Вывод отчетов для вложенных директорий на BASH

/head/
 
   dir_one/
     subDir_one/
        task/
           log.txt
        test_task/
           log.txt
 
      subDir_two/
        task/
           log.txt
        test_task/
           log.txt
    
      subDir_three/
      ...
      subDir_N
 
   dir_two/
      ...
   ...
   dir_N/
      ...

#!/usr/bin/zsh
 
for f in **/test_task/log.txt; do
    if grep -q fail $f; then
        print -n 'FOUND: '
    else
        print -n 'NOT: '
    fi
    print -- ${f:h:h}
done

#!/usr/bin/zsh
 
root_dir=${1:-$PWD}
 
for dir in $root_dir/**/test_task(/); do
    report=${dir:h}/report.txt
    rm -f $report
    lines=${(f)"$(awk '/fail/{printf "test_task/log.txt(line=%d): "fail" found\n", NR;}' < $dir/log.txt)"}
    if [[ ${#lines} == 0 ]]; then
        print "NOT: ${dir:h}"
    else
        print "FOUND: ${dir:h}"
        print -l -- $lines > $report
    fi
done

chmod +x report

xxx yyy: successes
abc dsa: successes
zzz asd: fail
...
fail of elapsed time: 1s (need 0.8s) 
etc..

cd /head/
for subdir in */*/ ; do
    cd "${subdir}"
    if grep -sHn 'fail'  test_task/log.txt > report.txt; then
       echo FOUND: "$subdir"
       sed -i 's/:\([0-9]*\):.*/(line=\1): «fail» found/' report.txt
    else
       echo NOT: "$subdir"
       rm -f report.txt
    fi
    cd -
done > /head/main_report.txt

OK: xxxx
/home/user/head
OK: yyyyy
/home/user/head
...

    cd - >/dev/null

        sed -i 's/:\([0-9]*\):/(line=\1): "fail" found in str: /' report.txt

sed -i 's/:\([0-9]*\): .*FAIL/(line=\1): "fail" found in str: FAIL/' report.txt