#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
fx()
{
i=0
for (( ; i < 3; i++ ))
do
	echo $i
done

for (( i=0; ; i++ ))
do
	if (( i >= 3 )); then
		break;
	fi
	echo $i
done

for (( i=0; i<3; ))
do
	echo $i
	(( i++ ))
done

i=0
for (( ; ; ))
do
	if (( i > 2 )); then
		break;
	fi
	echo $i;
	(( i++ ))
done

i=0
for ((;;))
do
	if (( i > 2 )); then
		break;
	fi
	echo $i;
	(( i++ ))
done
}

for (( i=0; "i < 3" ; i++ ))
do
	echo $i
done

i=0
for (( ; "i < 3"; i++ ))
do
	echo $i
done

for (( i=0; ; i++ ))
do
	if (( i >= 3 )); then
		break;
	fi
	echo $i
done

for ((i = 0; ;i++ ))
do
	echo $i
	if (( i < 3 )); then
		(( i++ ))
		continue;
	fi
	break
done

type fx
fx

# errors 
{
${THIS_SH} -c 'for (( i=0; "i < 3" ))
do
	echo $i
done' ; echo $? ;  } 2>&1 | sed 's|^.*/||'
#echo $?

{
${THIS_SH} -c 'for (( i=0; i < 3; i++; 7 ))
do
	echo $i
done' ; echo $?; } 2>&1 | sed 's|^.*/||'
#echo $?

# one-liners added in post-bash-2.04
for     ((i=0; i < 20; i++)) do : ; done
echo $i

for     ((i=0; i < 20; i++)) { : ; }
echo $i

# added post-bash-4.2
for (( i = j = k = 1; i % 9 || (j *= -1, $( ((i%9)) || printf " " >&2; echo 0), k++ <= 10); i += j ))
do
printf "$i"
done

echo

( for (( i = j = k = 1; i % 9 || (j *= -1, $( ((i%9)) || printf " " >&2; echo 0), k++ <= 10); i += j ))
do
printf "$i"
done )

echo

for (( i = 4; ;i--)) ; do echo $i; if (( $i == 0 )); then break; fi; done

for (( i = 4;;i--)) ; do echo $i; if (( $i == 0 )); then break; fi; done
i=4 ; for (( ;;i--)) ; do echo -n $i; if (( i == 0 )); then break; fi; done; echo

# arithmetic for commands with expression errors

for (( i=1; i < 4; 7++ )); do echo ok$i ; done
for (( i=2; i < 4/0; 7++ )); do echo whoops1 ; done
for (( i=2/0; i < 4; 7++ )); do echo whoops2 ; done

for (( 7=4 ; 7 > 7; )); do echo whoops3; done

for ((j=;;)); do :; done
echo X
break
echo Y

# arithmetic for commands need to skip over command substitutions
for (( $(case x in x) esac);; )); do break; done
for (( ${ case x in x) esac; };; )); do break; done