Fish Shell Script to Help Search for Error Messages Online

run-cp-stderr.fish

# This function runs a command while copying standard error to a
# temporary file.  If the command has a non-zero exit code then the
# function copies the last line of standard error to the clipboard.
# This makes it easy to switch over to my browser and do a search for
# that error message.

function run-cp-stderr --description="Run a command copying the tail of STDERR to the clipboard"
        set --local ERROR_FILE (mktemp --suffix=".fish-command.log" --tmpdir="/tmp")
        if not eval $argv ^$ERROR_FILE
                tail --lines=1 "$ERROR_FILE" | xclip -in -selection "clipboard"
        end
end