Imp Exp utility in ubuntu 10.4 with oracle instant client 10

Question

Hi,
I have a problem with the imp/exp utility on Ubuntu 10.4.
I have installed the oracle instant client 10, and I have followed this thread
[http://download.oracle.com/docs/cd/B25329_01/doc/admin.102/b25107/impexp.htm#CHDDBGDF]
So, I've set env variable in my .bashrc
ORACLE_HOME=/home/lucia/Programmi/instantclient10_1
export ORACLE_HOME
LD_LIBRARY_PATH=/home/lucia/Programmi/instantclient10_1:${LD_LIBRARY_PATH}
export LD_LIBRARY_PATH
PATH=/home/lucia/Programmi/instantclient10_1:${PATH}
export PATH
SQLPATH=/home/lucia/Programmi/instantclient10_1:${SQLPATH}
export SQLPATH
Sqlplus works fine, but when I try to use the utility exp/imp
exp DB_USER/DB_PW@DB_SCHEMA owner=DB_USER buffer=300000 LOG=DB_USER.log FILE=DB_USER.dmp compress=n
I have the following error:
No command 'exp' found, did you mean:
Command 'xep' from package 'pvm-examples' (universe)
Command 'ex' from package 'vim' (main)
Command 'ex' from package 'nvi' (universe)
Command 'ex' from package 'vim-nox' (universe)
Command 'ex' from package 'vim-gnome' (main)
Command 'ex' from package 'vim-tiny' (main)
Command 'ex' from package 'vim-gtk' (universe)
Command 'axp' from package 'axp' (universe)
Command 'expr' from package 'coreutils' (main)
Command 'expn' from package 'sendmail-base' (universe)
Command 'epp' from package 'e16' (universe)
exp: command not found
(I cannot use data pump exp)
Any suggestions?
thanks in advance.
Lucia

Answer 1

root@laptop:~# /tmp/CVU_11.2.0.1.0_lucia/runfixup.sh
Response file being used is :/tmp/CVU_11.2.0.1.0_lucia/fixup.response
Enable file being used is :/tmp/CVU_11.2.0.1.0_lucia/fixup.enable
Log file location: /tmp/CVU_11.2.0.1.0_lucia/orarun.log
[: 845: true: unexpected operator
[: 860: unexpected operator
Any suggestions?
thanks
LuciaHello,
I had the same problem. It was related to the shell script interpreter being used: it is really a bash script asking to be interpreted as sh. For the impatient, the solution was to change the first line of the script orarun.sh to read as:
#!/bin/bash
Explanation:
1. The script runfixup.sh calls orarun.sh. The latter is the one that fails starting at line 845.
2. The script is really a bash script as can be seen from the if syntax used. For example at line 191 we see the double equall sign ==:
if [ "`echo $SET_KERNEL_PARAMETERS | tr A-Z a-z`" == "true" ]
3. The bash man page says:
string1 == string2
string1 = string2
True if the strings are equal. = should be used with the test command for POSIX conformance.
string1 != string2
True if the strings are not equal.
(End of man page excerpt)
Notice in particular that for a bash script to be POSIX it should avoid the == and just use =
4. orarun.sh has on its first line #!/bin/sh. On my Ubuntu system, sh is a softlink to dash and the dash man page says:
s1 = s2 True if the strings s1 and s2 are identical.
s1 != s2 True if the strings s1 and s2 are not identical.
5. So this script script uses bash syntax but is interpreted by dash. It is possible that this worked fine for the Oracle developer if on their system sh was softlinked to bash (which is often the case). Apparently, one should then be very careful to not use idioms that are not POSIX compliant.
6. Another solution is to change the /bin/sh softlink from dash to bash. Personally, I was less comfortable doing this (the possible repercussions were wider than the proposed solution above).
After making the change, the script ran perfectly. I think the best solution is for Oracle to update the script to be POSIX compliant or to identify itself as bash.
Hope that helped,
Mark Gaber
Edited by: user1112514 on Jun 30, 2010 3:28 AM