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add wait process

master
lework 5 years ago
parent
commit
6e6788715e
  1. 12
      shell/library.sh
  2. 90
      shell/wait-process.sh

12
shell/library.sh

@ -783,3 +783,15 @@ func_secret_input(){ @@ -783,3 +783,15 @@ func_secret_input(){
echo ""
}
# Check if a program is installed
command_exists() {
# check if command exists and fail otherwise
command -v "$1" >/dev/null 2>&1
if [[ $? -ne 0 ]]; then
echo "I require $1 but it's not installed. Abort."
exit 1
fi
}

90
shell/wait-process.sh

@ -0,0 +1,90 @@ @@ -0,0 +1,90 @@
#!/bin/bash
# Shows a spinner while another command is running. Randomly picks one of 12 spinner styles.
# @args command to run (with any parameters) while showing a spinner.
# E.g. ‹spinner sleep 10›
function shutdown() {
tput cnorm # reset cursor
}
trap shutdown EXIT
function cursorBack() {
echo -en "\033[$1D"
}
function spinner() {
# make sure we use non-unicode character type locale
# (that way it works for any locale as long as the font supports the characters)
local LC_CTYPE=C
local pid=$1 # Process Id of the previous running command
case $(($RANDOM % 12)) in
0)
local spin='⠁⠂⠄⡀⢀⠠⠐⠈'
local charwidth=3
;;
1)
local spin='-\|/'
local charwidth=1
;;
2)
local spin="▁▂▃▄▅▆▇█▇▆▅▄▃▂▁"
local charwidth=3
;;
3)
local spin="▉▊▋▌▍▎▏▎▍▌▋▊▉"
local charwidth=3
;;
4)
local spin='←↖↑↗→↘↓↙'
local charwidth=3
;;
5)
local spin='▖▘▝▗'
local charwidth=3
;;
6)
local spin='┤┘┴└├┌┬┐'
local charwidth=3
;;
7)
local spin='◢◣◤◥'
local charwidth=3
;;
8)
local spin='◰◳◲◱'
local charwidth=3
;;
9)
local spin='◴◷◶◵'
local charwidth=3
;;
10)
local spin='◐◓◑◒'
local charwidth=3
;;
11)
local spin='⣾⣽⣻⢿⡿⣟⣯⣷'
local charwidth=3
;;
esac
local i=0
tput civis # cursor invisible
while kill -0 $pid 2>/dev/null; do
local i=$(((i + $charwidth) % ${#spin}))
printf "%s" "${spin:$i:$charwidth}"
cursorBack 1
sleep .1
done
tput cnorm
wait $pid # capture exit code
echo "123"
return $?
}
("$@") &
spinner $!
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