WHY

gawk -F"|" -v OFS="|" "{for(i=1;i<=NF;i++)$i=sprintf(\"%%.0f\", $i)}1" a.txt > b.txt
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WHY

@if(0)==(0) echo off
type a.txt | cscript //nologo //e:jscript "%~f0"
pause & exit
@end

var s = WSH.StdIn.ReadAll().replace(/\d+\.\d+/g,function(s0){return Math.round(1*s0)});
WSH.Echo(s);
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WHY

PowerShell "$s = (gc a.txt -ReadCount 0) -join \"`r`n\"; $s = [regex]::Replace($s, '(?>[0-9]+)\.[0-9]+',{[Math]::Round($args[0].Value)}); sc b.txt -Value $s"
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