UNIX programmer's manual
Holt, Rinehart & Winston eBooksPublished 1 June 1986
Steven V. Earhart
Citations213
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Abstract
We identified that early low ALC was associated with increased one-year mortality in critically ill surgical patients, and prospective studies are warranted to confirm the finding.
Keywords
Computer Science
Communications of the ACMEfficient string matching
2,946 Citations1975Alfred V. Aho, Margaret J. Corasick
A simple, efficient algorithm to locate all occurrences of any of a finite number of keywords in a string of text that has been used to improve the speed of a library bibliographic search program by a factor of 5 to 10.
Yacc : Yet Another Compiler Compiler
1,239 Citations1978S. C. Johnson, Murray Hill
Yacc provides a general tool for describing the input to a computer program, together with code to be invoked as each such structure is recognized, and turns such a specification into a subroutine that handles the input process.
W. B. Saunders Company eBooksLex—a lexical analyzer generator
618 Citations1990Michael Lesk, Elisabeth Brandão Schmidt
This manual will only discuss generating analyzers in C on the UNIX system, which is the only supported form of Lex under UNIX Version 7.0, and is designed to simplify interfacing with Yacc, for those with access to this compiler-compiler system.
Journal of the ACMThe Generation of Optimal Code for Arithmetic Expressions
295 Citations1970Ravi Sethi, Jeffrey D. Ullman
It is shown that the algorithms presented here also minimize the number of storage references in the evaluation, and they are shown to take the shortest possible number of instructions.
Lint, a C Program Checker
266 Citations1978S. C. Johnson, Murray Hill
This document discusses the use of lint, gives an overview of the implementa- tion, and gives some hints on the writing of machine independent C code.
Journal of the ACMOptimal Code Generation for Expression Trees
242 Citations1976Alfred V. Aho, S. C. Johnson
A dynamic programming algorithm is presented which produces optimal code for any machine in this class of machines, which runs in time linearly proportional to the size of the input.
A portable compiler
122 Citations1978S. C. Johnson
An overview of the compiler structure and algorithms is given, emphasizing those areas where theory was helpful, and discussing the approaches taken where theory is lacking.
ACM Computing SurveysLR Parsing
118 Citations1974Alfred V. Aho, S. C. Johnson
This paper provides an informal exposit ion of L R parsing techniques emphasizing the mechanical generat ion of efficient L R parsers for context-free grammars.
Bell System Technical JournalUNIX Time-Sharing System: The UNIX Shell
104 Citations1978S. R. Bourne
The UNIX∗ shell is a command programming language that provides an interface to the UNIX operating system that contains several mechanisms found in algorithmic languages such as control-flow primitives, variables, and parameter passing.
Elsevier eBooksIf… Then….Else
72 Citations1969David J. Malcolme-Lawes
This chapter discusses the if … then … else command, a situation in which the execution of one of two alternative commands is required depends on whether a particular relation has the value true or false.
Bell System Technical JournalUNIX Time-Sharing System: The Programmer's Workbench
51 Citations1978T. A. Dolotta, Rusty Haight +1 more
The Programmer's Workbench UNIX system (PWB/UNIX) is a facility that serves as a large, general-purpose, “utility” computing service that provides a convenient working environment and a uniform set of programming tools to a very diverse group of users.
ACM SIGPLAN NoticesAn overview of SL5
31 Citations1977Ralph E. Griswold, David R. Hanson
At the h19her 1eve1, the 5L5 1an 9ua9e pr0v1de5 a t001 f0r exp10r1n9 a var1ety 0f Pr09ramm1n 9 techn14ue5 that are awkward 0r 1mpract1ca1 1n 0ther 1an9ua 9e5.
Code-generation for machines with multiregister operations
25 Citations1977Alfred V. Aho, S. C. Johnson +1 more
A linear-time optimal code generation algorithm is derived for a register-pair machine in which all registers are interchangeable, based on showing that for this model there is an optimal evaluation sequence with limited oscillation between the sub-trees dominated by the children of a given node.
A Portable Compiler for the Language C
14 Citations1975Alan Snyder
This paper describes the implementation of a compiler for the language C, designed to be able to be capable of producing assembly-language code for most register-oriented machines with only minor recoding.
Munich Personal RePEc Archive (Ludwig Maximilian University of Munich)MUNIX, a multiprocessing version of UNIX
6 Citations1975John Alfred Hawley, W. Meyer
The evolution of change from UNIX to the more responsive and efficient modified version called MUNIX is documented here to provide a basis for continuing work on the system and as a guide that might prove helpful to others engaged in similar projects.