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  1. #!/bin/bash
  2. set -E
  3.  
  4. subs() {
  5.   echo "before false1: $LINENO"
  6.   false 1
  7.   echo "after false1: $LINENO"
  8. }
  9.  
  10. subs2() {
  11.   echo "before false2: $LINENO"
  12.   false 2
  13. }
  14.  
  15. failed() {
  16.   local r=$?
  17.   set -- "${@:1:$(($#-1))}"
  18.   # local line=${last_lineno:-$1}
  19.   echo "Err: return $r at $1: $BASH_COMMAND"
  20.   echo "Trace: " "$@"
  21.   exit $r
  22. }
  23.  
  24. main() {
  25.   trap 'failed $LINENO ${BASH_LINENO[@]}' ERR
  26.   subs
  27.   subs2
  28.   echo "end:$LINENO"
  29. }
  30.  
  31. main "$@"
Runtime error #stdin #stdout 0s 19656KB
comments (?)
stdin 
Standard input is empty
stdout 
before false1: 5
Err: return 1 at 6: false 1
Trace:  6 26 31
https://ideone.com/krOLEH
language:
Bash (bash 5.0.3)
created:
7 years ago
visibility:
secret

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