shithub: rgbds

ref: d86d24bdc14fb2fc5c1ca9729495e1a26c2d6d08
dir: /src/check_bison_ver.sh/

View raw version 
#!/usr/bin/env bash
bison -V | awk -v major="$1" -v minor="$2" '
/^bison.*[0-9]+(\.[0-9]+)(\.[0-9]+)?$/ {
	match($0, /[0-9]+(\.[0-9]+)(\.[0-9]+)?$/);
	split(substr($0, RSTART), ver, ".");
	if (ver[1] == major && ver[2] >= minor) { exit 0 } else { exit 1 }
}'