---
tags:
  - howto
  - grep
---

`grep -vxf gobs_servers onecrm_servers` grep all onecrm_servers that **ARE NOT** in gobs_servers
`grep -oxf gobs_servers onecrm_servers` grep all onecrm_servers that **ARE** in gobs_servers
`grep -vxf onecrm_servers gobs_servers` grep all gobs_servers that **ARE NOT** in onecrm_servers
`grep -oxf onecrm_servers gobs_servers` grep all gobs_servers that **ARE** in onecrm_servers


# Useful Ripgrep flags

 `-L` to make it follow symlinks: this is handy for example when searching hieradata, because node definitions can be symlinked.

`-l` to only print filenames that contain matches.