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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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CURLOPT_QUOTE(3)					     curl_easy_setopt options						  CURLOPT_QUOTE(3)

NAME
CURLOPT_QUOTE - (S)FTP commands to run before transfer SYNOPSIS
#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_QUOTE, struct curl_slist *cmds); DESCRIPTION
Pass a pointer to a linked list of FTP or SFTP commands to pass to the server prior to your request. This will be done before any other commands are issued (even before the CWD command for FTP). The linked list should be a fully valid list of 'struct curl_slist' structs properly filled in with text strings. Use curl_slist_append(3) to append strings (commands) to the list, and clear the entire list after- wards with curl_slist_free_all(3). Disable this operation again by setting a NULL to this option. When speaking to a FTP server, prefix the command with an asterisk (*) to make libcurl continue even if the command fails as by default libcurl will stop at first failure. The set of valid FTP commands depends on the server (see RFC959 for a list of mandatory commands). The valid SFTP commands are: chgrp group file The chgrp command sets the group ID of the file named by the file operand to the group ID specified by the group operand. The group operand is a decimal integer group ID. chmod mode file The chmod command modifies the file mode bits of the specified file. The mode operand is an octal integer mode number. chown user file The chown command sets the owner of the file named by the file operand to the user ID specified by the user operand. The user operand is a decimal integer user ID. ln source_file target_file The ln and symlink commands create a symbolic link at the target_file location pointing to the source_file location. mkdir directory_name The mkdir command creates the directory named by the directory_name operand. pwd The pwd command returns the absolute pathname of the current working directory. rename source target The rename command renames the file or directory named by the source operand to the destination path named by the target op- erand. rm file The rm command removes the file specified by the file operand. rmdir directory The rmdir command removes the directory entry specified by the directory operand, provided it is empty. statvfs file The statvfs command returns statistics on the file system in which specified file resides. (Added in 7.49.0) symlink source_file target_file See ln. DEFAULT
NULL PROTOCOLS
SFTP and FTP EXAMPLE
TODO AVAILABILITY
SFTP support added in 7.16.3. *-prefix for SFTP added in 7.24.0 RETURN VALUE
Returns CURLE_OK SEE ALSO
CURLOPT_POSTQUOTE(3), CURLOPT_PREQUOTE(3), libcurl 7.54.0 February 25, 2016 CURLOPT_QUOTE(3)
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