Update cheatsheets

xe

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# xe
+
+> Execute a command once for each line piped from another command or file.
+> More information: <https://github.com/leahneukirchen/xe>.
+
+- Run a command once for each line of input data as arguments:
+
+`{{arguments_source}} | xe {{command}}`
+
+- Execute the commands, replacing any occurrence of the placeholder (marked as `{}`) with the input line:
+
+`{{arguments_source}} | xe {{command}} {} {{optional_extra_arguments}}`
+
+- Execute a shellscript, joining every `N` lines into a single call:
+
+`echo -e 'a
+b' | xe -N{{2}} -s 'echo $2 $1'`
+
+- Delete all files with a `.backup` extension:
+
+`find . -name {{'*.backup'}} | xe rm -v`
+
+- Run up to `max-jobs` processes in parallel; the default is 1. If `max-jobs` is 0, xe will run as many processes as cpu cores:
+
+`{{arguments_source}} | xe -j {{max-jobs}} {{command}}`