fix errors in loop

pids=""

for ref in "$output_dir_default_dec"/*.wav; do

    cut=${ref/$output_dir_default_dec/$output_dir_voip}

    cut=${ref/$output_dir_default/$output_dir_voip}

    cut=${cut/".dec."/"_jbm_dly_error_profile_0_dat.dec."}

    # Print paths of compared files, since the script doesn't do it

    printf "\nComparing %s and %s\n" "$ref" "$cut" | tee -a voip_be_test_output.txt

    $python_audiofile_script_path compare "$ref" "$cut" "$jbm_offset"

    python3 $python_audiofile_script_path compare "$ref" "$cut" "$jbm_offset"

    echo "$?t"

    # pids="$pids $!"

done