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  1. declare -A seen_labels=( )
  2. while IFS= read -r str && IFS= read -r label; do
  3.   [[ ${seen_labels[$label]} ]] && continue
  4.   seen_labels[$label]=1
  5.   printf '%s\n' "$str"
  6. done
  7.  
Success #stdin #stdout 0s 19632KB
comments ()
stdin
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This text is unique
TEXT A    
This is also unique
TEXT A    
Completely unique text here
TEXT B    
Some more unique text
TEXT C
stdout
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This text is unique
Completely unique text here
Some more unique text
https://ideone.com/zubTWi
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
public

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