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  1. #!/bin/bash
  2. # First 4 occurrences:
  3. echo 'one two three four five six seven' | \
  4.   sed 's/[^[:space:]]*/\n&/g;:t;/\n/{x;/.\{4\}/!{s/$/./;x;s/\n[^[:space:]]*/TEST/;bt};x};s/\n//g'
  5.  
  6. nl='
  7. '; sed "s/[^[:space:]]*/\\$nl&/g;:t${nl}/\n/{x;/.\{4\}/!{${nl}s/$/./;x;s/\n[^[:space:]]*/TEST/;bt$nl};x$nl};s/\n//g" <<< 'one two three four five six seven'
Success #stdin #stdout 0s 19632KB
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TEST TEST TEST TEST five six seven
TEST TEST TEST TEST five six seven
https://ideone.com/KhmSu4
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
secret

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