HP 3000 Manuals HP 3000 Manuals
RWINFO
The RWINFO function is a Report Writer function that returns various
pieces of information that may be useful in controlling the Report
Writer. Table 5-8 shows the values returned. If there is no active
report, -1 is returned.
Table 5-8. RWINFO Return Values
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| |
| Input Value Description |
| |
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| |
| 1 Page Size. Zero indicates an infinite page size. |
| |
| 2 Effective Page Size. Defined as page_size - # blank lines at top - # |
| blank lines at bottom - size of PAGE HEADER - size of PAGE TRAILER. |
| |
| 3 NUMLINE value. |
| |
| 4 Lines left on current page. Includes the page trailer and blank |
| lines at the bottom. Includes the page header if used in the PAGE |
| HEADER section. Returns zero for an infinite size page. |
| |
| 5 Lines left on effective page. Equal to effective page size minus |
| NUMLINE. Returns zero for an infinite size page. |
| |
| 6 Returns 1 if last page break was caused by DETAIL LINE statement. |
| Returns 0 if any other statement causes a page break. |
| |
| 7 PAGENUM value. |
| |
| 8 Number of pages left to suppress. |
| |
| 9 Number of logical pages produced. This number is not affected by |
| PAGENUM, and increments even when output is suppressed. |
| |
| 10 LASTBREAK value. |
| |
| 11 LEFT MARGIN column. Reflects the value given in the LEFT MARGIN |
| statement, even if the left margin is not used. |
| |
| 12 Current summary level. Set during all HEADER and TRAILER sections, |
| and during BREAK statement evaluation. Returns zero when not in a |
| break condition. |
| |
| 13 PAGE HEADER size. |
| |
| 14 PAGE TRAILER size. |
| |
| 15 Returns 1 if DETAIL LINE causes a break. Otherwise, zero is |
| returned. |
| |
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Syntax
RWINFO(input_value)
Parameters
input_value A number specifying the information that RWINFO is to
return. See Table 5-8 above for specific values.
Examples
110 In_value = 7
120 RWvalue= RWINFO(In_value) !RWvalue receives the PAGENUM value.