Control Data Corporation 3300 Reference Manual page 181

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The DETAIL or DE entry indicates a report group produced for each GENERATE
statement in the Procedure Division. Each DETAIL report group must have a
unique data name at the 01 level in a report.
The CONTROL FOOTING or CF entry indicates a report group produced at the
end of a control group for a designated identifier or produced once at the ter-
mination of a report ending a FINAL control group. Only one report group of
this type can appear for each identifier and for the FINAL specified in a report.
To produce any CONTROL FOOTING report groups, a control break must occur.
SOURCE clauses in TYPE CONTROL FOOTING FINAL report groups refer to
the values of the items at the time the TERMINATE statement is executed.
The PAGE FOOTING or PF entry indicates a report group produced at the
bottom of each page. Only one report group of this type can appear in a
report.
The REPORT FOOTING or RF entry indicates a report group produced only
once at the termination of a report. Only one report group of this type can
be used in a report. Nothing may follow a RE PORT FOOTING entry in a
report. SOURCE clauses in REPORT FOOTING report groups refer to the
value of items at the time the TERMINATE statement is executed.
CONTROL HEADING report groups appear with the current values of any
indicated SOURCE data items before the DETAIL report groups of the control
group are produced. CONTROL FOOTING report groups appear with the pre-
vious values of any indicated SOURCE data items just after the DETAIL report
groups of that control group have been produced. These report groups appear
when a control break is noted. LINE NUMBER determines the absolute or
relative position of the CONTROL report groups exclusive of the other HEAD-
ING and FOOTING report groups.
Identifier-n, as well as FINAL, must be one of the identifiers described in
the CONTROL clause of the RD entry. A FINAL control break may be des-
ignated only once for CONTROL HEADING or CONTROL FOOTING entries
within a report.
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