Shell Progress bar

The tput and printf functions are required to print the progress bar in the shell.

# tput Row col cursor moves to row row column Col

# tput cols Gets the maximum number of columns in a window

# tput lines Get window max running script

# echo $LINENO Get the current line number of the cursor

function Getprostr ()
{
Pchar=$1
Ptotal=$2
Outstr= ""

Numcol= ' tput cols '
coltotal=$[$numcol/2/$ptotal]

For ((i=1;i<= $coltotal; i++));
Do
Outstr= "$outstr $pchar";
Done
Echo $outstr
}
function Progresshead ()
{
Outstr= ""
Ptotal=$1
Row=$2

Str= ' getprostr '-' $ '
For ((i=1;i<= $ptotal; i++));
Do
Outstr= "$outstr $str";
Done
Tput Cup $row 0
echo "$outstr-"
}
function Progress ()
{
Tput SC

Pvalue=$1
Ptotal=$2
Row=$3
Numcol= ' tput cols '

Gstr= ' getprostr ' = ' $ptotal '
Str= "$gstr >"
if [$pvalue = = $ptotal]; Then
str= "$GSTR ="
Fi

barcol=$[($pvalue-1) * (${#str}-1)]
percent=$[$pvalue *100/ptotal]

Tput Cup $row $barcol
echo "$str"
Tput Cup $row $[$numcol/2]
echo "[$percent%]"

Tput RC
}

Clear
cols= ' tput cols '
Rows= ' tput lines '
Curline= $LINENO

Progresshead 5 $[$LINENO-$curline-2]
progressrow=$[$LINENO-$curline-2]
#echo ""
Progresshead 5 $[$LINENO-$curline-3]

Progress 1 5 $progressrow
Sleep 1
Progress 2 5 $progressrow
Sleep 1
Progress 3 5 $progressrow
Sleep 1
Progress 4 5 $progressrow
Sleep 1
Progress 5 5 $progressrow

Output Result:

-----------------------------------------

========================================[100%]

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This article is from the "small Hebebe Technology Space" blog, please be sure to keep this source http://babyhe.blog.51cto.com/1104064/1612009

Shell Progress bar