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<title>tr Summary</title>
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<h1>tr Summary</h1>

<ul>
  <li><h2>tr input MUST come from standard input </h2>
  </li>
</ul>

<ul>
  <li><h2>tr does NOT change the input file but puts its modified values on standard output </h2>
  </li>
</ul>

<ul>
  <li><h2>recognizes the range, set regular expressions </h2>
  </li>
</ul>

<ul>
  <li><h2>if more than a single character then characters replaced match up on left with
    characters which replace them (i.e. &#147;qex&#148; &#147;abc </h2>
    <ul>
      <li>a for a </li>
      <li>b for e </li>
      <li>c for x </li>
    </ul>
  </li>
</ul>

<ul>
  <li><h2>characters can be deleted with the -d option </h2>
  </li>
</ul>

<ul>
  <li><h2>multiple characters removed with the -s option </h2>
  </li>
</ul>

<ul>
  <li>&nbsp;</li>
</ul>

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