> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf Of
> Alexander Strasser
> Sent: Thursday, May 02, 2019 12:08 AM
> To: ffmpeg-devel@ffmpeg.org
> Subject: [FFmpeg-devel] [PATCH 1/2] configure: print_in_columns: Replace pr
> with awk
>
> Get rid of pr dependency and write the columns strictly
> alphabetical for the given rows.
>
> Before pr would attempt to write pages, thus if a page
> boundary was reached, the output looked confusing as one
> couldn't see there was a new page and the alphabetical
> order was disrupted when scanning down one of the columns.
>
> Fixes output for sizes with width < column width, too.
>
> Fixes part of ticket #5680
>
> Signed-off-by: Alexander Strasser <eclip...@gmx.net>
> ---
> configure | 18 ++++++++++++++++--
> 1 file changed, 16 insertions(+), 2 deletions(-)
>
> diff --git a/configure b/configure
> index b122b27268..81e3776060 100755
> --- a/configure
> +++ b/configure
> @@ -3831,8 +3831,22 @@ die_unknown(){
> }
>
> print_in_columns() {
> - cols=$(expr $ncols / 24)
> - cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
> + tr ' ' '\n' | sort | tr '\r\n' ' ' | awk -v col_width=24 -v
> width="$ncols" '
> + {
> + num_cols = width > col_width ? int(width / col_width) : 1;
> + num_rows = int((NF + num_cols-1) / num_cols);
> + y = x = 1;
> + for (y = 1; y <= num_rows; y++) {
> + i = y;
> + for (x = 1; x <= num_cols; x++) {
> + if (i <= NF) {
> + line = sprintf("%s%-24s", line, $i);
not sure how to use col_width instead of the magic number 24.
> + }
> + i = i + num_rows;
> + }
> + print line; line = "";
> + }
> + }' | sed 's/ *$//'
> }
>
> show_list() {
> --
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel@ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
