readLine
Syntax
readLine(handle)
Arguments
handle is the handle of the file to read.
Examples
Read a line from the given file. The return line doesn’t include the line delimiter. If the file reaches the end, the function will return a NULL object which can be tested by the isNull function.
Examples
$ x=`IBM`MSFT`GOOG`YHOO`ORCL;
$ eachRight(writeLine, file("test.txt","w"), x);
[1,1,1,1,1]
$ fin = file("test.txt")
$ do{
$ x=fin.readLine()
$ if(x.isNull()) break
$ print x
$ }while(true);
IBM
MSFT
GOOG
YHOO
ORCL
Related function: writeLine