dev:45057] [Feature #5820]</a></td><td>naruse</td></tr>