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<H2><A NAME="s6">6. $BFCJL$JJ8;z(B: 8$B?J?t%(%9%1!<%W%7!<%1%s%9(B</A></H2>
<P>$B%-!<%\!<%I$+$iF~NO$G$-$kJ8;z0J30$K$b!"%9%/%j!<%s>e$KI=<($G$-$kJ8;z$OBt;3(B
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<PRE>
#!/bin/bash
# Script: escgen
function usage {
echo -e "\033[1;34mescgen\033[0m <lower_octal_value> [<higher_octal_value>]"
echo " 8$B?J?t%(%9%1!<%W%7!<%1%s%9%8%'%M%l!<%?!<(B:$B2<8B$NCM$+$i>e8B$NCM$^$G$N(B"
echo " $B$9$Y$F$N(B8$B?J?t%(%9%1!<%W%7!<%1%s%9$rI=<($7$^$9!#$b$7!"(B2$BHVL\$N>e8B$N(B"
echo " $BCM$,M?$($i$l$J$1$l$P!"(B8$B8D$NJ8;z$,I=<($5$l$^$9!#(B"
echo " 1998 - Giles Orr, no warranty."
exit 1
}
if [ "$#" -eq "0" ]
then
echo -e "\033[1;31mPlease supply one or two values.\033[0m"
usage
fi
let lower_val=${1}
if [ "$#" -eq "1" ]
then
# $B$b$7>e8BCM$,M?$($i$l$J$$>l9g$O!"(B8$B8D$K$9$k!#(B
upper_val=$(echo -e "obase=8 \n ibase=8 \n $lower_val+10 \n quit" | bc)
else
let upper_val=${2}
fi
if [ "$#" -gt "2" ]
then
echo -e "\033[1;31mPlease supply two values.\033[0m"
echo
usage
fi
if [ "${lower_val}" -gt "${upper_val}" ]
then
echo -e "\033[1;31m${lower_val} is larger than ${upper_val}."
echo
usage
fi
if [ "${upper_val}" -gt "777" ]
then
echo -e "\033[1;31mValues cannot exceed 777.\033[0m"
echo
usage
fi
let i=$lower_val
let line_count=1
let limit=$upper_val
while [ "$i" -lt "$limit" ]
do
octal_escape="\\$i"
echo -en "$i:'$octal_escape' "
if [ "$line_count" -gt "7" ]
then
echo
# Put a hard return in.
let line_count=0
fi
let i=$(echo -e "obase=8 \n ibase=8 \n $i+1 \n quit" | bc)
let line_count=$line_count+1
done
echo
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