Perl terms starting with L

31 terms

  1. label The FDA approved label is the official description of a drug product which includes indication (what the drug is used for); who should take it; adverse…
  2. laziness The quality that makes you go to great effort to reduce overall energy expenditure.
  3. left shift A "bit shift" that multiplies the number by some power of 2.
  4. leftmost longest The preference of the "regular expression" engine to match the leftmost occurrence of a "pattern", then given a position at which a match will occur, the…
  5. lexeme Fancy term for a "token".
  6. lexer Fancy term for a "tokener".
  7. lexical analysis Fancy term for "tokenizing".
  8. lexical scoping Looking at your Oxford English Dictionary through a microscope. (Also known as "static scoping", because dictionaries don't change very fast.
  9. lexical variable A "variable" subject to "lexical scoping", declared by my. Often just called a "lexical".
  10. library A collection of cells, usually bacteria or yeast, that have been transformed with recombinant vectors carrying DNA inserts from a single species.
  11. LIFO Last In, First Out. See also "FIFO". A LIFO is usually called a "stack".
  12. line See Groove
  13. line buffering Used by a "standard I/O" output stream that flushes its "buffer" after every "newline".
  14. line number The number of lines read previous to this one, plus 1. Perl keeps a separate line number for each source or input file it opens.
  15. link See Hyperlink.
  16. LIST A Web site component that stores and displays information that users can add to by using their browsers.
  17. list context The situation in which an "expression" is expected by its surroundings (the code calling it) to return a list of values rather than a single value.
  18. list operator An "operator" that does something with a list of values, such as join or grep. Usually used for named built-in operators (such as print, unlink, and…
  19. list value An unnamed list of temporary scalar values that may be passed around within a program from any list-generating function to any function or construct that…
  20. literal A string, a number, or a date which directly represents a constant value. 'XYZ123', '1234' and '6/10/57' are examples of a string literal, a numeric…
  21. little-endian A common difference between machines is the order in which they store the individual bytes of multi-byte numerical data.
  22. local Not meaning the same thing everywhere. A global variable in Perl can be localized inside a dynamic scope via the local operator.
  23. logical operator Another term for Boolean operator. See Boolean expression.
  24. lookahead An "assertion" that peeks at the string to the right of the current match location.
  25. lookbehind An "assertion" that peeks at the string to the left of the current match location.
  26. loop A construct that performs something repeatedly, like a roller coaster.
  27. loop control statement Any statement within the body of a loop that can make a loop prematurely stop looping or skip an "iteration".
  28. loop label A kind of key or name attached to a loop (or roller coaster) so that loop control statements can talk about which loop they want to control.
  29. lvaluable Able to serve as an "lvalue".
  30. lvalue Term used by language lawyers for a storage location you can assign a new "value" to, such as a "variable" or an element of an "array".
  31. lvalue modifier An adjectival pseudofunction that warps the meaning of an "lvalue" in some declarative fashion.