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Diffstat (limited to 'contrib/string/README.string_io')
| -rw-r--r-- | contrib/string/README.string_io | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/contrib/string/README.string_io b/contrib/string/README.string_io new file mode 100644 index 0000000000..4b4d10166f --- /dev/null +++ b/contrib/string/README.string_io @@ -0,0 +1,23 @@ +String io module for postgresql. +Copyright (C) 1999, Massimo Dal Zotto <dz@cs.unitn.it> + +This software is distributed under the GNU General Public License +either version 2, or (at your option) any later version. + + +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> |