Perl programming: printing a string
Tutoring web programming, you might encounter a question about Perl. The tutor mentions an observation. Because …
Tag: perl
Perl: int() function: isolating a digit
Tutoring computer science, extracting a digit is a suggested exercise. The tutor shows a use of …
Perl: regular expressions: yesterday’s code explained
The tutor tells the workings of yesterday’s pattern matching example. In yesterday’s post I mention that …
Perl: regular expressions: yesterday’s code explained Read more →
Perl: using regex (aka regular expression, pattern matching) to find an item and its price in a string
The tutor demonstrates a Perl regular expression that finds an item name and its price in …
Perl: random numbers, but less random
The tutor prepares for a statistics experiment. The first step is to generate two lists: one …
Perl: round off
The tutor gives a way to round numbers in Perl. To my knowledge, the best way …
Perl: qw (quote words)
The tutor brings up a neat Perl utility that you often see used in discussions between …
Perl arrays: array length
The tutor shows Perl’s way of finding the length of an array. For an intro to …
PERL: variables (or should we say $variables)?
When you tutor computer programming, you must explain the use of variables. Such is the next …
PERL programming: the “shebang” line
Tutoring PERL beginnings, the details can be so important. While the tutor now focuses to the …