81 lines
1.9 KiB
OpenEdge ABL
81 lines
1.9 KiB
OpenEdge ABL
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(* reseq.p *)
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(* ******* *)
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(* A program to renumber a text file. To use this utility type :
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reseq <file1 >file2 start step
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to create file2 as a renumbered version of file1, starting
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with line number start, with increments of step.
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NOTE : file1 and file2 had better be different !!! *)
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(* Version 1.1 written Friday 31 July 1987 by Jon Abbott. *)
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program reseq(input,output);
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type buf = packed array [1..10] of char;
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string = ^ buf;
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var c : char;
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start,step,i : integer;
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numbered : boolean;
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function argc: integer; extern;
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function argv(i: integer): string; extern;
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procedure number;
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begin
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if i<10 then write('0000',i:1)
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else if i<100 then write('000',i:2)
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else if i<1000 then write('00',i:3)
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else if i<10000 then write('0',i:4)
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else write(i:5);
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if not numbered then write(' ');
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if not eoln then write(c);
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while not eoln do
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begin
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read(c);
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write(c)
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end;
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readln;
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writeln;
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i:=i+step
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end;
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function getarg(n:integer) : integer;
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var s : string;
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i,g :integer;
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begin
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s := argv(n);
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i:=1;
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while (not (s^[i] in ['0'..'9'])) and (i<10) do i:=i+1;
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g := 0;
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if not (s^[i] in ['0'..'9']) then g := 100
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else
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while (i<11) and (s^[i] in ['0'..'9']) do begin
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g := g*10+ord(s^[i])-ord('0');
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i := i+1
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end;
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getarg := g
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end;
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begin
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start := 100;
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step := 10;
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if argc>1 then start := getarg(1);
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if argc>2 then step := getarg(2);
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if argc>3 then
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writeln('Syntax : reseq <file1 >file2 start step : subsequent args ignored');
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read(c);
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numbered := (c in ['0'..'9']);
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i := start;
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while not eof do
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begin
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if numbered then
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while c in ['0'..'9'] do
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read(c);
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number;
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if not eof then
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if not eoln then read(c)
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end
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end.
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