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  1. #!/bin/bash
  2.  
  3. update() {
  4.     local i="$1"
  5.  
  6.     echo "./update.sh $i"
  7. }
  8.  
  9. loop_func() {
  10.     local d;
  11.  
  12.     for d in {2..40}; do
  13.         update $d  1>&2 &
  14.         echo $!
  15.     done
  16. }
  17.  
  18. pids=( $(loop_func) )
  19. wait ${pids[@]} &>/dev/null
  20. echo "d: $d"
Success #stdin #stdout #stderr 0s 5048KB
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stdin
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Standard input is empty
stdout
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d:
stderr
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./prog.sh: fork: retry: Resource temporarily unavailable
./update.sh 4
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./update.sh 5
./update.sh 3
./update.sh 20
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./update.sh 2
./prog.sh: fork: retry: No child processes
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./update.sh 40
./prog.sh: line 19: /dev/null: Permission denied
./update.sh 38
https://ideone.com/srckrA
language:
Bash (bash 5.0.3)
created:
8 years ago
visibility:
public

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