dtc-version.sh 528 Bytes
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#!/bin/sh
#
# dtc-version dtc-command
#
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# Prints the dtc version of `dtc-command' in a canonical 6-digit form
# such as `010404'  for dtc 1.4.4
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#

dtc="$*"

if [ ${#dtc} -eq 0 ]; then
	echo "Error: No dtc command specified."
	printf "Usage:\n\t$0 <dtc-command>\n"
	exit 1
fi

MAJOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 1)
MINOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 2)
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PATCH=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 3 | cut -d - -f 1)
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printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCH