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PowerShell is a task automation and configuration management program from Microsoft, consisting of a command-line shell and the associated scripting language.Initially a Windows component only, known as Windows PowerShell, it was made open-source and cross-platform on August 18, 2016, with the introduction of PowerShell Core. [9]
In Raku, a sister language to Perl, for must be used to traverse elements of a list (foreach is not allowed). The expression which denotes the collection to loop over is evaluated in list-context, but not flattened by default, and each item of the resulting list is, in turn, aliased to the loop variable(s). List literal example:
for (name in phonebook) {print name," ", phonebook [name]} The user can search for elements in an associative array, and delete elements from the array. The following shows how multi-dimensional associative arrays can be simulated in standard AWK using concatenation and the built-in string-separator variable SUBSEP:
The following list contains syntax examples of how a range of element of an array can be accessed. In the following table: first – the index of the first element in the slice
The most frequently used general-purpose implementation of an associative array is with a hash table: an array combined with a hash function that separates each key into a separate "bucket" of the array. The basic idea behind a hash table is that accessing an element of an array via its index is a simple, constant-time operation.
Server-side embedded languages are much more flexible, since almost any language can be built into a server. The aim of having fragments of server-side code embedded in a web page is to generate additional markup dynamically; the code itself disappears when the page is served, to be replaced by its output.
For a dip into the absurd, there's Mountain Dew's 'Puppy Monkey Baby.' An ad that depicts just that: the head of a pug, the body of a monkey and the legs of a human baby. The trio mashup offers a ...
Piping semantics in PowerShell help enable complex scenarios with one-liner programs. This one-liner in PowerShell script takes a list of names and counts from a comma-separated value file, and returns the sum of the counts for each name.