Powershell script to check if a file exists on remote computer list -

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i'm new @ powershell, , i'm trying write script checks if file exists; if does, checks if process running. know there better ways write this, can please give me idea? here's have:

get-content c:\temp\svchosts\maquinasestag.txt | `    select-object @{name='computername';expression={$_}},@{name='svchosts installed';expression={ test-path "\\$_\c$\windows\svchosts"}}      if(test-path "\\$_\c$\windows\svchosts" eq "true")    {         get-content c:\temp\svchosts\maquinasestag.txt | `         select-object @{name='computername';expression={$_}},@{name='svchosts running';expression={ get-process svchosts}}     }

the first part (check if file exists, runs no problem. have exception when checking if process running:

test-path : positional parameter cannot found accepts argument 'eq'. @ c:\temp\svchosts\testpath remote computer.ps1:4 char:7 +    if(test-path "\\$_\c$\windows\svchosts" eq "true") +       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     + categoryinfo          : invalidargument: (:) [test-path], parameterbindingexception     + fullyqualifiederrorid : positionalparameternotfound,microsoft.powershell.commands.testpathcommand

any appreciated!

the equality comparison operator -eq, not eq. boolean value "true" in powershell $true. , if want compare result of test-path way do, must run cmdlet in subexpression, otherwise -eq "true" treated additional option eq argument "true" cmdlet.

change this:

if(test-path "\\$_\c$\windows\svchosts" eq "true")

into this:

if ( (test-path "\\$_\c$\windows\svchosts") -eq $true )

or (better yet), since test-path returns boolean value, this:

if (test-path "\\$_\c$\windows\svchosts")

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