I think I’ve found an edge case with the string transformations for line.count:
In pv_trans.c, the following code does not appear to consider the last line if
there are multiple lines and the last one is not terminated with \n.
case TR_LINE_COUNT:
n=0;
for(i=0; i<val->rs.len; i++)
if(val->rs.s[i]=='\n')
n++;
if(n==0 && val->rs.len>0)
n = 1;
val->flags = PV_TYPE_INT|PV_VAL_INT|PV_VAL_STR;
val->ri = n;
val->rs.s = int2str(val->ri, &val->rs.len);
break;
This means that my count is always one off unless I force a blank line at the
end of my string.
Also, this code does not cater for cases where there is a different line
terminator, such as CR or CRLF as is the case when the string comes from a Mac
or windows system, respectively; it might be useful to have a transformation
for doing that as I’ve had to hack it using s.replace with hexadecimal escape
codes (\r and \n do not work) in a variable.
With every blessing,
—
Daniel Donoghue
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