set debug true
set echo true

# Create a backup the files we will modify
export --filename MF/ADF.USIM/EF.LOCI > restore_ef_loci.script.tmp

# Select an arbitrary file to work with
select MF/ADF.USIM/EF.LOCI

# Clear file contents
update_binary ffffffffffffffffffffff
read_binary > test_binary_uicc.tmp

# Write some short pattern to the file
update_binary 01234567890abcdeff
read_binary >> test_binary_uicc.tmp

# Write some pattern to the file
update_binary 01234567890abcdeffaaaa
read_binary >> test_binary_uicc.tmp

# Write some short pattern to the file, we expect the tail to remain unchanged
update_binary 001abcd344
read_binary >> test_binary_uicc.tmp

# Write some json encoded content to the file
update_binary_decoded '{"tmsi": "12345678", "lai": { "mcc_mnc": "262-42", "lac": "9876" }, "rfu": 0, "lu_status": 1 }'

# Read the file, we expect the same json encoded content to show up again.
read_binary_decoded >> test_binary_uicc.tmp

# Restore modified files to their original state
run_script restore_ef_loci.script.tmp