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  1. #!/bin/bash
  2.  
  3. s='aaaaa,bbbbb,"ccc,ccc","ddd,ddd,ddd",eee'
  4.  
  5. perl -pe 's{"[^"]+"}{$&=~s/,/_/gr}ge' <<< "$s"
  6.  
  7. sed 's/"[^"]*"/\n&/g;:a;s/\(\n"[^"]*\),/\1_/g;ta;s/\n//g' <<< "$s"
Success #stdin #stdout 0s 4944KB
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Standard input is empty
stdout
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aaaaa,bbbbb,"ccc_ccc","ddd_ddd_ddd",eee
aaaaa,bbbbb,"ccc_ccc","ddd_ddd_ddd",eee
https://ideone.com/clBnTK
language:
Bash (bash 5.0.3)
created:
4 years ago
visibility:
secret

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