Re: PATH is not setting - PERL (LD_LIBRARY

Setting LD_LIBRARY_PATH after the perl executable is already running likely doesn't do any good on many systems. The "dynamic linker/loader" component has already read and cached a copy of the LD_LIBRARY_PATH value and so doesn't notice your change. A search for LD_LIBRARY_PATH will turn up many discussions of this point and possible work-arounds, such as those included in the DBI, DBD::Oracle and LD_LIBRARY_PATH thread.

- tye

Comment on Re: PATH is not setting - PERL (LD_LIBRARY_PATH)

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Re^2: PATH is not setting - PERL (LD_LIBRARY_PATH) by srini_sun (Initiate) on Oct 16, 2007 at 02:22 UTC
Thanks Tye, `I added the same lines but I am getting the below error "env:this is not a file or a directory" BEGIN { unless ($ENV{BEGIN_BLOCK}) { $ENV{ORACLE_HOME} = '/opt/instantclient_10_2/'; $ENV{LD_LIBRARY_PATH} = '/opt/instantclient_10_2/'; #$ENV{TNS_ADMIN} = '/common/oracle/env'; $ENV{BEGIN_BLOCK} = 1; exec 'env',$0,@ARGV; } }` [download] Thanks Sri	[reply] [d/l]
Re^3: PATH is not setting - PERL (env) by tye (Sage) on Oct 16, 2007 at 03:04 UTC
You can replace 'env' with $^X and hope your dynamic loader doesn't notice that the perl executable is exec'ing the perl executable, like happens on some systems. There are also lots of less 'tricky' ways that don't have this problem. For example, have a shell script (or ".bat" file) wrapper that calls your Perl script. "env:this is not a file or a directory" Oh, I just realized that this is probably not a copy'n'paste of the actual error message but more likely a bad hand copy job and the real error is closer to: `env: yourscript: No such file or directory` [download] which means that `exec 'env', $^X, $0, @ARGV;` will likely work. - tye	[reply] [d/l] [select]
Re^4: PATH is not setting - PERL (env) by gregor-e (Beadle) on Feb 07, 2008 at 00:24 UTC
The one downside of this exec hack is you can no longer check syntax or debug, since 'perl -c myprog.pl' will execute the BEGIN block at compile time.	[reply]
Re^5: PATH is not setting - PERL (env) by dcblack (Initiate) on Dec 17, 2009 at 19:43 UTC
Re^5: PATH is not setting - PERL (env) by Anonymous Monk on Feb 24, 2010 at 14:30 UTC
Re^4: PATH is not setting - PERL (env) by srini_sun (Initiate) on Oct 16, 2007 at 03:52 UTC
Thanks tye ! excellent . it works. Regarding the error messgae : it displayed some thins in japanese , I translated it in english and posted.. Sri	[reply]