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Add hexadecimal binary output conversion option

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This commit adds another binary output conversion option to convert
binary blobs into hexadecimal notation, similar to the output of the
following command:
  xxd -p binaryfile.bin | tr -d '\n'

(In other words, a single line string of hexadecimal characters
representing a binary blob)

When exporting SQL INSERT statements for SQLite and PostgreSQL and when
the hexadecimal notation is specified with 'mdb-export -b hex ...',
special consideration is given to ensure that binary blobs are safely
written to the SQLite or PostgreSQL database.

Signed-off-by: David Hicks <david@hicks.id.au>
This commit is contained in:
David Hicks
2014-06-29 01:26:50 +10:00
parent 95cf90d8ea
commit f2890dc1d0
4 changed files with 49 additions and 18 deletions
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20
doc/mdb-export.txt
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@@ -10,16 +10,16 @@ DESCRIPTION
It produces a CSV (comma separated value) output for the given table. Such output is suitable for importation into databases or spreadsheets.
OPTIONS
-H Suppress header row
-Q Don't wrap text-like fields (text, memo, date) in quotes. If not specified text fiels will be surrounded by " (double quote) characters.
-d Specify an alternative column delimiter If no delimiter is specified, table names will be delimited by a , (comma) character.
-R Specify a row delimiter
-I backend INSERT statements (instead of CSV). You must specify which SQL backend dialect to use. Allowed values are: access, sybase, oracle, postgres, mysql and sqlite.
-D Set the date format (see strftime(3) for details)
-q Use to wrap text-like fields. Default is ".
-X Use to escape quoted characters within a field. Default is doubling.
-N namespace Prefix identifiers with namespace.
-b strip|raw|octal Binary export mode: strip binaries, export as-is, or output \ooo style octal data.
-H Suppress header row
-Q Don't wrap text-like fields (text, memo, date) in quotes. If not specified text fiels will be surrounded by " (double quote) characters.
-d Specify an alternative column delimiter If no delimiter is specified, table names will be delimited by a , (comma) character.
-R Specify a row delimiter
-I backend INSERT statements (instead of CSV). You must specify which SQL backend dialect to use. Allowed values are: access, sybase, oracle, postgres, mysql and sqlite.
-D Set the date format (see strftime(3) for details)
-q Use to wrap text-like fields. Default is ".
-X Use to escape quoted characters within a field. Default is doubling.
-N namespace Prefix identifiers with namespace.
-b strip|raw|octal|hex Binary export mode: strip binaries, export as-is, output \ooo style octal data or output \xx style hexadecimal data.
NOTES