Pad 0 to the right

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# 1  
Pad 0 to the right

I need to pad 0 to a number on the right. to make it 9 digit in total.

My number is 2457

output should be 245700000

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Last edited by RavinderSingh13; 01-10-2020 at 02:36 AM..
# 2  
One way in Bash could be:
n=$(printf "%-9s" 2457)
printf "%s\n" ${n// /0}

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# 3  
printf "%s%0*d\n" ${X} $((9-${#X})) 0
printf "%s%0$((9-${#X}))d\n" ${X}

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# 4  
The latter suggestion is portable.
Once defined as a function it becomes handy:
rightpad0() { printf "%s%0$((${1}-${#2}))d\n" "${2}"; }

rightpad0 9 2457

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