is there a bug in AWK on 6.x and 7.x (fixed in 8.x)?

[Peter C. Lai]

Is this becuase the behavior of "FS=" was changed to match the behavior
of awk -F

On 2010-10-02 09:58:27PM +0200, Miroslav Lachman wrote:
> I think there is a bug in AWK in base of FreeBSD 6.x and 7.x (tested on 
> 6.4 i386 and 7.3 i386)
> 
> I have this simple test case, where I want 2 columns from GeoIP CSV file:
> 
> awk 'FS="," { print $1"-"$2 }' GeoIPCountryWhois.csv
> 
> It should produce output like this:
> 
> # awk 'FS="," { print $1"-"$2 }' GeoIPCountryWhois.csv | head -n 5
> "1.0.0.0"-"1.7.255.255"
> "1.9.0.0"-"1.9.255.255"
> "1.10.10.0"-"1.10.10.255"
> "1.11.0.0"-"1.11.255.255"
> "1.12.0.0"-"1.15.255.255"
> 
> (above is taken from FreeBSD 8.1 i386)
> 
> On FreeBSD 6.4 and 7.3 it results in broken first line:
> 
> awk 'FS="," { print $1"-"$2 }' GeoIPCountryWhois.csv | head -n 5
> "1.0.0.0","1.7.255.255","16777216","17301503","AU","Australia"-
> "1.9.0.0"-"1.9.255.255"
> "1.10.10.0"-"1.10.10.255"
> "1.11.0.0"-"1.11.255.255"
> "1.12.0.0"-"1.15.255.255"
> 
> There are no errors in CSV file, it doesn't metter if I delete the 
> affected first line from the file.
> 
> It is reproducible with handmade file:
> 
> # cat test.csv
> "1.9.0.0","1.9.255.255","17367040","17432575","MY","Malaysia"
> "1.10.10.0","1.10.10.255","17435136","17435391","AU","Australia"
> "1.11.0.0","1.11.255.255","17498112","17563647","KR","Korea, Republic of"
> "1.12.0.0","1.15.255.255","17563648","17825791","CN","China"
> "1.16.0.0","1.19.255.255","17825792","18087935","KR","Korea, Republic of"
> "1.21.0.0","1.21.255.255","18153472","18219007","JP","Japan"
> 
> 
> # awk 'FS="," { print $1"-"$2 }' test.csv
> "1.9.0.0","1.9.255.255","17367040","17432575","MY","Malaysia"-
> "1.10.10.0"-"1.10.10.255"
> "1.11.0.0"-"1.11.255.255"
> "1.12.0.0"-"1.15.255.255"
> "1.16.0.0"-"1.19.255.255"
> "1.21.0.0"-"1.21.255.255"
> 
> 
> As it works in 8.1, can it be fixed in 7-STABLE?
> (I don't know if it was purposely fixed or if it is coincidence of newer 
> version of AWK in 8.x)
> 
> Should I file PR for it?
> 
> Miroslav Lachman
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-- 
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Peter C. Lai                 | Bard College at Simon's Rock
Systems Administrator        | 84 Alford Rd.
Information Technology Svcs. | Gt. Barrington, MA 01230 USA
peter AT simons-rock.edu     | (413) 528-7428
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