Trailing-Edge - PDP-10 Archives - bb-d868a-bm - subsys/edit.hlp
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Summary of EDIT commands        10-Feb-76

I    Insert              [<position>,<increment>]
P    Print               [<range>][,S] (,S SUPPRESSES LINE NUMBERS)
.    Move pointer        [<position>]
D    Delete              [<range>,Y (,Y YES FOR MASSIVE DELETIONS)
K    Kill page mark      [/<page number>]
R    Replace             [<range>,<increment>]
E    End (Exit to command level)
 EN  Suppress ".Qxx/.Zxx file creation
 EI  Insert indentifying line before ending
 EJ  Delete first line of file and do an EI command
 EQ  Quit (while you're ahead)
 EU  Unsequence output file
G    Go (Exit and do last LOAD-class command)
 GI  Do an EI command, and then go
 GJ  Do an EJ command, and then go
 GN  Do an EN command, and then go
 GU  Do an EU command, and then go
B    Backup - (same as E but leaves you at EDIT command level)
 BI  Do an EI command, without ending
 BJ  Do an EJ command, without ending
 BN  Do an EN command, without ending
 BU  Do an EU command, without ending
M    Mark                [<position>]
N    Number              [<increment>,<range>,<start>]
 NA  Add <increment> to <range>
 NP  Preserve line numbers over page marks
L    List (on LPT)       [<range>,S] (,S SUPPRESSES LINE NUMBERS)
J    Join                [<position>]
F    Find                [<string>$<range>,<foptions>]
S    Substitute          [<old string>$<new string>$<range>,<soptions>]
C    Copy                [<dest-position>,<range>]
        or               [<dest-position>=<filespec>,<range>]
        or               [<dest-position>=<filespec>,</S]
T    Transfer            [<dest-position>,<range>]
X    Extend              [<range>,S (,S SUPPRESSES TYPEOUT)
H    Help (type this text)
?    Types list of available commands
<LF> Same as P.+1
$    Same as P.+1
@<filespec>     Indirect command file

A    Alter               [<range>]

     ?          Print list of alter commands
   nC<ch>       Change n characters
  -nD           Delete next/last characters
    E           Finish with no printing
  -nF<ch>       Find the nth next/previous occurrence of <ch>
   nI<text>$    Insert with temp increment n
    J           Break line and stick rest at front of next
  -nK<ch>       Delete to n occurrences of <ch>
    L           Print line and recycle
    P           Print line and recycle to current position
    Q           Quit ALTER (restore original line)
  -nR<text>$    nD then oI
    nW          Skip forward n words
    X<text>$    Delete word then oI
  -n<SP>        Space forward/backward n characters
    <CR>        Finish and print rest of line
   n<RUB>       Backspace n characters
   n<BS>        Backspace n characters
   -<HT>        Skin to end/start of line
    ^U          Quit and restart ALTER
EDIT parameters:*

name          set  print  default value        what

  .            n     y       ---          current <position>
  ?            n     y       ---          /? list settable switches
                                          =? list printable switches
BAK            y     y       on           create backup file <.Qxx>
BIG            n     y       ---          largest page #
C64            y     CASE    on           64 character set
C128           y     CASE    off          128 character set
CASE           n     CASE    C64  UPPER   give case information
DECIDE         y     y       off          auto ",D" for "S" command
ERROR          n     y       ---          print last error message
EXPORT         y     n       off          Q.E.D
INCREMENT      y     y       100          default line increment
INSERT         y     n       ---          location of next I<CR>
ISAVE          y     y       0            controls auto-w on inserts
LOCATION       n     y       ---          first line in edit buffer
LOWER          y     CASE    off          default lower case
NAME           y     y       ---          output file spec
NOBAK          y     n       off          no backup file
NODECIDE       y     n       on           no auto ",D"
NONSEPARATORS  y     CASE    on           %,s,. are not alphanumerics
NONUMBER       y     n       off          don't print line numbers
NOVICE         y     n       on           normal mode
NUMBER         y     n       on           print line numbers on
OLD            y     n       off          create backup file (.Zxx)
OPTION         y     n       ---          read "SWITCH.INI" file
PLINES         y     y       16           used by "P<CR>
R              Same as RONLY
RONLY          y     n       off          read-only file
READONLY       Same as RONLY
RUN            y     y       LOAD-class   set run spec
SAVE           y     y       0            controls auto-w on commands
SEPARATORS     y     n       off          treat %,$,. as alphanumeric
START          y     y       100          starting sequence #
STEP           y     y       100          default line increment
STRING         n     y       ---          current F & S strings
UNSEQUENCE     y     n       off          unsequence output file
UPPER          y     CASE    on           default upper case
WINDOW         y     y       10           size of edit file window

   * All settable parameters may be specified as switches in the initial command
EDIT special characters:

Replacement:    ^B  '"    next match string
                ^O  '*    '*<number>'* is nth match string
                ^^  '7    quote next character

Match:          ^E  '%    not
                ^N  ')    arbitrary number of
                ^T  '/    any character
                ^^  '7    quote next character
                 ^  ':    separator

Positions:      .    present line or page
                ^    first line or page
                *    last line or page

EDIT definitions and meanings:

<range>    ::= <pos>[!<number> or

<pos>      ::= [<line>][/<page>]

<line>     ::= [<number> or
                 <content> or
                 . or * or ^][(+-)<number>]

<page>     ::= [<number> or
                 . or * or ^][(+-)<number>]

<content>  ::= $<string>$<range>,<foptions>

<number>   ::= any positive integer .LE. 2^35-1


     ,D    Decide on each substitution (S command)
     ,E    Match upper/lower case characters Exactly (F and S commands)
     ,S    Do not print contents of line (X command)
     ,A    Enter ALTER mode (F command)
     ,N    Do not print line number (F AND S COMMANDS)

Special functions of the "I" commmand:

I<CR>        default is set to end of last:
                Replace, except at end of page
                Insert, except wrap around or out of space

I/<page>     does insert page mark at end of <page> followed by Istart,
             where start is the value of the START switch (Originally, 
             the START switch is set at 100).

I<pos>!n     allows insertion of n lines; calculates increment from
             table of aesthetic values.

I^           inserts a line at the top of the page, halfway between line
             0 and the first line.
EDIT Command Format:

@CREATE (FILE) /switches input.typ.gen
@EDIT (FILE) /switches input.type.gen (OUTPUT AS) output.type.gen

CREATES requires that input.typ.gen is a new file; EDIT works regardless of
whether the file exists or not.
/switches is a list of settable switches which may be
recognized. If an illegal switch is encountered, the
entire command is ignored.

input.typ.gen, and output.typ.gen are TOPS20 file
specifications; recognition is available. Output.typ.gen
defaults to input.typ.-1 if it is not explicitly typed.

[End of EDIT.HLP]