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Outputting numbers as words - MySQL with Perl or PHP

Oracle's in_char function lets you convert numbers into a text string, but it's an unusual facility to have as as built-in; there's no such facility (as far as I know) in MySQL but you can get around this easily enough within your controlling application - the Nums2Words module on the CPAN (in Perl), and a similar module on the PEAR (for PHP users) does all the hard work for you.

Here's a Perl example:

use Nums2Words;
@testvals = (7, 12, 153, -19, 1234007, 0.7,
  3.1415, 666.62, -176.75, 10.6e15);
foreach $number(@testvals) {
  $t1 = ucfirst(lc(num2word($number)));
  print "$number = $t1\n";
  }


When you run that, you get

earth-wind-and-fire:~/jun07 grahamellis$ perl n2w
7 = Seven
12 = Twelve
153 = One hundred fifty-three
-19 = Negative nineteen
1234007 = One million, two hundred thirty-four thousand, seven
0.7 = Zero and seven tenths
3.1415 = Three and one thousand, four hundred fifteen ten-thousandths
666.62 = Six hundred sixty-six and sixty-two hundredths
-176.75 = Negative one hundred seventy-six and seventy-five hundredths
1.06e+16 = One and six thousand, sixteen millionths
earth-wind-and-fire:~/jun07 grahamellis$


A web search lead me to similar code in Java, and no doubt there's someting in the Cheeseshop if you're a Python programmer. Lesson to be learnt - look around before you re-write code!
(written 2007-06-17)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
P219 - Perl - Libraries and Resources
  [3377] What do I mean when I add things in Perl? - (2011-08-02)
  [3101] The week before Christmas - (2010-12-23)
  [3009] Expect in Perl - a short explanation and a practical example - (2010-10-22)
  [2931] Syncronise - software, trains, and buses. Please! - (2010-08-22)
  [2427] Operator overloading - redefining addition and other Perl tricks - (2009-09-27)
  [2234] Loading external code into Perl from a nonstandard directory - (2009-06-12)
  [2229] Do not re-invent the wheel - use a Perl module - (2009-06-11)
  [1865] Debugging and Data::Dumper in Perl - (2008-11-02)
  [1863] About dieing and exiting in Perl - (2008-11-01)
  [1444] Using English can slow you right down! - (2007-11-25)
  [1391] Ordnance Survey Grid Reference to Latitude / Longitude - (2007-10-14)
  [1219] Judging the quality of contributed Perl code - (2007-06-06)
  [760] Self help in Perl - (2006-06-14)
  [737] Coloured text in a terminal from Perl - (2006-05-29)
  [712] Why reinvent the wheel - (2006-05-06)
  [358] Use standard Perl modules - (2005-06-25)
  [357] Where do Perl modules load from - (2005-06-24)
  [112] Avoid the wheel being re-invented by using Perl modules - (2004-11-08)
  [86] Talk review - Idiomatic Perl, David Cross - (2004-10-12)

S157 - More MySQL commands
  [4481] Extracting data from backups to restore selected rows from MySQL tables - (2015-05-01)
  [3270] SQL - Data v Metadata, and the various stages of data selection - (2011-04-29)
  [3061] Databases - why data is split into separate tables, and how to join them - (2010-11-20)
  [2647] Removing duplicates from a MySQL table - (2010-02-22)
  [2645] Optimising and caching your MySQL enquiries - (2010-02-22)
  [2644] Counting rows in joined MySQL tables - (2010-02-22)
  [2643] Relating tables with joins in MySQL - (2010-02-21)
  [2448] MySQL - efficiency and other topics - (2009-10-10)
  [2259] Grouping rows for a summary report - MySQL and PHP - (2009-06-27)
  [2110] MySQL - looking for records in one table that do NOT correspond to records in another table - (2009-03-31)
  [1904] Ruby, Perl, Linux, MySQL - some training notes - (2008-11-23)
  [1735] Finding words and work boundaries (MySQL, Perl, PHP) - (2008-08-03)
  [1574] Joining MySQL tables revisited - finding nonmatching records, etc - (2008-03-15)
  [1331] MySQL joins revisited - (2007-09-03)
  [1213] MySQL - the order of clauses and the order of actions - (2007-06-01)
  [673] Helicopter views and tartans - (2006-04-06)
  [591] Key facts - SQL and MySQL - (2006-02-04)
  [581] Saving a MySQL query results to your local disc for Excel - (2006-01-29)
  [572] Giving the researcher power over database analysis - (2006-01-22)
  [567] Combining similar rows from a MySQL database select - (2006-01-17)
  [517] An occasional chance, and reducing data to manageable levels - (2005-12-04)
  [515] MySQL - an FAQ - (2005-12-03)
  [513] MySQL - JOIN or WHERE to link tables correctly? - (2005-12-01)
  [502] SELECT in MySQL - choosing the rows you want - (2005-11-22)
  [494] MySQL - a score of things to remember - (2005-11-12)
  [449] Matching in MySQL - (2005-09-24)
  [279] Getting a list of unique values from a MySQL column - (2005-04-14)
  [159] MySQL - Optimising Selects - (2004-12-21)
  [158] MySQL - LEFT JOIN and RIGHT JOIN, INNER JOIN and OUTER JOIN - (2004-12-20)


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