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Letter frequency: Difference between revisions
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→Version 1: corrected two spelling errors. -- ~~~~
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===Version 1===
It should be noted that the file being read is read one line at time, so the
<br>line-end characters (presumably the line-feed,
<br>whatever control characters are being used) could have been read and reported.
<br>These characters could be read if the '''charin''' bif would be used instead of '''linein'''.
<br><br>Also note that this REXX program is ASCII or EBCDIC
<br>restricted to the Latin alphabet (which the English version of REXX considers a letter).
<br>All characters are still counted, whether a letter or not, including non-displayable characters.
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file ───── countfrq.rex ───── has 3076 characters.
</pre>
===Version 2 (for TSO===
<lang rexx>/*REXX program counts the occurences of all characters in a file
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