Install libfilehandle-fmode-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libfilehandle-fmode-perl
Description:
Perl module for checking filehandle status
FileHandle::Fmode provides methods to test if a filehandle is readable, writable, both, or open for appending. . FileHandle::Fmode is used by other packages like DBM::Deep.
Homepage: https://metacpan.org/release/FileHandle-Fmode
Version: 0.14-1build3
Section: universe/perl