How to retrive data from DB(Aqua studio) in CVS format using UNIX script? Post: 302780013

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Top Forums UNIX for Dummies Questions & Answers How to retrive data from DB(Aqua studio) in CVS format using UNIX script? Post 302780013 by DGPickett on Wednesday 13th of March 2013 04:17:48 PM

03-13-2013

Registered User

The first queston in csv solutions is "Does the data include char with comma or double quotes?"

If not, it never needs quoting or escapes.
In csv, embedded commas must be double-quoted and embedded double quotes must be doubled! For example, if a column contained ' We said "Hello, sailor!" ', then it needs to be ' "We said ""Hello, sailor!"" ' or even ' We said ""Hello"," sailor!"" ' (double quotes right around the comma)! Many double quote every column against commas, but most forget double quote doubling! In a C/C++/JAVA/PERL program, you can detect comma and only quote on need, whole column in case it has multiple commas, for a minimum file size. CSV is very compressible, too.

You can select into excel with odbc and save as csv!

You can select with any command line tool (isql from unixODBC, jisql for xigole w/JDBC) and use sed or awk to reformat it trimmed with comma separators.

If the tool has a column separator, you can set it to comma, or convert it to comma.

You can put the commas in your select: select col_a || ',' || col_b .... Sometimes the concatenated string exceeds the allowed length unless you break it up.

You can put a marker on the data lines so they are simple to detect and separate from headings, error reports and status:

Code:

echo "
 select 'dAtAq,' || col_a || ',' || col_b || ....
" | isql ... | sed -n '
  s/^dAtAq,//p
  t
  w logfile
 ' > xxx.csv

We could process in bash if you insist.

Last edited by DGPickett; 03-13-2013 at 05:31 PM..

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LEARN ABOUT DEBIAN

cscope-indexer

cscope-indexer(1)					      General Commands Manual						 cscope-indexer(1)

NAME

       cscope-indexer - Script to index files for cscope

SYNOPSIS

       cscope-indexer [-v] [-f database_file] [-i list_file] [-l] [-r]

DESCRIPTION

       This  script  generates	a list of files to index (cscope.out), which is then (optionally) used to generate a cscope database.  You can use
       this script to just build a list of files, or it can be used to build a list and database.  This script is not used to just build  a  data-
       base (skipping the list of files step), as this can be simply done by just calling "cscope -b".

       Normally,  cscope will do its own indexing, but this script can be used to force indexing.  This is useful if you need to recurse into sub-
       directories, or have many files to index (you can run this script from a cron job, during the night).  It is especially	useful	for  large
       projects,  which  can  contstantly  have source files added and deleted; by using this script, the changing sources files are automatically
       handled.

       Currently, any paths containing "/CVS/" or "/RCS/" are stripped out (ignored).

OPTIONS

       -f database_file
	      Specifies the cscope database file (default: cscope.out).

       -i list_file
	      Specifies the name of the file into which the list of files to index is placed (default: cscope.files).

       -l     Suppress the generation/updating of the cscope database file.  Only a list of files is generated.

       -r     Recurse into subdirectories to locate files to index.  Without this option, only the current directory is searched.

       -v     Be verbose.  Output simple progress messages.

SEE ALSO

       cscope(1)

AUTHOR

       This manual page was written for the Debian GNU/Linux system by Robert Lemmen <robertle@semistable.com> (but may  be  used  by  others,	of
       course)

Script to index files for cscope				 30. December 2002						 cscope-indexer(1)