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+---
+tags:
+  - grep
+  - ripgrep
+  - linux
+---
+# 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
+# Ripgrep
+Pass `-L` to `rg` to make it follow symlinks: this is handy for example when searching hieradata, because node definitions can be symlinked.
+
+	`-l` for showing only files with matches
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