I simplified, and put some comments in the code for you......
As for the log output, the user command is launched in the background.
It's done that way, to let the pcp_startup.sh script exit normally, as
alot of folks just put commands that never exit in those areas. I would
just leave it be, and understand that boot_log is not entirely
sequential.
Code:
--------------------
#!/bin/sh
# start pigpiod deamon
pigpiod -t 0
# wait for pigpiod to initialize - indicated by 'pigs t' returning a numeric
value. Returns 'socket connect failed' otherwise
###I Like to Capitalize variables, to make them stand out against
programs/commands.
PIGI=0
while [ $PIGI -eq 0 ]
do
printf "\npigpiod initialization: "
# No need to catch the output, or grep anything. Just look at the pigs
exit code. Exit code '0' is everything is fine.
pigs t >/dev/null 2>&1
if [ $? -eq 0 ]; then
PIGI=1
else
printf "\nWaiting for pigpiod to initialize"
sleep 1
fi
done
echo "pigpiod is running"
# load uinput module - required to be able to send keystrokes
.
.
.
--------------------
piCorePlayer a small player for the Raspberry Pi in RAM.
Homepage: https://www.picoreplayer.org
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(https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=U7JHY5WYHCNRU&lc=GB¤cy_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted)
if you like the piCorePlayer
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