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Re: Piping output from sqlplus


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Buchbinder, Barry (NIH/NIAID) wrote:
| At Thursday, December 16, 2004 3:29 PM, Chuck wrote:
|
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|>I'm having a strange problem reading the output from sqlplus in
|>Cygwin. Sqlplus is a windows command line program used to access
|>oracle
|>databases. My command looks something like this...
|>
|>sqlplus -s <<! | read line
|>user/password@database
|>set pagesize 0 linesize 200 feedback off tab off
|>select col1||chr(9)||col2
|>from table;
|>!
|>
|>This should output one line to stdout with the two values separated
|>by a tab character. The read command should read it into the variable
|>$line.
|>On my Solaris system it works perfectly. In Cygwin, $line is empty.
|>
|>If I remove the "read line", the output displays on the tty just fine.
|>
|>I though it might be related to the line end characters so I tried
|>converting them with the dos2unix filter. Didn't work. Neither did tr
|>-d \\r. Both ways, $line still ends up being empty.
|>
|>If I replace the "read line" with "od -c" to dump the characters, it
|>shows the one line as expected.
|>
|>If I redirect the output to a file, the file contains one line as
|>expected.
|>
|>If I try to read the output into a variable, I get an empty variable
|>
|>Any ideas?
|
|
| If the output shows up OK in a file, do
| VAR="$(cat file)"
|

That may work but it misses the point. I'm writing a script and I want
it to work on Cygwin and unix.

BTW the shell I'm using is ksh.

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