string_io.doc
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- These output functions can be used as substitution of the standard text
- output functions to get the value of text fields printed in the format
- used for C strings. This allows the output of queries or the exported
- files to be processed more easily using standard unix filter programs
- like perl or awk.
- If you use the standard functions instead you could find a single tuple
- splitted into many lines and the tabs embedded in the values could be
- confused with those used as field delimters.
- My function translates all non-printing characters into corresponding
- esacape sequences as defined by the C syntax. All you need to reconstruct
- the exact value in your application is a corresponding unescape function
- like the string_input defined in the source code.
- Massimo Dal Zotto <dz@cs.unitn.it>