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vol079
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setkey.pli
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Text File
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1984-04-29
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940b
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52 lines
setkey:
proc;
/* read key file */
%include 'attrib.dcl';
%include 'key.dcl';
dcl
key file,
key_v char(max_chr),
rec_no fixed;
setfmt:
format(skip,column(12),a,skip,a);
on error(7)
begin;
/* free space exhausted */
put edit('Not Enough Memory for Keys','')
(r(setfmt));
stop;
end;
on undefinedfile(key)
begin;
put edit('(No Key File)','')
(r(setfmt));
go to end_set;
end;
on endfile(key)
go to end_read;
key_hdr = null();
open file(key) stream;
do rec_no = 0 by 1;
get file(key) edit(key_v) (a);
allocate key_elt set(key_adr);
key_val = key_v;
key_loc = rec_no;
key_lst = key_hdr;
key_hdr = key_adr;
end;
end_read:
close file(key);
put skip list('List of Keys:');
do key_adr = key_hdr repeat(key_lst)
while(key_adr ^= null());
put edit(key_val,key_loc)
(column(4),a(max_chr),f(6));
end;
end_set:
end setkey;