geirha 1283616274 learn ((...)) is an arithmetic command, which returns an exit status of 0 if the expression is nonzero, or 1 if the expression is zero. Also used as a synonoym for "let", if side effects (assignments) are needed. See . prince_jammys 1293585657 forget prince_jammys 1293585695 learn ((...)) is an arithmetic command, which returns an exit status of 0 if the expression is nonzero, or 1 if the expression is zero. Also used as a synonym for "let", if side effects (assignments) are needed. See <[37]->http://mywiki.wooledge.org/ArithmeticExpression>. prince_jammys 1293585727 forget prince_jammys 1293585738 learn ((...)) is an arithmetic command, which returns an exit status of 0 if the expression is nonzero, or 1 if the expression is zero. Also used as a synonym for "let", if side effects (assignments) are needed. See . gnoo 1636906574 forget gnoo 1636906580 learn ((...)) is an arithmetic command, which returns an exit status of 0 if the expression is nonzero, or 1 if the expression is zero. Also used as a synonym for "let", if side effects (assignments) are needed. See http://mywiki.wooledge.org/ArithmeticExpression