Bill Venables responded and got me what i wanted with this:
[EMAIL PROTECTED] wrote:
>> cv <- scan(
>>
> textConnection("CW-W730 CW-W720 CW-W710 CW-W700 CW-W690 CW-W680
> CW-W670 CW-W660 CE-W997 CE-W987 CE-W977 CE-W967
> CE-W956 CE-W944 CE-W934 CE-W924 7W-W760
> 7W-W750
> 7W-96 7W-941 7W-932 7W-923 7W-914
> 7W-905
> 7E-W565 7E-W555 7E-W545 7E-W535 7E-W525
> 7E-906
> 7E-850 7E-840"), what = "")
> Read 32 items
>
>> cv
>>
> [1] "CW-W730" "CW-W720" "CW-W710" "CW-W700" "CW-W690"
> [6] "CW-W680" "CW-W670" "CW-W660" "CE-W997" "CE-W987"
> [11] "CE-W977" "CE-W967" "CE-W956" "CE-W944" "CE-W934"
> [16] "CE-W924" "7W-W760" "7W-W750" "7W-96" "7W-941"
> [21] "7W-932" "7W-923" "7W-914" "7W-905" "7E-W565"
> [26] "7E-W555" "7E-W545" "7E-W535" "7E-W525" "7E-906"
> [31] "7E-850" "7E-840"
>
>> split(cv, substring(cv, 0, 2))
>>
> $`7E`
> [1] "7E-W565" "7E-W555" "7E-W545" "7E-W535" "7E-W525" "7E-906"
> [7] "7E-850" "7E-840"
>
> $`7W`
> [1] "7W-W760" "7W-W750" "7W-96" "7W-941" "7W-932" "7W-923"
> [7] "7W-914" "7W-905"
>
> $CE
> [1] "CE-W997" "CE-W987" "CE-W977" "CE-W967" "CE-W956" "CE-W944"
> [7] "CE-W934" "CE-W924"
>
> $CW
> [1] "CW-W730" "CW-W720" "CW-W710" "CW-W700" "CW-W690" "CW-W680"
> [7] "CW-W670" "CW-W660"
john.polo wrote:
hello all,
i want to split a list into smaller lists. the list looks like this:
CW-W730 CW-W720 CW-W710 CW-W700 CW-W690 CW-W680 CW-W670 CW-W660
CE-W997 CE-W987 CE-W977 CE-W967 CE-W956 CE-W944 CE-W934 CE-W924
7W-W760 7W-W750 7W-96 7W-941 7W-932 7W-923 7W-914 7W-905
7E-W565 7E-W555 7E-W545 7E-W535 7E-W525 7E-906 7E-850 7E-840 ...
i want the smaller lists to be based on the first two characters, like
CW or 7E. i tried split() where the f variable =
c("1E-*","1W-*","2E-*","2W-*","5E-*","5W-*","7E-*","7W-*","CE-*","CW-*"),
but * doesn't work as a wildcard as i had hoped. can someone tell me
the appropriate wildcard character/symbol to use, please?
john
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