What is a filehandle?
What will be an ideal response?
Like most high-level programming languages, Perl uses filehandles to reference files. A filehandle is the name for an I/O connection between your Perl program and the operating system, and it can be used inside your program to open, read, write, and close the file.
You might also like to view...
Formulas with random time sequence with index starting with i=0 and conditional formatting. The following worksheet computes 10 random values using RAND() and finds the average, variance and standard deviation.
a. What is the formula in E2?
b. What is the formula in E4?
c. What is the formula in E6?
d. The cells in Column B that are less than the ________ are highlighted using conditional formatting.
One end of a diode has a beveled end that indicates it is the _____.
a. anode b. cathode c. collector d. emitter
Find the inverse Fourier transforms of:
Diagnosing a DBC-7 system is being discussed. Technician A says that the system must be depressurized before retrieving DTCs. Technician B says that thoroughly inspecting the vehicle and speed sensor harness is one of the first steps in proper diagnosis. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B