| 1 | #!/usr/bin/env bash | 
| 2 | # | 
| 3 | # Usage: | 
| 4 | # ./lineno.sh <function name> | 
| 5 | |
| 6 | set -o nounset | 
| 7 | set -o pipefail | 
| 8 | set -o errexit | 
| 9 | |
| 10 | # https://unix.stackexchange.com/questions/355965/how-to-check-which-line-of-a-bash-script-is-being-executed | 
| 11 | |
| 12 | # This is different than LINENO, see gold/xtrace1.sh. | 
| 13 | |
| 14 | f(){ echo "${BASH_LINENO[-2]}"; } | 
| 15 | |
| 16 | echo next1 | 
| 17 | f | 
| 18 | |
| 19 | echo next2 | 
| 20 | f | 
| 21 | |
| 22 | echo next 3 | 
| 23 | f |