Couple of typos and an addition (-F,) :
{ cat <<eof
2012-10-01,14:00,90.7999
2012-10-01,15:00,90.8121
2012-10-01,16:00,90.8121
2012-10-01,16:00,90.8121
2012-10-01,18:00,90.8091
2012-10-01,19:00,90.8030
eof
} | awk -F, '
$2 != "16:00" { print ; next }
flag == 0 && $2 == "16:00" { print ; flag=1 ; next }
flag == 1 && $2 == "16:00" { $2="17:00"; print; flag=0 ; next }
'
Regards,
- Robert
On Tue, Jun 19, 2018 at 3:04 PM, Rich Shepard <[email protected]> wrote:
> On Tue, 19 Jun 2018, Robert Citek wrote:
>
>> A quick pass. Needs testing and refactoring.
>>
>> $2 != "16.00" { print ; next }
>> flag == 0 && $2 == "16:00" { print ; flag=1 ; next }
>> flag == 1 && $2 == "16:00" { $2=="17:00"; print; flag=0 ; next }
>
>
> Thanks, Robert. I tried variations of this using if and regex for the
> patterns, but they didn't work. Here's my test file (cleverly named
> test.dat):
>
> 2012-10-01,14:00,90.7999
> 2012-10-01,15:00,90.8121
> 2012-10-01,16:00,90.8121
> 2012-10-01,16:00,90.8121
> 2012-10-01,18:00,90.8091
> 2012-10-01,19:00,90.8030
>
> Your script did what mine did, added two more rows with 16:00:
>
> 2012-10-01,14:00,90.7999
> 2012-10-01,15:00,90.8121
> 2012-10-01,16:00,90.8121
> 2012-10-01,16:00,90.8121
> 2012-10-01,16:00,90.8121
> 2012-10-01,16:00,90.8121
> 2012-10-01,18:00,90.8091
> 2012-10-01,19:00,90.8030
>
> Wrapping the patterns in parentheses and forward slashes makes no
> difference. I'm sure the correct script will appear to be obvious once I
> learn how to do this.
>
> Best regards,
>
>
> Rich
>
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