modifierad

#!/bin/bashif [ -n "$3" ]then        cat $1 | grep -A+4 -B+2 $2 -n > grepscript.tmp        cat $1 | grep $3 -n >> grepscript.tmp        sort -d grepscript.tmp > grepscript.log        rm grepscript.tmp        cat grepscript.logelse        echo grepscript FILENAME SEARCHWORD1 SEARCHWORD2fi