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Read - calculate - loop - output
Introduction to Lua. example from a Well House Consultants training course
More on Introduction to Lua. [link]
Source code: straightforwards Module: U101
-- Add a loop
io.write ("Please enter a temperature in degrees F ") yousaid = io.read() io.write ("you said " .. yousaid .. " to me\n") celcius = (yousaid - 32) / 9 * 5 print ("In C, that's " .. celcius .. " degrees") -- Let's deal with things that are too hot while (celcius > 100) do -- loops run zero or more times print "Too Hot. Add a lump of ice" yousaid = yousaid - 5 celcius = (yousaid - 32) / 9 * 5 print ("Reducing to "..yousaid.." i.e. "..celcius) end --[[ Sample Output munchkin:lm12 grahamellis$ lua straightforwards Please enter a temperature in degrees F 45 you said 45 to me In C, that's 7.2222222222222 degrees munchkin:lm12 grahamellis$ lua straightforwards Please enter a temperature in degrees F 300 you said 300 to me In C, that's 148.88888888889 degrees Too Hot. Add a lump of ice Reducing to 295 i.e. 146.11111111111 Too Hot. Add a lump of ice Reducing to 290 i.e. 143.33333333333 Too Hot. Add a lump of ice Reducing to 285 i.e. 140.55555555556 Too Hot. Add a lump of ice Reducing to 280 i.e. 137.77777777778 Too Hot. Add a lump of ice Reducing to 275 i.e. 135 Too Hot. Add a lump of ice Reducing to 270 i.e. 132.22222222222 Too Hot. Add a lump of ice Reducing to 265 i.e. 129.44444444444 Too Hot. Add a lump of ice Reducing to 260 i.e. 126.66666666667 Too Hot. Add a lump of ice Reducing to 255 i.e. 123.88888888889 Too Hot. Add a lump of ice Reducing to 250 i.e. 121.11111111111 Too Hot. Add a lump of ice Reducing to 245 i.e. 118.33333333333 Too Hot. Add a lump of ice Reducing to 240 i.e. 115.55555555556 Too Hot. Add a lump of ice Reducing to 235 i.e. 112.77777777778 Too Hot. Add a lump of ice Reducing to 230 i.e. 110 Too Hot. Add a lump of ice Reducing to 225 i.e. 107.22222222222 Too Hot. Add a lump of ice Reducing to 220 i.e. 104.44444444444 Too Hot. Add a lump of ice Reducing to 215 i.e. 101.66666666667 Too Hot. Add a lump of ice Reducing to 210 i.e. 98.888888888889 munchkin:lm12 grahamellis$ ]] Learn about this subject
This module and example are covered on the following public courses:
* Learning to program in Lua * Lua Programming * Lua Programming Also available on on site courses for larger groups Books covering this topic
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