Remove space

DATE=6/Jul/2010
6/Jul/2010
var="sed -n '/\[$DATE:06:00:00/,/\[${DATE1}:09:00:00/p"
echo $var

sed -n '/\[ 6/Jul/2010:06:00:00/,/\[ 7/Jul/2010:09:00:00/p

Please tell me how to remove the space between '[' and 6 and [ and 7.

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#!/bin/bash
DATE=`./get_date.pl 3`
DATE1=`./get_date.pl 2`
var1=$( echo "$DATE" | sed "s/ //g" )
var2=$( echo "$DATE1" | sed "s/ //g" )
var="sed -n '/\[$var1:06:00:00/,/\[${var2}:09:00:00/p"
echo $var
sort -k4 tmp.tsv | $var > tab.tsv

Please tell me why I get this error.

sed -n '/\[6/Jul/2010:06:00:00/,/\[7/Jul/2010:09:00:00/p
sed: -e expression #1, char 1: unknown command: `''

DATE=6/Jul/2010
DATE1=7/Jul/2010

Add single quote at the end of sed command

var="sed -n '/\[$var1:06:00:00/,/\[${var2}:09:00:00/p'"