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  1. awk '!/^[-=]/ && NR!=1{str=str","$1}END{print substr(str,2)}'
Success #stdin #stdout 0.03s 5264KB
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stdin
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ID Value
========
1  10
--------
2  20
--------
3  14
--------
stdout
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1,2,3
https://ideone.com/0nDIfO
language:
Bash (bash 5.0.3)
created:
12 years ago
visibility:
secret

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