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The following program sorts the personnel files shown below. They
are sorted by last name. The program marks the employee numbers for
the temporary employees with an asterisk. The files that are used in the following example are
as follows (data descriptions and
character positions are indicated for convenience only): - TEMPEMP
Information file about temporary employees:
Last Name First Name Employee Number Hire Date
Gangley, Tomas 000003 06/06/87
Rields, Evelyn 000007 07/12/87
Everett, Joyce 000029 10/19/87
0 1 2 3 4 5 6 7
1234567890123456789012345678901234567890123456789012345678901234567890
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- PERMEMP
Information file about permanent employees:
Last Name First Name Employee Number Hire Date
Jones, Eliza 000001 06/06/87
Smith, James 000005 06/06/87
Jackson, Johnathon 000006 06/06/87
Washington, Lois 000014 07/23/87
Jackson, Rosa 000022 08/15/87
0 1 2 3 4 5 6 7
1234567890123456789012345678901234567890123456789012345678901234567890
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Example D-3 SORTREC_INPUT Program
$standard_level system
program SORTREC_INPUT
C
C This program reads the files TEMPEMP and PERMEMP, alters the TEMPEMP
C records, passes all records to SORT/XL, and outputs to the file ALLEMP.
C
integer TEMPFILENUM
2 ,PERMFILENUM
3 ,OUTFILENUM
4 ,STATUS
C
common /PARMS/ TEMPFILENUM, PERMFILENUM
2 ,OUTFILENUM, STATUS
C
call OPEN_FILES
call DO_SORT
call CLOSE_FILES
stop
end
C
subroutine OPEN_FILES
C
system intrinsic HPFOPEN
2 ,QUIT
C
integer DESIGNATOR
2 ,DOMAIN
3 ,ACCESS
4 ,RECORD_SIZE
5 ,PERMANENT
6 ,NEW
7 ,WRITE
8 ,SIZE
9 ,TEMPFILENUM
A ,PERMFILENUM
B ,OUTFILENUM
C ,STATUS
C
character TEMPFILE*10
2 ,PERMFILE*10
3 ,OUTFILE*10
C
common /PARMS/ TEMPFILENUM, PERMFILENUM
2 ,OUTFILENUM, STATUS
C
DESIGNATOR = 2
DOMAIN = 3
ACCESS = 11
RECORD_SIZE = 19
C
TEMPFILE = '%TEMPEMP%'
PERMANENT = 1
call HPFOPEN (TEMPFILENUM, STATUS, DESIGNATOR,
2 ,TEMPFILE, DOMAIN, PERMANENT)
if (STATUS .ne. 0) then
print *, 'HPFOPEN error on TEMPFILE. Terminating.'
endif
C
PERMFILE = '%PERMEMP%'
call HPFOPEN (PERMFILENUM, STATUS, DESIGNATOR,
2 ,PERMFILE, DOMAIN, PERMANENT)
if (STATUS .ne. 0) then
print *, 'HPFOPEN error on PERMEMP. Terminating.'
call QUIT (2)
endif
C
NEW = 4
WRITE = 1
SIZE = 80
OUTFILE = '%ALLEMP%'
call HPFOPEN (OUTFILENUM, STATUS, DESIGNATOR,
2 ,OUTFILE, DOMAIN, NEW, ACCESS, WRITE,
3 ,RECORD_SIZE, SIZE)
if (STATUS .ne. 0) then
print *, 'HPFOPEN error on ALLEMP. Terminating.'
call QUIT (3)
endif
C
return
end
C
subroutine DO_SORT
C
system intrinsic HPSORTINIT
2 ,HPSORTERRORMESS
3 ,HPSORTEND
4 ,HPSORTINPUT
5 ,FREAD
6 ,QUIT
C
integer OUTPUT_OPTION
2 ,NUMKEYS
3 ,LENGTH
4 ,OUTPUTFILE(2)
5 ,KEYS(4)
6 ,TEMPFILENUM
7 ,PERMFILENUM
8 ,OUTFILENUM
9 ,STATUS
A ,RECLENGTH
C
integer*2 LNGTH
C
logical EOF
C
character ALTSEQ*2
2 ,MESSAGE*80
3 ,BUFFER*80
C
common /PARMS/ TEMPFILENUM, PERMFILENUM
2 ,OUTFILENUM, STATUS
C
OUTPUTFILE(1) = OUTFILENUM
OUTPUTFILE(2) = 0
OUTPUT_OPTION = 0
RECLENGTH = 80
NUMKEYS = 1
KEYS(1) = 1
KEYS(2) = 20
KEYS(3) = 0
KEYS(4) = 0
ALTSEQ(1:1) = CHAR(255)
ALTSEQ(2:2) = CHAR(255)
call HPSORTINIT (STATUS,, OUTPUTFILE, OUTPUT_OPTION
2 ,RECLENGTH,, NUMKEYS, KEYS, ALTSEQ)
if (STATUS .ne. 0) then
MESSAGE = ' '
call HPSORTERRORMESS (STATUS, MESSAGE, LENGTH)
print *,MESSAGE
endif
LENGTH = 72
EOF = .false.
C Read TEMPEMP file. Start with a priming read. If EOF is not found on
C the priming read, call HPSORTINPUT to put the record into the sort, then
C read and input until EOF is found.
LNGTH = FREAD (TEMPFILENUM, BUFFER, LENGTH)
if (ccode()) 10,30,20
10 print *, 'FREAD error on TEMPFILE'
call QUIT (10)
20 EOF = .true.
30 continue
do while ( .not. EOF)
BUFFER(40:40) = '*'
call HPSORTINPUT (STATUS, BUFFER, LENGTH)
if (STATUS .ne. 0) then
MESSAGE = ' '
call HPSORTERRORMESS (STATUS, MESSAGE, LENGTH)
print *, MESSAGE
endif
C Read the next record. CCG indicates EOF has been found.
LNGTH = FREAD (TEMPFILENUM, BUFFER, LENGTH)
if (ccode()) 40,60,50
40 print *, 'FREAD error on TEMPFILE'
call QUIT (40)
50 EOF = .true.
60 continue
end do
C Now read PERMEMP, as explained above.
EOF = .false.
LNGTH = FREAD (PERMFILENUM, BUFFER, LENGTH)
if (ccode()) 70,90,80
70 print *, 'FREAD error on PERMEMP.'
call QUIT (70)
80 EOF = .true.
90 continue
do while (.not. EOF)
call HPSORTINPUT (STATUS, BUFFER, LENGTH)
if (STATUS .ne. 0) then
MESSAGE = ' '
call HPSORTERRORMESS (STATUS, MESSAGE, LENGTH)
print *, MESSAGE
endif
LNGTH = FREAD (PERMFILENUM, BUFFER, LENGTH)
if (ccode()) 100,120,110
100 print *, 'FREAD error on PERMEMP'
call QUIT (100)
110 EOF = .true.
120 continue
end do
call HPSORTEND (STATUS)
if (STATUS .ne. 0) then
MESSAGE = ' '
call HPSORTERRORMESS (STATUS, MESSAGE, LENGTH)
print *,MESSAGE
endif
return
end
C
subroutine CLOSE_FILES
C
system intrinsic FCLOSE
C
integer*2 DISPOSITION
2 ,SECURITYCODE
C
integer TEMPFILENUM
2 ,PERMFILENUM
3 ,OUTFILENUM
4 ,STATUS
C
common /PARMS/ TEMPFILENUM, PERMFILENUM
2 ,OUTFILENUM, STATUS
C
DISPOSITION = 0
SECURITYCODE = 0
C
call FCLOSE (TEMPFILENUM, DISPOSITION, SECURITYCODE)
call FCLOSE (PERMFILENUM, DISPOSITION, SECURITYCODE)
DISPOSITION = 1
call FCLOSE (OUTFILENUM, DISPOSITION, SECURITYCODE)
return
end
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When this program is executed, the output is written to ALLEMP.
To view ALLEMP:
:print allemp
Everett, Joyce *000029 10/19/87
Gangley, Tomas *000003 06/06/87
Jackson, Jonathan 000006 06/06/87
Jackson, Rosa 000022 08/15/87
Jones, Eliza 000001 06/06/87
Rields, Evelyn *000007 07/12/87
Smith, James 000005 06/06/87
Washington, Lois 000014 07/23/87
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