Re: [Help-bash] how to translate one file

[lina]

On Tuesday 03,January,2012 09:17 PM, Greg Wooledge wrote:
> On Mon, Jan 02, 2012 at 11:46:08PM +0800, lina wrote:
> > I have one file like
> >
> > a 1
> > b 2
> > c 3
> >
> > and the last line of the file like :
> >
> > abc
> >
> > I wish to translate it to
> > 1 2 3
> In bash 4, you can do this elegantly using an associative array:
>
> #!/usr/bin/env bash
> declare -A dict
> while read key value; do
>      # If there is no second field, then we've just read the final line.
>      [[ $value ]] || break
>      # Otherwise, enter this pair into our dictionary.
>      dict["$key"]=$value
> done
>
> # Last line has already been read, and is in "key"
> n=${#key}
> for ((i=0; i<n; i++)); do
>      printf "%s " "${dict["${key:i:1}"]}"
> done
> echo
#!/usr/bin/env bash

declare -A dict

while read line; do
    IFS="
"

    case $line in \"[A-Za-z]" "*)
        ##   a=${line:20:4} # here I don't know how to read
        ##   "A  c #FFFFFF " /* "0" */,
        ##   "B  c #F8F8F8 " /* "0.0385" */,
        ##    the digital part out? thanks ahead for your suggestions.

        dict[${line:1:1}]=${line:20:4}
    esac

done < dm_1.xpm

tail -n 1 dm_1.xpm | tr -d '"'    ## Here I don't know how to pass the 
result -- the string, into a parameter called lastline. hope to get your 
advice.
    #echo ${#lastline}
lastline=AnnnnnnnnnnnnklmebUbQflnjnnlmeXSJKHJTXdhgnn

for ((i=0; i<${#lastline}; i++)); do
    printf "%s " "${dict["${lastline:i:1}"]}" | tr -d '"' | tr -d "\*"
done

Best regards,