Search results
Results From The WOW.Com Content Network
A screenshot of the original 1971 Unix reference page for glob – the owner is dmr, short for Dennis Ritchie.. glob() (/ ɡ l ɒ b /) is a libc function for globbing, which is the archetypal use of pattern matching against the names in a filesystem directory such that a name pattern is expanded into a list of names matching that pattern.
A related ambiguity arises when a filename is moved to an existing directory. By default, mv would handle this as one trying to move a name inside this directory. GNU mv has a -T switch for disabling this assumption and try to overwrite the directory instead. An inverse -t makes the move-to-directory operation explicit. [4]
Anonymous recursion is primarily of use in allowing recursion for anonymous functions, particularly when they form closures or are used as callbacks, to avoid having to bind the name of the function. Anonymous recursion primarily consists of calling "the current function", which results in direct recursion .
In computer programming languages, a switch statement is a type of selection control mechanism used to allow the value of a variable or expression to change the control flow of program execution via search and map.
Each directory is a separate namespace, so that the directories "letters" and "invoices" may both contain a file "to_jane". In computer programming , namespaces are typically employed for the purpose of grouping symbols and identifiers around a particular functionality and to avoid name collisions between multiple identifiers that share the ...
(The pair [1,1] could likewise be used for the variant definition.) The alphabetic tokens are built-in filters: `first` and `last` emit the first and last elements of their input arrays respectively; and `recurse(f)` applies a filter, f, to its input recursively. jq also allows new filters to be defined in a tacit style, e.g.:
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 December 2024. Look up recursion in Wiktionary, the free dictionary. Recursion is the process of repeating items in a self-similar way. Recursion may also refer to Recursion (computer science), a method where the solution to a problem depends on solutions to smaller instances of the same problem ...
The definition of is the same as that of the primitive recursive functions, PR, except that recursion is limited ((, ¯) (, ¯) for some j in ) and the functions () < are explicitly included in . Thus the Grzegorczyk hierarchy can be seen as a way to limit the power of primitive recursion to different levels.