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Characters & Strings: generating data files on demand

Tutorials on Fortran by www.giuseppeforte.me is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

In this example I introduce the usage of characters and strings. In particular, I discuss how to use character variables to generate new data files on demand (for example within a cycle). Such technique could be extremely useful. Indeed, is practically impossible to define data files by hand, when the number of such data files is huge. 

EXAMPLE - III:  automatic generation of data - files​

In this example:

• Character declaration
• Strings concatenation
• How to write (convert) an integer number in a string, using a given format  
• how to trim and adjust the length of an already defined character variable ​

In addition to the previous points, specifically related to the usage of character variables, in this example you will also learn how to redirect  all the outputs on the screen in an external file

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Download the Source code (it is free, just have fun!). 
In order to compile and run the source code given in the attached Listing, refer to the instructions in section before starting

files_on_demand.pdf
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listing1_3.f
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