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  1. #!/bin/bash
  2.  
  3. filename="abc, def hij.xyz"
  4.  
  5. sed -E 'h;s/,? +/_/g;H;g;s/(.*)\n(.*)/mv "\1" "\2"/' <<<"$filename"
Success #stdin #stdout 0.01s 5296KB
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Standard input is empty
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mv "abc, def hij.xyz" "abc_def_hij.xyz"
https://ideone.com/WdC7My
language:
Bash (bash 5.0.3)
created:
3 years ago
visibility:
secret

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