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Note that regex is much easier in a text editor than in LO Calc. I do this
kind of thing as normal course of my activity: get the file to look like
the .csv i want with an editor first, then import it into LO Calc. Tab
delimited is the least error prone... (you can make a tab in most editors
with regex with \t )

I use jEdit because it's ability to record the search/replace activity,
then allow you to edit and replay the recorded "macros" on other files
helps me work far far faster. But any text editor with regex functionality
will eventually have to moving faster than LO Calc.

But it's a steep learning curve.

On Sun, Mar 13, 2022 at 9:18 AM Rogier F. van Vlissingen <vliscony@gmail.com>
wrote:


Awesome, thanks!

A bit puzzling... I thought I exactly copied your previous instructions,
but I got the idiot results you saw. Now I downloaded your spreadsheet, and
indeed it came out better in your case, so there must be some subtle
mistake some place. I will have to repeat the process and figure that out.

Thanks so much.

On Sun, Mar 13, 2022 at 10:00 AM Michael D. Setzer II <msetzerii@gmail.com



wrote:


Not clear on how you got that break down with my instructions I get A

thru

AB and here I transposed them to show. PM2.5 is in Column G not two.
Then had formula to convert date and time value. Moved
A
Date
B
20220302
03/02/22
“=DATE(LEFT(AH2,4),MID(AH2,5,2),RIGHT(AH2,2))
C
Time
D
1631
04:31:00 PM
“=TIME(INT(AH4/100),MOD(AH4,100),0)
E
PM1.0
F
0
G
PM2.5
H
0
I
PM10
J
0
K
CO2
L
10
M
HCHO
N
0.001
O
TVOC
P
0
Q

0.3DustNum

R
0
S

0.5DustNum

T
0
U

1.0DustNum

V
0
W

2.5DustNum

X
0
Y

5.0DustNum

Z
0
AA

10DustNum

AB
0
On 13 Mar 2022 at 9:30, Rogier F. van Vlissingen wrote:
From:            "Rogier F. van Vlissingen" <vliscony@gmail.com>
Date sent:       Sun, 13 Mar 2022 09:30:49 -0400
Subject:         Re: [libreoffice-users] Spreadsheet question
To:              "Michael D. Setzer II" <msetzerii@gmail.com>
Copies to:       users@global.libreoffice.org

Funny complication.

One of the variable labels is PM2.5, but in this case that became two
columns, H, and I respectively, like this:

H       I
PM2  5


On Sun, Mar 13, 2022 at 9:27 AM Rogier F. van Vlissingen <

vliscony@gmail.com>

wrote:


Awesome, thanks!

I replicated that, and now I can just name the columns and the delete

the

preceding columns with the variable names and I am in business.

One of these babies is 11775 rows ;-)



On Sun, Mar 13, 2022 at 9:18 AM Michael D. Setzer II <

msetzerii@gmail.com>

wrote:


Loaded the csv file with libreoffice and click on space and
other boxes and entered :.
That brings in columns A thru AB.


On 13 Mar 2022 at 9:05, Rogier F. van Vlissingen wrote:

From:                   "Rogier F. van Vlissingen"
<vliscony@gmail.com>
Date sent:              Sun, 13 Mar 2022 09:05:56 -0400
Subject:                Re: [libreoffice-users] Spreadsheet
question
To:                     David Lynch <dlynch1319ng@gmail.com>
Copies to:              users@global.libreoffice.org


wow... I had never used that function before...


I am not quite there yet, however, but at least this is a path.

Here

is an

example of one of the strings

Date:20220302 Time:1631 PM1.0:000 PM2.5:000 PM10:000 CO2:0010

HCHO:0.001

TVOC:0.000 >0.3DustNum:00000 >0.5DustNum:00000 >1.0DustNum:00000

2.5DustNum:00000 >5.0DustNum:00000 >10DustNum:00000


Using the expression as you wrote it, I get fields, like this:
Date 20220302 Time 1631 PM1.0 000 PM2.5 000 PM10 000 CO2 0010

HCHO

0.001

TVOC 0.000 >0.3DustNum 00000 >0.5DustNum 00000 >1.0DustNum 00000

2.5DustNum 00000 >5.0DustNum 00000 >10DustNum 00000 and then I

could

name the columns and delete the columns with the variable names.

I will have to study that function... thanks.






On Sun, Mar 13, 2022 at 8:41 AM David Lynch <

dlynch1319ng@gmail.com>

wrote:


On 13/03/2022 12:04, Rogier F. van Vlissingen wrote:

Var1: value1 Var2: value2 Var3: value 3 ... Var10: value10


Place the strings in column 1 than put

=REGEX($A1,"(?<=^| |:)[^ ]+?(?=:| |$)",,COLUMN()-1)

in column 2 and drag right for ten columns and down.

David Lynch




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+------------------------------------------------------------+
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