1): which perl
/usr/bin/perl
2): which perl version
perl -v
perl -version
3): which perl path
PERL5LIB=c:\perl\lib;c:\perl\site\lib
perl -e 'print join "\n", @INC'
perl -e 'print "\@INC is @INC\n";'
# add a search path for perl lib
{push @INC, "/tmp"}
#use lib "/tmp";
4): where is the perl module
4a): perl -MDBD::Oracle -e 'print $INC{"DBD/Oracle.pm"}, "\n"'
perl -MDBI -e 'print $INC{"DBI.pm"}, "\n"'
perl -MTerm::ReadKey -e 'print $INC{"Term/ReadKey.pm"}, "\n"'
4b): which perl module is installed
find . -name ReadKey.pm -exec ls -l {} \;
./perl5/site_perl/5.8.0/sun4-solaris/Term/ReadKey.pm
# for each perl module, find its pm file
find . -name "*.pm" -print
find . -name "*.pm" -exec ls -l { } \;
find . -name "*.pm" -print|xargs ls -l
find . -name "*.pm" |xargs ls -l
-- ------------------------------
# perl DBI version
perl -MDBI -e 'DBI->installed_versions;'
perl -e 'use DBD::Oracle; print $DBD::Oracle::VERSION,"\n";'
perl -MDBD::Oracle -e 'print $INC{"DBD/Oracle.pm"}, "\n"'
