this behaviour wax not present in 1.15.3 : > a=1; b=0; for i in 1 ; do eval b=$a ; echo $b ; done sh: can't execute 'b=1': No such file or directory 0 a=1; b=0; for i in 1 ; do ; eval b=$a ; echo $b ; done 1
Fix: http://busybox.net/downloads/fixes-1.18.4/busybox-1.18.4-hush.patch