#! /bin/bash
#
for I in (1..10);do
if [ $I -le 9 ];then
echo -n "$RANDOM,"
else
echo "$RANDOM."
fi
done
#! /bin/bash
#
declare -i MAX=0
MYRAND=$RANDOM
for I in (1..10);do
if [ $I -le 9 ];then
echo -n "$MYRAND,"
else
echo "$MYRAND."
fi
[$MYRAND -gt $MAX]&&MAX=$MYRAND
done
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if:单分支,双分支,多分支
case语句:选择结构
case SWITCH in
value1)
STATEMENT
...
;;
value2)
STATEMENT
....
;;
*)
statement
...
;;
esac