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  1. #!/bin/bash
  2.  
  3. awk '{if (/^[^[:blank:]]/) {k=$1; keys[++i]=k} else arr[k] = arr[k] $0 RS} 
  4. END{n=asort(keys); for (i=1; i<=n; i++) printf "%s\n%s", keys[i], arr[keys[i]]}'
Success #stdin #stdout 0s 4332KB
comments (?)
stdin
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sharpest
  tool
  in
the
  shed
im
  not
  the
stdout
copy 
im
  not
  the
sharpest
  tool
  in
the
  shed
https://ideone.com/DQKHIO
language:
Bash (bash 5.0.3)
created:
6 years ago
visibility:
secret

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