Le 15226ième jour après Epoch, Ivan Shmakov écrivait: > $ (i=world ; printf 'Hello, %s!\n' "$i") > Hello, world! > $ > > (The parentheses there ensure that the variable will be used for > this command line only and will not linger.) Or, if it's only for one command, you can do: i="some value" command parm1 parm2 ... some_parm_with_i