... best practice for writing to file
My preference is for the program/script to send output to STDOUT. Externally (as you have done it), this is directed to a user-specified location, which could well be a socket to a different machine, plumbed into a pipe, or dispersed somewhere cloudy or smoggy.

        "You're only given one little spark of madness. You mustn't lose it."         - Robin Williams

In reply to Re^3: Running speedtest-cli with Perl and cron by NetWallah
in thread Running speedtest-cli with Perl and cron by ethered

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