ref: 87288afa5ac476efb3ef1ed40df658427339f13e
dir: /idx/range.prep/
#!/bin/rc 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 } ' $*