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NASCAR9
Intermediate
Joined: 08 Oct 2004
Posts: 274
Topics: 52
Location: California
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 Posted: Thu May 21, 2009 11:33 am Post subject: Split a String into 2 seperate strings |
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I have searched and tested without any luck 
I need to split a string into two strings. The string is fixed but the data in the string is not. I need to break the string at no more than the first 14 characters
( ' ' or SPACE is where the break should occur) , with the rest on a separate line.
Please see examples below.
| Code: |
INPUT
The house has a red roof.
The house in the field has a green roof.
That house has white trim with a red door.
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| Code: |
Output should look like this:
The house has
a red roof.
The house in
the field has a green roof.
That house
has white trim with a red door.
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Thanks,
NASCAR9 |
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kolusu
Site Admin
Joined: 26 Nov 2002
Posts: 12394
Topics: 75
Location: San Jose
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| Posted: Thu May 21, 2009 12:45 pm Post subject: |
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Nasacar9,
Unless I am gravely mistaken isnt it simple task of checking the 14th byte for a space and if it is a space just move it or scan for a space from pos 14 back wards in the input? you can add error checking to it if you don't find a space in the first 14 bytes.
untested code
| Code: |
01 INP-STR PIC X(nn).
01 OUT-STR1 PIC X(14).
01 OUT-STR2 PIC X(nn-14).
01 WS-SUB PIC S9(04) COMP.
01 S-SPACE-FOUND PIC X VALUE 'N'.
IF INP-STR(14: 1) = ' '
MOVE +14 TO WS-SUB
PERFORM 1000-MOVE-TO-OUTPUT
ELSE
MOVE 'N' TO S-SPACE-FOUND
PERFORM VARYING WS-SUB FROM 14 BY -1
UNTIL WS-SUB = 1 OR S-SPACE-FOUND = 'Y'
IF INP-STR(WS-SUB : 1) = ' '
PERFORM 1000-MOVE-TO-OUTPUT
MOVE 'Y' TO S-SPACE-FOUND
END-IF
END-PERFORM
END-IF
1000-MOVE-TO-OUTPUT.
MOVE INP-STR(0001: WS-SUB) TO OUT-STR1
MOVE INP-STR(WS-SUB + 1 :) TO OUT-STR2
DISPLAY 'OUT-STR1 : ' OUT-STR1
DISPLAY 'OUT-STR2 : ' OUT-STR2
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PS: I granted you edit authority to edit your OWN posts
Kolusu |
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NASCAR9
Intermediate
Joined: 08 Oct 2004
Posts: 274
Topics: 52
Location: California
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| Posted: Thu May 21, 2009 2:01 pm Post subject: |
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Thanks Kolusu!
I have been testing with STRING and UNSTRING. I was hoping I could get a REVERSE STRING/UNSTRING to get my results. The string I need to break is 200 characters, I used 14 as an example. The logic works the same regardless. I have an UNSTRING FUNCTION REVERSE I
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NASCAR9 |
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kolusu
Site Admin
Joined: 26 Nov 2002
Posts: 12394
Topics: 75
Location: San Jose
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| Posted: Thu May 21, 2009 2:59 pm Post subject: |
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NASCAR9,
on second thoughts I think it can be simplified. Here is another untested code.
| Code: |
IF INP-STR(19:1) = ' '
MOVE +19 TO WS-SUB
ELSE
INSPECT FUNCTION REVERSE(INP-STR(1:19))
TALLYING WS-TALLY FOR CHARACTERS BEFORE ' '
COMPUTE WS-SUB = 19 - WS-TALLY
END-IF
MOVE INP-STR(0001: WS-SUB) TO OUT-STR1
MOVE INP-STR(WS-SUB + 1 :) TO OUT-STR2
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btw what happens if you don't find a space in the first 19 bytes? will the string1 be empty?
Kolusu |
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NASCAR9
Intermediate
Joined: 08 Oct 2004
Posts: 274
Topics: 52
Location: California
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| Posted: Thu May 21, 2009 3:15 pm Post subject: |
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Thanks Kolusu,
I will test your new logic
The string is 200 characters, it needs to be split around 125, the data is medical procedure descriptions, so I'm positive I will find a blank.
Thanks again!
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NASCAR9 |
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NASCAR9
Intermediate
Joined: 08 Oct 2004
Posts: 274
Topics: 52
Location: California
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| Posted: Thu May 21, 2009 4:02 pm Post subject: |
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Kolusu,
I like your last post. It gives the correct results and it's easy to understand.
Here are the results:
| Code: |
WK-STRING = This is a test;This is part2 of the test
IF WK-STRING(19:01) = ' '
MOVE +19 TO WS-SUB
ELSE
INSPECT FUNCTION REVERSE(WK-STRING(1:19))
TALLYING WS-TALLY FOR CHARACTERS BEFORE ' '
COMPUTE WS-SUB = 19 - WS-TALLY
END-IF
MOVE WK-STRING(0001: WS-SUB) TO OUT-STR1.
MOVE WK-STRING(WS-SUB + 1 :) TO OUT-STR2.
WS-SUB = 010
WS-TALLY = 009
OUT-STR1 = This is a
OUT-STR2 = test;This is part2 of the test
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| Code: |
IF WK-STRING(20:01) = ' '
MOVE +20 TO WS-SUB
ELSE
INSPECT FUNCTION REVERSE(WK-STRING(1:20))
TALLYING WS-TALLY FOR CHARACTERS BEFORE ' '
COMPUTE WS-SUB = 20 - WS-TALLY
END-IF
MOVE WK-STRING(0001: WS-SUB) TO OUT-STR1.
MOVE WK-STRING(WS-SUB + 1 :) TO OUT-STR2.
WS-SUB = 020
WS-TALLY = 000
OUT-STR1 = This is a test;This
OUT-STR2 = is part2 of the test
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NASCAR9 |
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