FileReadLine
Returns the next line from the file object stream
Method Signature
FileReadLine(file=[any])Arguments
Argument
Type
Required
Description
Default
file
any
true
The currently open file object
Examples
Opens a file, reads a line then closes it.
// Open File
var fileObject = fileOpen( "/path/to/file.txt" );
// Perform Actions
try {
// Read Line
writeOutput( fileReadLine( fileObject ) );
}
// Error Handling
catch (any ex) {
// Report Exception
writeDump( ex );
}finally {
// Always Close
// Close File
fileClose( fileObject );
}
Additional Examples
// Example reads lines of file one at a time into an array
filePath = "/path/to/file.txt";
openFile = fileopen( filePath, "read" );
lines = [];
// IMPORTANT: must close file, use try/catch/finally to do so
try {
while (!fileIsEoF( openFile )) {
arrayAppend( lines, fileReadLine( openFile ) );
}
} catch (any e) {
rethrow;
}finally {
fileClose( openFile );
}
Related
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