Re: wait until the file is done

[Chris Elvidge]

On 31/10/2020 04:13 pm, MN wrote:
> I thought I would make the function typo-proof.
> Is this how it should be done?
>
> waitfor() {
> oldsize=0
> if [[ -e "$1" ]]; then         #new lines
>      while sleep 30; do
>      size=$(wc -c < "$1")
>      if ((size > oldsize)); then
>          oldsize=$size
>          SECONDS=0
>          continue
>      fi
>      if ((SECONDS > 600)); then
>          break
>      fi
>      done
> else                           #new lines
>      echo 'No such file'        #new lines
> fi
> }

waitfor() {
        # return error if $1 not exists
        [ -e "$1" ] || return 1
        oldsize=0
        size=$(wc -c <"$1")
        # check if size increased in last 30 seconds
        while ((size>oldsize)); do
                oldsize=$size
                sleep 30
                size=$(wc -c <"$1")
        done
}


--
Chris Elvidge
England