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| | Encyclopedia: DIGITAL Command Language |
 | | DCL includes IF-THEN-ELSE, access to all the RMS file types including stream, indexed, and sequential, but unfortunately lacks a DO-WHILE or other looping construct, requiring users to make do with IF and GOTO instead. |
 | | A scripting language that was written when the Fortran programming language was in heavy use, it supports several datatypes, including strings, integers, bit arrays, arrays and booleans, but not floating point numbers. |
 | | DCL is Digital 's (now Hewlett-Packard) standardised command line interface. |
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