On Sat, Sep 10, 2011 at 12:03:06AM +0800, lina wrote: > Hi, > > suppose there is a variable in some bash like i, so in some process I used $i > so lots, > > but I wanna test one long command on terminal, > > which as like > run -a $i.pdf -b $i.pdf -c $i.pdf -d $i.pdf, > > how can I change $i very quickly except one by one to > run -a 1.pdf -b 1.pdf -c 1.pdf -d 1.pdf, > > Thanks ahead for any suggestions, export i=whatever_you_want_here