racl101 + groups   27

replace - Replace all instances of a particular string in a file using a back-referenced regular expression. — Ansible Documentation
Use this module to search for strings or regex patterns within files and replace them with other strings. It's possible to used captured groups here as well.
ansible  documentation  guide  reference  search  and  replace  regex  module  howto  example  tutorial  regular  expression  pattern  captured  groups 
july 2018 by racl101
Working with Patterns — Ansible Documentation
(i.e. use --limit flag when calling ansible or ansible-playbook to filter out certain inventory groups in your main inventory file or dynamic inventory script output with patterns ) This is essentially how one might use the ec2.py script and then filter for only the hosts you want (e.g. say by a couple of tag names )
ansible  documentation  guide  reference  howto  filter  inventory  groups  patterns  example  tutorial  subset  hosts 
july 2018 by racl101
python - split dataframe into multiple dataframes based on number of rows - Stack Overflow
Awesome example that shows how to split a CSV into groups / chunks of 10 and to write them into files (CSVs) complete with header. In other words, if you have a large CSV file, you can chunk it into files with this approach. Works for read_excel and to_excel as well.
Stackoverflow  ReferencE  pandas  Python  chunk  split  csv  header  Groups  DATaframe  Guide  example  Howto  File  large  excel 
february 2017 by racl101

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