Find original item id with multiple links
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I have a sheet with a large amount of item ID's in column A and in column B I have a new replacement item ID. The replacement ID can also have a replacement ID, this could be repeated up to ~20 times.
What I would like to do is in column C find the original item ID.
I have previously been able to solve it with multiple vlookup but as the file grows its getting messy and hard to manage.
microsoft-excel
edited Feb 5 at 11:59
Ahmed Ashour
1,4022716
asked Feb 5 at 8:52
BengtBengt
82
add a comment |
I have a sheet with a large amount of item ID's in column A and in column B I have a new replacement item ID. The replacement ID can also have a replacement ID, this could be repeated up to ~20 times.
What I would like to do is in column C find the original item ID.
I have previously been able to solve it with multiple vlookup but as the file grows its getting messy and hard to manage.
microsoft-excel
edited Feb 5 at 11:59
Ahmed Ashour
1,4022716
asked Feb 5 at 8:52
BengtBengt
82
Does column A and column B (separately) have no duplicates?
– Akina
Feb 5 at 10:30
add a comment |
I have a sheet with a large amount of item ID's in column A and in column B I have a new replacement item ID. The replacement ID can also have a replacement ID, this could be repeated up to ~20 times.
What I would like to do is in column C find the original item ID.
I have previously been able to solve it with multiple vlookup but as the file grows its getting messy and hard to manage.
microsoft-excel
edited Feb 5 at 11:59
Ahmed Ashour
1,4022716
asked Feb 5 at 8:52
BengtBengt
82
I have a sheet with a large amount of item ID's in column A and in column B I have a new replacement item ID. The replacement ID can also have a replacement ID, this could be repeated up to ~20 times.
What I would like to do is in column C find the original item ID.
I have previously been able to solve it with multiple vlookup but as the file grows its getting messy and hard to manage.
microsoft-excel
microsoft-excel
edited Feb 5 at 11:59
Ahmed Ashour
1,4022716
asked Feb 5 at 8:52
BengtBengt
82
edited Feb 5 at 11:59
Ahmed Ashour
1,4022716
asked Feb 5 at 8:52
BengtBengt
82
edited Feb 5 at 11:59
Ahmed Ashour
1,4022716
edited Feb 5 at 11:59
Ahmed Ashour
1,4022716
edited Feb 5 at 11:59
Ahmed Ashour
1,4022716
1,4022716
asked Feb 5 at 8:52
BengtBengt
82
asked Feb 5 at 8:52
BengtBengt
82
asked Feb 5 at 8:52
BengtBengt
82
82
Does column A and column B (separately) have no duplicates?
– Akina
Feb 5 at 10:30
add a comment |
Does column A and column B (separately) have no duplicates?
– Akina
Feb 5 at 10:30
Does column A and column B (separately) have no duplicates?
– Akina
Feb 5 at 10:30
Does column A and column B (separately) have no duplicates?
– Akina
Feb 5 at 10:30
add a comment |
1 Answer
1
active
oldest
votes
Here is one formula you can use:
=IF(COUNTIF($B$1:B1,A2)=0,A2,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))
How it works:
=IF(COUNTIF($B$1:B1,A2)=0,A2- checks whether actual ID is a replacement (occurs in column B above current line), if not a replacement, than use ID as original ID
=,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))- for replacement it looks for the original ID of the original item
I used a few assumptions:
- each ID is replaced at most once (when you replace again, you replace the new ID)
- each replacement is listed below the row containing its original ID
answered Feb 5 at 12:13
Máté JuhászMáté Juhász
14.8k63552
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Here is one formula you can use:
=IF(COUNTIF($B$1:B1,A2)=0,A2,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))
How it works:
=IF(COUNTIF($B$1:B1,A2)=0,A2- checks whether actual ID is a replacement (occurs in column B above current line), if not a replacement, than use ID as original ID
=,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))- for replacement it looks for the original ID of the original item
I used a few assumptions:
- each ID is replaced at most once (when you replace again, you replace the new ID)
- each replacement is listed below the row containing its original ID
answered Feb 5 at 12:13
Máté JuhászMáté Juhász
14.8k63552
add a comment |
Here is one formula you can use:
=IF(COUNTIF($B$1:B1,A2)=0,A2,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))
How it works:
=IF(COUNTIF($B$1:B1,A2)=0,A2- checks whether actual ID is a replacement (occurs in column B above current line), if not a replacement, than use ID as original ID
=,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))- for replacement it looks for the original ID of the original item
I used a few assumptions:
- each ID is replaced at most once (when you replace again, you replace the new ID)
- each replacement is listed below the row containing its original ID
answered Feb 5 at 12:13
Máté JuhászMáté Juhász
14.8k63552
add a comment |
Here is one formula you can use:
=IF(COUNTIF($B$1:B1,A2)=0,A2,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))
How it works:
=IF(COUNTIF($B$1:B1,A2)=0,A2- checks whether actual ID is a replacement (occurs in column B above current line), if not a replacement, than use ID as original ID
=,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))- for replacement it looks for the original ID of the original item
I used a few assumptions:
- each ID is replaced at most once (when you replace again, you replace the new ID)
- each replacement is listed below the row containing its original ID
answered Feb 5 at 12:13
Máté JuhászMáté Juhász
14.8k63552
Here is one formula you can use:
=IF(COUNTIF($B$1:B1,A2)=0,A2,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))
How it works:
=IF(COUNTIF($B$1:B1,A2)=0,A2- checks whether actual ID is a replacement (occurs in column B above current line), if not a replacement, than use ID as original ID
=,INDEX($C$1:C1,MATCH(A2,$B$1:B1,0)))- for replacement it looks for the original ID of the original item
I used a few assumptions:
- each ID is replaced at most once (when you replace again, you replace the new ID)
- each replacement is listed below the row containing its original ID
answered Feb 5 at 12:13
Máté JuhászMáté Juhász
14.8k63552
answered Feb 5 at 12:13
Máté JuhászMáté Juhász
14.8k63552
answered Feb 5 at 12:13
Máté JuhászMáté Juhász
14.8k63552
answered Feb 5 at 12:13
Máté JuhászMáté Juhász
14.8k63552
14.8k63552
add a comment |
add a comment |
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Does column A and column B (separately) have no duplicates?
– Akina
Feb 5 at 10:30