Xcl---A family of programming lanquage-based shells

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As the three major UNIX shells have emerged, they have shown little inclination to include syntax and semantics from existing programming languages. The first of these shells, sh, contains only a small amount of C-like syntax. Csh provides some C language expression syntax, but includes very little other C syntax. The newest of these shells, ksh, also includes some C-like expression syntax, although they contain some significantly un-C-like syntax in such areas as relational and logical operators. Several much less widely used shells have been written that much more closely resemble particular programming languages. However, each of these shells have ... continued below

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Pages: 5

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Roschke, M.A. January 1, 1989.

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As the three major UNIX shells have emerged, they have shown little inclination to include syntax and semantics from existing programming languages. The first of these shells, sh, contains only a small amount of C-like syntax. Csh provides some C language expression syntax, but includes very little other C syntax. The newest of these shells, ksh, also includes some C-like expression syntax, although they contain some significantly un-C-like syntax in such areas as relational and logical operators. Several much less widely used shells have been written that much more closely resemble particular programming languages. However, each of these shells have the disadvantage of not being based upon a widely used programming language. In addition, interactive commands tend to be difficult to enter because they must frequently be entered using normal programming language constructs such as function calls. Thus, the vast majority of programmers of today's UNIX shells must deal with a shell interface that is not based upon any familiar programming language. This paper describes some of the features of the xcl family of shells. Each of these shells is based closely upon an existing programming language and provides the user with a familiar and highly programmable shell interface. 7 refs.

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Pages: 5

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NTIS, PC A02/MF A01 - OSTI; 1.

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  • Cray user's group conference, Los Angeles, CA, USA, 24 Apr 1989

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  • Other: DE89013442
  • Report No.: LA-UR-89-1693
  • Report No.: CONF-8904210-5
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6187973
  • Archival Resource Key: ark:/67531/metadc1105490

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1989

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  • Feb. 22, 2018, 7:45 p.m.

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  • June 4, 2018, 12:49 p.m.

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Roschke, M.A. Xcl---A family of programming lanquage-based shells, article, January 1, 1989; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1105490/: accessed June 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.