| awk ' # range.prep | |
| # Input: ["%begin"|"%end"|""] string (tab) number | |
| # Output: string (tab) ["b"|"e"|"a"] (tab) number | |
| BEGIN { FS = OFS = "\t" } | |
| { f2 = "a" } | |
| $1 ~ /^%begin/ { f2 = "b"; sub(/^%begin */, "", $1) } | |
| $1 ~ /^%end/ { f2 = "e"; sub(/^%end */, "", $1) } | |
| { print $1, f2, $2 } | |
| ' $* |