sed-delete-leading-and-trailing-whitespace

#!/bin/sh
set -euf -o pipefail

##
# Delete leading and trailing whitespace (spaces and tabs).
#
# From http://sed.sourceforge.net/sed1line.txt
#
#
# Contact: Joel Parker Henderson (joel@joelparkerhenderson.com)
# License: GPL
# Updated: 2015-01-25
##

sed 's/^[ \t]*//;s/[ \t]*$//'