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Top Forums Shell Programming and Scripting Listen sharp time to run a command inside a script Post 303001737 by baris35 on Thursday 10th of August 2017 06:25:37 AM
Old 08-10-2017
Hello Rudic,
Thanks for your feedback.
How may I integrate time controller into main script?

main script
Code:
#!/bin/bash
cd /home/database1

for i in *.mp4
do
/usr/bin/ffmpeg -i $i -c copy -f mpegts pipe:1
done

time_controller
Code:
#!/bin/bash
cd /home/database1
find . -maxdepth 1 -iname '*.mp4' -exec ffprobe -v quiet -of csv=p=0 -show_entries format=duration {} \; | paste -sd+ -| bc > total_duration
sleep $(cat total_duration) && 
cd /home/database2 
for i in *.mp4
do
/usr/bin/ffmpeg -i $i -c copy -f mpegts pipe:1
done


Thanks
Boris
 

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SETUID(1)						      General Commands Manual							 SETUID(1)

NAME
setuid - run a command with a different uid. SYNOPSIS
setuid username|uid command [ args ] DESCRIPTION
Setuid changes user id, then executes the specified command. Unlike some versions of su(1), this program doesn't ever ask for a password when executed with effective uid=root. This program doesn't change the environment; it only changes the uid and then uses execvp() to find the command in the path, and execute it. (If the command is a script, execvp() passes the command name to /bin/sh for processing.) For example, setuid some_user $SHELL can be used to start a shell running as another user. Setuid is useful inside scripts that are being run by a setuid-root user -- such as a script invoked with super, so that the script can execute some commands using the uid of the original user, instead of root. This allows unsafe commands (such as editors and pagers) to be used in a non-root mode inside a super script. For example, an operator with permission to modify a certain protected_file could use a super command that simply does: cp protected_file temp_file setuid $ORIG_USER ${EDITOR:-/bin/vi} temp_file cp temp_file protected_file (Note: don't use this example directly. If the temp_file can somehow be replaced by another user, as might be the case if it's kept in a temporary directory, there will be a race condition in the time between editing the temporary file and copying it back to the protected file.) AUTHOR
Will Deich local SETUID(1)
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