These Perl articles are of the highest quality.
The complete developerWorks "Cultured Perl" series: A programmer's Linux-oriented setup http://www-106.ibm.com/developerworks/linux/library/l-plset/index.html?t=gr,p=PerlSetup Application configuration with Perl http://www-106.ibm.com/developerworks/linux/library/l-perl3/index.html?t=gr,p=PerlAppConfig Automating UNIX system administration with Perl http://www-106.ibm.com/developerworks/linux/library/l-punix.html?t=gr,p=PerlUSA Debugging Perl with ease http://www-106.ibm.com/developerworks/linux/library/l-pl-deb.html?t=gr,p=PerlDebug The elegance of JAPH http://www-106.ibm.com/developerworks/linux/library/l-japh.html?t=gr,p=PerlJAPHk Genetic algorithms applied with Perl http://www-106.ibm.com/developerworks/linux/library/l-genperl/?t=gr,p=PerlMathk One-liners 101 http://www-106.ibm.com/developerworks/linux/library/l-p101/?t=gr,p=Perl1liners Parsing with Perl modules http://www-106.ibm.com/developerworks/linux/library/perl-parsing/index.html?t=gr,p=PerlParse Perl 5.6 for C and Java programmers http://www-106.ibm.com/developerworks/linux/library/l-p560.html?t=gr,p=Perl4C Reading and writing Excel files with Perl http://www-106.ibm.com/developerworks/linux/library/l-pexcel/?t=gr,p=PerlExcel Review of Programming Perl, Third Edition http://www-106.ibm.com/developerworks/linux/library/l-perl5.html?t=gr,p=PerlReview Save it with Perl http://www-106.ibm.com/developerworks/linux/library/perl2/index.html?t=gr,p=PerlSave Small observations about the big picture http://www-106.ibm.com/developerworks/linux/library/perl1/?t=gr,p=PerlBigPic Writing Perl programs that speak English http://www-106.ibm.com/developerworks/linux/library/perl-speak.html?t=gr,p=PerlSpeak Another good developerWorks resource is this long list of well-written Linux Tutorials. http://www-105.ibm.com/developerworks/education.nsf/dw/linux-onlinecourse-bytitle?Open&t=gr,p=lnxtuts
