Insert the line break in end of the all lines in the paragraph

Hi!

This might be of help:

http://in-tools.com/article/scripts-blog/freeze-composition/

also a ancient script i wrote:

function isLetter(str) {
  return /^[a-z\u00C0-\u00ff]$/i.test(str);
}
 function isBreak(str) {
  return /^[\u0021\u0022\u0023\u0025\u0026\u0027\u0028\u0029\u002A\u002C\u002D\u002E\u002F\u003A\u003B\u003F\u0040\u005B\u005C\u005D\u005F\u007B\u007D\u00A1\u00AB\u00B7\u00BB\u00BF\u037E\u0387\u055A\u055B\u058A\u05C3\u05F3\u05F4\u060C\u061B\u066A\u1806\u1808\u1809\u2010\u2011\u2012\u2013\u2014\u2015\u2018\u2019\u201A\u201B\u201C\u201D\u201E\u201F\u2032\u2033\u2034\u2035\u2036\u2037\u2039\u203A\uFF01\uFF02\uFF03\uFF05\uFF06\uFF07\uFF08\uFF09\uFF0A\uFF0C\uFF0D\uFF0E\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B\uFF3C\uFF3D\uFF3F\uFF5B\uFF5D\uFF65\d ]$/i.test(str);
}
function breakstory(myStory) {
for (a=myStory.lines.length-1;a>=+0; a--)
{
 if (myStory.lines.characters.item(-1).isValid)
 {
  if (isBreak(myStory.lines.characters.lastItem().contents))
    myStory.lines.insertionPoints[-1].contents = '\n';
 if (isLetter(myStory.lines.characters.lastItem().contents) || myStory.lines.characters.lastItem().contents==SpecialCharacters.DISCRETIONARY_HYPHEN)
    myStory.lines.insertionPoints[-1].contents = '-\n';
   // else $.writeln(app.selection[0].lines.characters.item(-1).contents)
   
}}
}
for ( i=app.activeDocument.stories.length-1;i>=0; i--){
    breakstory (app.activeDocument.stories.item(i))}