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#1
07-19-2005
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a piece of code, plz help to review
use "getopts" to get params from command. Need replace black with a specified string like "%20
DEFAULT_DELIM＝％20 ... while getopts dek:f:t:vh OPTION do case $OPTION in t) DELIM=`tvar=/'"$OPTARG"'/ svar="$DEFAULT_DELIM" awk 'BEGIN{T=ENVIRON["tvar"];S=ENVIRON["svar"]; while(index(T,S)!=0){S=S"0"};print $S;exit}'` for var in $OPTARG do if [ "$TMP" = "" ] then TMP=$var else TMP=$TMP$DELIM$var fi done ;; ... Why DELIM is always null Thanks. 
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