Q. How can a script count the lines in a text file?

I have scripted LineCnt.bat to count the lines in a text file.

The syntax for using LineCnt.bat is:

\[call\] LineCnt FileName Lines

Where:

FileName is the fully qualified file name of the text file.

Lines    is a call directed numeric environment variable that will contain the number of lines in FileName.
LineCnt.bat contains:

@echo off
if \{%2\}==\{\} @echo LineCnt FileName Lines&goto :EOF
set /a %2=0
if not exist %1 LineCnt FileName Lines - %1 NOT FOUND.&goto :EOF
if exist "%TEMP%\LineCnt.vbs" goto doit
@echo Dim objArgs>"%TEMP%\LineCnt.vbs"
@echo Set WshShell = CreateObject("WScript.Shell")>>"%TEMP%\LineCnt.vbs"
@echo Set objArgs = Wscript.Arguments>>"%TEMP%\LineCnt.vbs"
@echo WScript.Echo UBound(Split(CreateObject("Scripting.FileSystemObject").OpenTextFile(objArgs(0),1).ReadAll,vbCrLf)) + 1 >>"%TEMP%\LineCnt.vbs"
:doit
for /f "Tokens=*" %%a in ('cscript //nologo "%TEMP%\LineCnt.vbs" %1') do (
 set /a %2=%%a
)


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