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--- cdc6500_survival_guide [2019/09/11 04:22]
cvena325 [Program source files] added FORTRAN subsystem example
+++ cdc6500_survival_guide [2020/08/12 06:12] (current)
hc9 [Local files]
@@ Line 7: / Line 7: @@
 This document is a short guide for those interested in exploring the 6500's interactive command environment.
-//(Note: The primary author worked briefly with a CDC NOS computer 30 years ago, but all information below is based on study of the referenced manuals and experimentation on LC's 6500. We apologizes for any inaccuracies and welcome corrections and improvement suggestions.)//
+//(Note: The primary author worked briefly with a CDC NOS computer 30 years ago, but all information below is based on study of the referenced manuals and experimentation on LC's 6500. We apologize for any inaccuracies and welcome corrections and improvement suggestions.)//
 ===== Connecting =====
@@ Line 79: / Line 79: @@
 Local files are the set of temporary files and direct access files (permanent files) currently open by a particular job or user session.
-File names my be up to seven alphanumeric (upper-case) characters and may not begin with a numeric character. The following file names are reserved by the system:
+File names may be up to seven alphanumeric (upper-case) characters and may not begin with a numeric character. The following file names are reserved by the system:
 | INPUT | P8 | SCR3 |
@@ Line 254: / Line 254: @@
 Although the programming subsystems include basic functionality for entering and modifying program source code in the primary file, the NOS Text Editor program (''EDIT'') provides both advanced editing functions and the ability to edit other local files besides the primary file.
-| ''EDIT\\
+| ''EDIT''\\ ''EDIT'',//file//\\ ''EDIT'',//file//,//mode//	| Edit the primary file with Text Editor. The second form is for editing other local files. The third form is for specifying a file mode; ''N''=normal, ''AS''=ASCII.|
-EDIT,''//file//	| Edit the primary file with Text Editor. The second form is for editing other local files. |
 | ''RESET''                 | Reset current line pointer to first line. |
 | ''SET'';n                 | Set the current-line pointer by moving it +/- "n" lines relative to the current position. |
@@ Line 266: / Line 265: @@
 | ''RS:''/abc/,/xyz/;n      | Replace string "abc" with "xyz" in the current line "n" times|
 | ''END''	| Exit Text Editor |
+Here is an example session using the ''EDIT'' command to create and edit a simple ASCII text file.
+<code>
+/EDIT,test,AS
+ BEGIN TEXT EDITING.
+? add
+ ENTER TEXT.
+? /This is a test file.
+? It has multiple lines of text.
+? This file demonstrates the edit command.
+? This is line 4./
+ READY.
+? list;*
+This is a test file.
+It has multiple lines of text.
+This file demonstrates the edit command.
+This is line 4.
+ -END OF FILE-
+? add
+ ENTER TEXT.
+? /Pointer at line 1, we insert a new line 2./
+ READY.
+? list;*
+This is a test file.
+Pointer at line 1, we insert a new line 2.
+It has multiple lines of text.
+This file demonstrates the edit command.
+This is line 4.
+ -END OF FILE-
+? set;4
+? list
+This is line 4.
+? delete
+ -END OF FILE-
+? add
+ ENTER TEXT.
+? /This is line 5./
+ READY.
+? reset
+? list;*
+This is a test file.
+Pointer at line 1, we insert a new line 2.
+It has multiple lines of text.
+This file demonstrates the edit command.
+This is line 5.
+ -END OF FILE-
+? end
+ END TEXT EDITING.
+$EDIT,TEST,AS.
+/SAVE,test
+</code>
 ===== Batch =====

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