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Update data-munging.md

David Stark committed 2021-07-20 12:26:31 +0100 commit 24f197c5f834a4acb38fa4c7e25158ddc6b4a0c0

				compute/data-munging.md
			
          @@ -3,6 +3,9 @@

           ### Sum a list of numbers

           `cat list | paste -s -d+ | bc`

          +### Remove all but one trailing newlines

          +`sed -e :a -e '/^\n*$/{$d;N;};/\n$/ba' file`

          +

           ### Make sure a file has a trailing newline

           `tail -c1 file | read -r _ || echo >> file`

...	...	@@ -3,6 +3,9 @@
3	3	### Sum a list of numbers
4	4	`cat list \| paste -s -d+ \| bc`
5	5
	6	+### Remove all but one trailing newlines
	7	+`sed -e :a -e '/^\n*$/{$d;N;};/\n$/ba' file`
	8	+
6	9	### Make sure a file has a trailing newline
7	10	`tail -c1 file \| read -r _ \|\| echo >> file`
8	11