firstLineContaining method
Returns the index of the first line containing match in the file.
Optionally starts at line startAt
Implementation
int firstLineContaining(AFCommandContext context, RegExp match, { int startAt = 0 }) {
for(var i = startAt; i < lines.length; i++) {
final line = lines[i];
if(line.contains(match)) {
return i;
}
}
return -1;
}