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Use arithmetic (( ... )) for conditions

You could replace:

if [ $i -gt 5 ] ; then
    echo Do something with i greater than 5
fi

by

if((i>5));then
    echo Do something with i greater than 5
fi

(Note: There is no space after if)

or even

((i>5))&&{
    echo Do something with i greater than 5
}

... or if only one command

((i>5))&&echo Echo or do something with i greater than 5

Use arithmetic (( ... )) for conditions

You could replace:

if [ $i -gt 5 ] ; then
    echo Do something with i greater than 5
fi

by

if((i>5));then
    echo Do something with i greater than 5
fi

(Note: There is no space after if)

or even

((i>5))&&{
    echo Do something with i greater than 5
}

... or if only one command

((i>5))&&echo Echo or do something with i greater than 5

Further: Hide variable setting in arithmetic construct:

((i>5?c=1:0))&&echo Nothing relevant there...
# ...
((c))&&echo Doing something else if i was greater than 5

or same

((c=i>5?c=0,1:0))&&echo Nothing relevant there...
# ...
((c))&&echo Doing something else if i was greater than 5

... where if i > 5, then c = 1 (not 0;)

Use arithmetic (( ... )) for conditions

You could replace:

if [ $i -gt 5 ] ; then
    echo Do something with i greater than 5
fi

by

if((i>5));then
    echo Do something with i greater than 5
fi

(Note: There is no space after if)

or even

((i>5))&&{
    echo Do something with i greater than 5
}

Use arithmetic (( ... )) for conditions

You could replace:

if [ $i -gt 5 ] ; then
    echo Do something with i greater than 5
fi

by

if((i>5));then
    echo Do something with i greater than 5
fi

(Note: There is no space after if)

or even

((i>5))&&{
    echo Do something with i greater than 5
}

... or if only one command

((i>5))&&echo Echo or do something with i greater than 5

Use arithmetic (( ... )) for conditions

You could replace:

if [ $i -gt 5 ] ; then
    echo Do something with i greater than 5
fi

by

if ((i>5)) ;then
    echo Do something with i greater than 5
fi

or even

((i>5)) && {
    echo Do something with i greater than 5
}

Use arithmetic (( ... )) for conditions

You could replace:

if [ $i -gt 5 ] ; then
    echo Do something with i greater than 5
fi

by

if((i>5));then
    echo Do something with i greater than 5
fi

(Note: There is no space after if)

or even

((i>5))&&{
    echo Do something with i greater than 5
}