data_transformation
Table of Contents
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Data transformation
| Command | EXplanation | Remarks |
|---|---|---|
| cat file.txt | xargs -n 4 echo | Concatenate every 4 lines on one line | |
for i in `cat dates.txt`; do \ month=`echo $i | cut -d "/" -f 1`; \ day=`echo $i | cut -d "/" -f 2`; \ year=`echo $i | cut -d "/" -f 3`; \ echo "$day-$month-$year" >> dates2.txt; \ done | dates.txt has on each line a date in the format month/day/year |
HTML to text
- html2text - an advanced HTML-to-text converter
cat index.html | w3m -dump -T text/html > index.txt
Display data
Graphs
trend . Best is to use a FIFO
This example does not use a FIFO
(while true; do ps -A | wc -l; sleep 1; done) | trend - 60x24
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data_transformation.txt · Last modified: 12-07-2021 12:07 by wim