Line Numbers of Function Calls

$BASH_LINENO is an array and contains the line numbers, where functions were called.

Links

• Bash manual
• Bash builtin “caller”

Examples

Display execution position :

 1
 2
 3
 4
 5
 6
 7
 8
 9
10

a() {
  local i=$((${#FUNCNAME} - 1))
  cat << EOF
  file: ${BASH_SOURCE[i+1]}
  function: ${FUNCNAME[i]}
  executed at: ${BASH_LINENO[i]}
EOF
}

a

Output:

  file: /home/user/file.sh
  function: a
  executed at: 10