--- Jay Savage <[EMAIL PROTECTED]> wrote: > On 11/30/06, Hotz, Harry <[EMAIL PROTECTED]> wrote: > > > > I have a new AIX 5.3 server that comes > with a default Perl 5.82. > > I have a DB2 programmer that has scripts from an > old AIX 4.3 server that > > used Perl 5.005_03. He will have to rewrite his > scripts to use the new > > Perl and asked me to install the old version side > by side. I did so in a > > usr/lpp/oldperl directory and compiled it > successfully. He took the user > > account under which the scripts are executing and > added a path to the > > profile to point to the location of the old Perl > but when he uses it and > > does a perl -version he still gets a return of the > 5.8 version. He feels > > this is a guarantee that his scripts will be > hitting the wrong version > > and wants to know why he cannot version query the > old Perl. > > > > My question is it even possible to > successfully work with two > > versions of Perl..5.005 and 5.8 on the same > server...and I don't mean > > just different modules. I saw that there is a use > command to access > > different module versions but I don't know if that > applies to using the > > whole Perl version. I do plan to insist he rewrite > for the new version > > soon but if I could do anything for him quickly to > make his scripts use > > the old version I will. > > > > It's absolutely possible. In fact, it's recommended > when upgrading. > > The likely culprit here is the "bang path." He can > alias the shell > variable, but if the first line of the script is > still > > #!/usr/bin/perl > > then /usr/bin/perl is the Perl that will be used. > What he needs to do > is go into the scripts that he's worried about and > point them to > > #!/usr/lpp/oldperl/perl5.005_03 > > ...or wherever the actual executable for the old > Perl is hiding. It > sounds like a lot of work, but he can automate it. > > HTH, >
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