Bash 进度条
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Bash progress bar
提问by Zippyduda
I'm using the following script to go through a large list of domains in whois and find the registrar (useful for server/DNS migrations) and it works fine.
我正在使用以下脚本浏览 whois 中的大量域列表并找到注册商（对服务器/DNS 迁移很有用）并且它工作正常。
However I am wanting to incorporate a progress bar into it just for the sake of convenience. Here's my script, if it can be improved let me know:
但是，为了方便起见，我想在其中加入一个进度条。这是我的脚本，如果可以改进，请告诉我：
#!/bin/bash
for f in `cat /var/www/vhosts/domainlist`
do
if
domain=$f
[ "$domain" ] ;
then
whois $f | grep -i domainregistrar > /dev/null
if
[ $? -le 0 ] ;
then
echo $f >> our_registrar
else
echo $f >> external_registrar
fi
fi
done
echo "Done, check our_registrar file."
I've tried this first: http://moblog.bradleyit.com/2010/02/simple-bash-progress-bar-function.html
我先试过这个：http: //moblog.bradleyit.com/2010/02/simple-bash-progress-bar-function.html
And then thisbut with no luck.
然后这个，但没有运气。
What do you reckon is the easiest way to get a progress bar implemented into that script?
您认为在该脚本中实现进度条的最简单方法是什么？
回答by Ian Brown
Here's a fancy progress bar that you might enjoy...
这是一个您可能会喜欢的精美进度条...
#!/bin/bash
# Slick Progress Bar
# Created by: Ian Brown ([email protected])
# Please share with me your modifications
# Functions
PUT(){ echo -en "3[;H";}
DRAW(){ echo -en "3%";echo -en "3(0";}
WRITE(){ echo -en "3(B";}
HIDECURSOR(){ echo -en "3[?25l";}
NORM(){ echo -en "3[?12l3[?25h";}
function showBar {
percDone=$(echo 'scale=2;'/*100 | bc)
halfDone=$(echo $percDone/2 | bc) #I prefer a half sized bar graph
barLen=$(echo ${percDone%'.00'})
halfDone=`expr $halfDone + 6`
tput bold
PUT 7 28; printf "%4.4s " $barLen% #Print the percentage
PUT 5 $halfDone; echo -e "3[7m 3[0m" #Draw the bar
tput sgr0
}
# Start Script
clear
HIDECURSOR
echo -e ""
echo -e ""
DRAW #magic starts here - must use caps in draw mode
echo -e " PLEASE WAIT WHILE SCRIPT IS IN PROGRESS"
echo -e " lqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk"
echo -e " x x"
echo -e " mqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqj"
WRITE
#
# Insert your script here
for (( i=0; i<=50; i++ ))
do
showBar $i 50 #Call bar drawing function "showBar"
sleep .2
done
# End of your script
# Clean up at end of script
PUT 10 12
echo -e ""
NORM
looks like this:
看起来像这样：
回答by nshy
You can use pvbut the other way.
你可以用pv另一种方式。
for ... # outer loop
do
...
echo -n X
done | pv -s $(wc -l 'your_file_list') - >/dev/null
so you use echo Xto say when another portion of work is done and this is counted
by pv, it's know what the whole job size is due to -soption.
所以你常echo X说当另一部分工作完成时，这是由 pv 计算的，它知道整个工作的大小是由于-s选项。
回答by ivanalejandro0
You could use something like:
你可以使用类似的东西：
progress(){
# example usage:
# progress 30G 9G 30
# 30G [================>.................................] 30% (9G)
# params:
# = total value (e.g.: source size)
# = current value (e.g.: destination size)
# = percent completed
[[ -z || -z || -z ]] && exit # on empty param...
percent=
completed=$(( $percent / 2 ))
remaining=$(( 50 - $completed ))
echo -ne "\r ["
printf "%0.s=" `seq $completed`
echo -n ">"
[[ $remaining != 0 ]] && printf "%0.s." `seq $remaining`
echo -n "] $percent% () "
}
from https://gist.github.com/ivanalejandro0/9159989
来自https://gist.github.com/ivanalejandro0/9159989
You can see an usage example in https://github.com/ivanalejandro0/misc/blob/master/shell-scripts/copy-progress.sh
您可以在https://github.com/ivanalejandro0/misc/blob/master/shell-scripts/copy-progress.sh 中看到一个使用示例
回答by Dunes
Change the outer loop to:
将外循环更改为：
pv /var/www/vhosts/domainlist | while read f
do
...
done
Or you can use any other program that provides a progress bar based on how much a file has been read.
或者，您可以使用任何其他程序，根据读取文件的数量提供进度条。
回答by geirha
Given that you mentioned in a comment that you're on a debian based system, you could use whiptail. When you install a deb package that requires configuration, text-based windows are drawn to ask you stuff; that's whiptail.
鉴于您在评论中提到您使用的是基于 debian 的系统，您可以使用whiptail. 当您安装需要配置的 deb 包时，会绘制基于文本的窗口来询问您的问题；那是whiptail。
Something like
就像是
#!/usr/bin/env bash
# mapfile requires bash 4
mapfile -t domains < /var/www/vhosts/domainlist
# for older bash versions, read can be used in this case.
#IFS=$'\n' read -rd '' -a domains < /var/www/vhosts/domainlist
n=${#domains[@]}
for ((i=0; i < n; ++i)); do
printf 'XXX\n\n%s\nXXX\n' "Checking ${domains[i]}"
if whois "${domains[i]}" | grep -Fiq domainregistrar; then
printf '%s\n' "${domains[i]}" >&3
else
printf '%s\n' "${domains[i]}" >&4
fi
printf '%d\n' $((100*i/n))
done 3>our_registrar 4>external_registrar | whiptail --gauge "" 6 50 0
回答by igustin
I suggest you to use Xdialog, Kdialog or zenity and it's progress option.
我建议您使用 Xdialog、Kdialog 或 zenity 以及它的进度选项。
