[General Questions and Answers] xXx yYy:
@cosmic256

Only a side remark:

IMO you don't need any flash tool to flash a phone's stock ROM: if you can run phone in Fastboot mode then you can execute on your Linux computer bash scripts generated from content of XML-files

#!/bin/bash

# Print welcome message
echo " [*] Welcome to Motorola servicefile.xml to shell script converter"
echo "------------------------------------------------------------------------------"

# Create servicefile.sh script (adjust permissions if needed)
touch servicefile.sh
chmod +x servicefile.sh # Make the script executable

# Get max-sparse-size (requires root or adb root)
max_size=$(fastboot getvar max-sparse-size 2>/dev/null)
if [[ -z "$max_size" ]]; then
echo "Error: Could not get max-sparse-size. Root access might be required."
fi
echo "fastboot getvar max-sparse-size" >> servicefile.sh

# Set Fastboot mode (requires root or adb root)
echo "fastboot oem fb_mode_set" >> servicefile.sh

# Extract information from servicefile.xml
grep -E "\<filename\>" servicefile.xml > filename.txt
grep -E "\<erase\>" servicefile.xml > erase.txt
grep -E "\<mbn\>" servicefile.xml > mbn.txt
grep -E "\<BTFM\>" servicefile.xml > BTFM.txt

# Loop through extracted information and build fastboot commands
while IFS= read -r line; do
# Extract tokens (assuming consistent formatting)
part_num=$(echo "$line" | cut -d '"' -f 4)
offset=$(echo "$line" | cut -d '"' -f 6)
size=$(echo "$line" | cut -d '"' -f 8)

# Build fastboot command based on type (filename, erase, mbn, BTFM)
if [[ $line =~ "<filename>" ]]; then
echo "fastboot flash $part_num $offset $size" >> servicefile.sh
elif [[ $line =~ "<erase>" ]]; then
echo "fastboot erase $part_num" >> servicefile.sh
elif [[ $line =~ "<mbn>" ]]; then
echo "fastboot flash $part_num $offset $size" >> servicefile.sh
elif [[ $line =~ "<BTFM>" ]]; then
echo "fastboot flash $part_num $offset $size" >> servicefile.sh
else
echo "Warning: Unknown line format in servicefile.xml: $line"
fi
done < filename.txt

while IFS= read -r line; do
# Extract tokens (assuming consistent formatting)
part_num=$(echo "$line" | cut -d '"' -f 2)
offset=$(echo "$line" | cut -d '"' -f 4)
# No size needed for erase commands
echo "fastboot erase $part_num" >> servicefile.sh
done < erase.txt

while IFS= read -r line; do
# Extract tokens (assuming consistent formatting)
part_num=$(echo "$line" | cut -d '"' -f 4)
offset=$(echo "$line" | cut -d '"' -f 6)
size=$(echo "$line" | cut -d '"' -f 8)
echo "fastboot flash $part_num $offset $size" >> servicefile.sh
done < mbn.txt

while IFS= read -r line; do
# Extract tokens (assuming consistent formatting)
part_num=$(echo "$line" | cut -d '"' -f 4)
offset=$(echo "$line" | cut -d '"' -f 6)
size=$(echo "$line" | cut -d '"' -f 8)
echo "fastboot flash $part_num $offset $size" >> servicefile.sh
done < BTFM.txt

# Additional commands
echo "fastboot oem fb_mode_clear" >> servicefile.sh
echo "echo -------------------------------------------------------------------------" >> servicefile.sh
echo "echo Please scroll up and check your flash for any errors" >> servicefile.sh
echo "echo -------------------------------------------------------------------------"
echo "fastboot reboot" >> servicefile.sh

# Cleanup temporary files
rm -f filename.txt erase.txt mbn.txt BTFM.txt

echo " [*] The Servicefile.xml has been converted to a servicefile.sh"
echo " [*] Script creation complete. Remember to review it before running."
echo " [*] Make sure your device is in fastboot mode first before you start."
echo "------------------------------------------------------------------------------"
read -n1 -r -p "Press any key to continue..." key
exit 0

this because command fastboot devices checks for devices connected in Fastboot mode.