How can I loop through consecutive file directories?

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Bash

i am in directory a. Under directory a there is a fixed directory b. There are d{091....099} directories under the b directory. There are also different *.gz files under this d directory. I need to extract data from these files (filenames) and print them one after the other.

What I have tried:

i have tried this:

#!/bin/bash

for file in $(find . -name "*.gz"); do
  file=$(basename ${file})
       echo ${file:0:4} | tee -a receiver_ids > log
       echo ${file:16:17} | tee -a doy > log2
       echo ${file:0:100} | tee -a data_record > log3
done
cut -c 1-3 < doy > doy2
cut -c 1-23 < data_record > summary_name

but by doing this, the files are processed in an unordered way. this is what i get from,

cat data_record
ISTA00TUR_R_20190940000_01D_30S_MO.crx.gz
ISTA00TUR_R_20190990000_01D_30S_MO.crx.gz
ISTA00TUR_R_20190970000_01D_30S_MO.crx.gz
ISTA00TUR_R_20190920000_01D_30S_MO.crx.gz
ISTA00TUR_R_20190980000_01D_30S_MO.crx.gz
ISTA00TUR_R_20190910000_01D_30S_MO.crx.gz
ISTA00TUR_R_20190960000_01D_30S_MO.crx.gz
ISTA00TUR_R_20190930000_01D_30S_MO.crx.gz
ISTA00TUR_R_20190950000_01D_30S_MO.crx.gz

how can i fix this?