====== Shell: substring ======
\\


the first 2 chars from a ${long} string:
<file bash>
short=$(echo "${long}" | cut -c1-2)
short=$(echo "${long}" | head -c2)
short=$(echo "${long}" | awk '{print substr ($0, 0, 2)}'
short=$(echo "${long}" | sed 's/^\(..\).*/\1/')
</file>






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