C:\Users\Desktop\x\New folder>perl -ane '$s = "";
Can't find string terminator "'" anywhere before EOF at -e line 1.

C:\Users\Desktop\x\New folder>foreach (@F) { /(\d+)-(\d+)/ and $2 - $1 >=
 30 and $s .= " $1-$2" }
'foreach' is not recognized as an internal or external command,
operable program or batch file.