General
This section contains generally useful scripts:
- copy_shell_scripts
 - 
copy
*.shfiles from a source to a destination directory - counter
 - 
create a counter
 - create_timestamp_file
 - 
create a file with a timestamp
 - fix_permissions
 - 
fix the directory, file, and script permissions in the given directory
 - hash_filename
 - 
insert a hash into a filename
 - loop
 - 
call a script repeatedly
 - shellscript_check
 - 
shellcheck
*.shfiles in the given directory - shellscript_format
 - 
format the shell script sources in the given directory
 - shellscript_format_check
 - 
check the formatting of shell script sources in the given directory