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khurshid-alam/trim-space

Created July 28, 2016 13:17
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trim-space
FOO=' test test test '
FOO_NO_EXTERNAL_SPACE="$(echo -e "${FOO}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
echo -e "FOO_NO_EXTERNAL_SPACE='${FOO_NO_EXTERNAL_SPACE}'"
# > FOO_NO_EXTERNAL_SPACE='test test test'
echo -e "length(FOO_NO_EXTERNAL_SPACE)==$(echo -ne "${FOO_NO_EXTERNAL_SPACE}" | wc -m)"
# > length(FOO_NO_EXTERNAL_SPACE)==14
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