华而不实 发表于 2025-3-23 10:42:32

Carl Magnus Olsson,Nancy L. RussoOperating systems use “wildcards” in order to make referring to filenames easier. The idea of regular expressions (or patterns) in Perl is very much like wildcards...at least conceptually. While wildcards are special characters that refer to filenames, regular expressions are special characters that refer to text within a string.

防止 发表于 2025-3-23 16:32:14

IT Portfolio and Project Management,The . statement is useful for breaking up a scalar value based on a particular character (or characters). It will return what is split as a list (array) of scalar values. This list is normally assigned to an array:.........

平庸的人或物 发表于 2025-3-23 20:36:22

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厚颜 发表于 2025-3-23 23:12:08

https://doi.org/10.1007/978-3-319-96187-3To create a function, use the . statement:....

远地点 发表于 2025-3-24 02:54:41

https://doi.org/10.1007/978-3-319-96187-3Perl modules (sometimes called libraries) are files that contain reusable code. These libraries can either be created by you, built-in to Perl, or downloaded from the Internet.

Plaque 发表于 2025-3-24 08:43:47

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Banister 发表于 2025-3-24 13:47:00

Origin of Perl,Perl was developed in 1987 by Larry Wall. It was created because the tools that were available to Mr. Wall at the time (sed, C, awk, and Bourne shell) didn’t provide the sort of functionality that he required.

Ventricle 发表于 2025-3-24 18:30:29

Scalar Variables,A numeric literal is simply any kind of valid number. In Perl the following numeric types are supported:

宽大 发表于 2025-3-24 20:24:16

Array Variables,Array variables are used to store lists (groups) of scalar data. The following describes important information about array variables:

BILIO 发表于 2025-3-24 23:17:39

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