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  1. #!/bin/bash
  2.  
  3. # ideone boilerplate: run in temp dir 
  4. t=$(mktemp -d -t ideone.XXXXXXXX) || exit
  5. trap 'rm -rf "$t"' ERR EXIT
  6. cd "$t"
  7.  
  8. yes one | head -n 10 >base
  9. nl base >1_chr_3.txt
  10. sed s/one/two/ base >2_chr_3.txt
  11. sed s/one/three/ base >3_chr_3.txt
  12. sed s/one/four/ base >4_chr_3.txt
  13.  
  14. ppaste () {
  15.     case $# in
  16.      1|2) paste -d ' ' "$@";;
  17.      *) local first=$1
  18.         shift
  19.         paste -d ' ' "$first" <(ppaste "$@");;
  20.     esac
  21. }
  22.  
  23. echo '** plain paste'
  24. paste -d ' ' *_chr_3.txt
  25.  
  26. echo '** recursive function'
  27. ppaste *_chr_3.txt
Success #stdin #stdout 0.02s 5688KB
comments (?)
stdin 
Standard input is empty
stdout 
** plain paste
     1	one two three four
     2	one two three four
     3	one two three four
     4	one two three four
     5	one two three four
     6	one two three four
     7	one two three four
     8	one two three four
     9	one two three four
    10	one two three four
** recursive function
     1	one two three four
     2	one two three four
     3	one two three four
     4	one two three four
     5	one two three four
     6	one two three four
     7	one two three four
     8	one two three four
     9	one two three four
    10	one two three four
https://ideone.com/FEwKYo
https://stackoverflow.com/questions/68755517/continuously-paste-to-a-file-in-a-loop-without-overwriting
language:
Bash (bash 5.0.3)
created:
4 years ago
visibility:
secret

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