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Full Discussion: Function to run a progress bar in zenity
Top Forums Shell Programming and Scripting Function to run a progress bar in zenity Post 303025002 by rbatte1 on Monday 22nd of October 2018 12:13:50 PM
Old 10-22-2018
You could also use wget with the --progress=bar option which writes to STDERR or another alternate would be pv. You probably have to do something a little odd with that though, such as:-
Code:
wget -O - "${source_url}" | pv options > ${target_file}

The options could include things such as a file size estimate so you can get a percentage done/remaining time estimate etc.

I'd only go for pv in this case if the curl or wget options are unavailable to you for some reason, e.g. you are capturing the output in a variable to use later on for some reason, however if that is the case, maybe you would be better to set off a background process to give you feedback, similar to this:-
Code:
:

target_file=/path/to/your/file
expected_size=1024000000           # Estimate on the file size
:
:
while :
do
   sleep 2
   current_size=$(stat -c %s ${target_file})
   ((percent_complete=(${current_size}*100)/${expected_size}))
   printf "\rDownload is %2.0d\% complete."
done &                 #   Loop in the background
bg_process_id=$!       # Get the process id of the background loop

curl -o "${target_file}" "${source_url}"
kill $bg_process_id

It's a bit messy, but could help if you read and process the STDOUT & STDERR from curl or wget.



I hope that this helps, but try the other suggestions first.
Robin
 

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LEARN ABOUT MOJAVE

curlopt_noprogress

CURLOPT_NOPROGRESS(3)					     curl_easy_setopt options					     CURLOPT_NOPROGRESS(3)

NAME

       CURLOPT_NOPROGRESS - switch off the progress meter

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_NOPROGRESS, long onoff);

DESCRIPTION

       If  onoff  is to 1, it tells the library to shut off the progress meter completely for requests done with this handle. It will also prevent
       the CURLOPT_PROGRESSFUNCTION(3) from getting called.

       Future versions of libcurl are likely to not have any built-in progress meter at all.

DEFAULT

       1, meaning it normally runs without a progress meter.

PROTOCOLS

       All

EXAMPLE

       CURL *curl = curl_easy_init();
       if(curl) {
	 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");

	 /* enable progress meter */
	 curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);

	 /* Perform the request */
	 curl_easy_perform(curl);
       }

AVAILABILITY

       Always

RETURN VALUE

       Returns CURLE_OK.

SEE ALSO

       CURLOPT_PROGRESSFUNCTION(3),

libcurl 7.54.0							  March 06, 2016					     CURLOPT_NOPROGRESS(3)
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