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Awk or Gawk to do data matching and merging


Awk or Gawk to do data matching and merging

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Awk or Gawk to do data matching and merging
Tag : awk , By : Reiner
Date : November 25 2020, 01:01 AM


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gawk command in matching data


Tag : unix , By : Munir
Date : March 29 2020, 07:55 AM
wish of those help The original logfile sample: , this command will do what you want:
awk '{split($0,a,"viewport=");split(a[2],b,",");print b[5],b[6]}' filename
981 10
gawk 'match($0, /&viewport=[0-9]+,[0-9]+,([0-9]+),([0-9]+),([0-9]+),([0-9]+),([0-9]+)/, m){print m[3], m[4]}' filename

Regular expression gawk matching


Tag : regex , By : christiandsg
Date : March 29 2020, 07:55 AM
Does that help $1 only contains the ALLOWED_HOSTS token, not the rest of the line. You want to compare against $0 -- which is implied anyway if you don't supply a specific value to compare against, so your entire script is equivalent to
gawk '/ALLOWED_HOSTS/' file_name

Finding matching lines with gawk and regexp


Tag : awk , By : James Cary
Date : March 29 2020, 07:55 AM
Hope this helps I have a a file that contains lines like these: , you can simplify little bit
$ awk -F'[(,)]' '{gsub(/[-+]/,""); print $2,$3}' file

0.010605625808 0.187753006816
0.090206444263 0.071405023336
0.090206436813 0.071404993534
0.069306485355 0.012268572114
0.010605554096 0.187753051519
0.104045681655 0.102472946048

No output from ''tail -f | gawk | tee''; either ''tail -f | gawk'' or ''gawk | tee'' works fine


Tag : bash , By : Steve
Date : March 29 2020, 07:55 AM
it helps some times Call fflush() from your awk program to force output to be immediately written, even when not to a TTY.
That is to say -- after your print command, add an extra command fflush().

matching regex in awk/gawk


Tag : regex , By : Wilfred Knigge
Date : March 29 2020, 07:55 AM
I hope this helps . you add to many ? and I think you need to use [0-9] Also when you start with ^[^0-9] only non-numeric characters are "eaten away". so in summary I think you want:
gawk 'BEGIN{test="3.59 ± 0.04";match(test, /^[^0-9.]*([0-9]+\.[0-9]+)\s*±\s*([0-9]+\.[0-9]+)$/, arr);print arr[1];}
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