I'm trying to find a string and add the string needed for a program.
I need the code to look to see if the action = run fast already exists and if so do nothing.
$Input = GetContent "${Env:ProgramFiles}\myprogram\file.conf"
$replace = #"
[MyAction_Log]
action = run fast
"#
$Input -replace ('action = run fast') -replace ('\[MyAction_Log\]',$replace) | set-content "${Env:ProgramFiles}\myprogram\file.conf"
I would check before wantonly replacing things you think exist. Also, never use $Input as a variable name; it's an automatic variable and won't do what you think it will (treat it as read-only).
$path = "$Env:ProgramFiles\prog\file.conf"
$file = Get-Content -Path $path
$replacementString = #'
[MyAction_Log]
action = run fast
'#
if ($file -notmatch 'action\s=\srun\sfast')
{
$file -replace '\[MyAction_Log\]', $replacementString |
Set-Content -Path $path
}
An alternative that's able to cope with the action key being located anywhere in the [MyAction_Log] section
$Inside = $False
$Modified = $False
$Path = "$( $env:ProgramFiles )\prog\file.conf"
$NewLines = Get-Content $Path |
ForEach-Object {
if( $_.Trim() -like "[*]" ) { $Inside = $False }
if( $_.Trim() -like "*[MyAction_Log]*" ) { $Inside = $True }
If( $Inside -and $_ -like "action = *" -and $_ -notlike "*run fast*" ) { $Modified = $True; "action = run fast" } else { $_ }
}
If( $Modified ) { $NewLines | Set-Content $Path }
Related
I'm trying to add a line in a .sln file before the $pattern. The only problem is that when I try to add the $firstOccurrence condition in the if statement it doesn't add anything at all. It still triggers the Write-Debug.
The first occurrence part is now commented out but I can't seem to find out why it doesn't write anything when I set the first occurrence.
Original source to my solution can be found here:
How to declare a variable and its type is Boolean in PowerShell?
$firstOccurrence = $true;
$pattern = "Global"
(Get-Content $fileName) | Foreach-Object {
#if ($firstOccurrence) {
if ($_ -match $pattern) {
Write-Debug "test"
$firstOccurrence = $false
#Add Lines after the selected pattern
"aaaaaaaaaaaaaaaaaaaaaaa"
}
#}
# send the current line to output
$_
} | Set-Content $fileName
You could also do this using (very fast) switch -Regex like:
$fileName = 'D:\Test\blah.txt'
$firstOccurrence = $true
$pattern = "Global"
$insert = "aaaaaaaaaaaaaaaaaaaaaaa"
$newContent = switch -Regex -File $fileName {
$pattern {
if ($firstOccurrence) {
$insert
$firstOccurrence = $false
}
$_
}
default { $_ }
}
$newContent | Set-Content $fileName -Force
Or did you perhaps mean this:
$fileName = 'D:\Test\blah.txt'
$pattern = "Global"
$insert = "aaaaaaaaaaaaaaaaaaaaaaa"
((Get-Content -Path $fileName -Raw) -split $pattern, 2) -join "$insert $pattern" | Set-Content $fileName -Force
?
Modifying the Mozilla Firefox Pref.js file using PowerShell.
Need to modify the pref.js file line to reflect a new value
(Hence, instead of any value under user_pref("network.automatic-ntlm-auth.trusted-uris", "*"); to show user_pref("network.automatic-ntlm-auth.trusted-uris", ".abc.com,.abcd.com,.abcde.com") or just add changes after the *
$TopDir = "$env:APPDATA\Mozilla\Firefox\Profiles"
$FileName = 'prefs.js'
$DefaultProfileDir = (Get-ChildItem -LiteralPath $TopDir -Directory).
Where({
$_.FullName -match '\.default'
}).FullName
$FullFileName = Join-Path -Path $DefaultProfileDir -ChildPath $FileName
$data = foreach($line in Get-Content $FullFileName)
{
if($line -contains 'user_pref("network.automatic-ntlm-auth.trusted-uris".*')
{
$line -replace '*' , 'user_pref("network.automatic-ntlm-auth.trusted-uris", ".abc.com,.abcd.com,.abcde.com");'
}
else
{
$line
}
}
$data | Set-Content C:\testfolder\test2.txt
Nelson,
I didn't have your line in my FF profile but I got the code to work on another line so you should be able to modify it to work with yours.
$TopDir = "G:\Test"
$FileName = 'prefs.js'
$FullFileName = "$TopDir\$FileName"
Clear-Host
$Data = foreach($line in Get-Content $FullFileName) {
if( ($line.IndexOf('browser.bookmarks.restore_default_bookmarks')) -ne -1)
{
If ($line.IndexOf('false') -ne -1) {
$line = $line.replace( 'false' , 'true')
}
}
$line
}
$data | Set-Content $("$TopDir" + "\prefs2.js")
I think your code would be:
$TopDir = "$env:APPDATA\Mozilla\Firefox\Profiles"
$FileName = 'prefs.js'
$DefaultProfileDir = (Get-ChildItem -LiteralPath $TopDir -Directory).
Where({
$_.FullName -match '\.default'
}).FullName
$FullFileName = Join-Path -Path $DefaultProfileDir -ChildPath $FileName
$Data = foreach($line in Get-Content $FullFileName) {
if( ($line.IndexOf('network.automatic-ntlm-auth.trusted-uris')) -ne -1)
{
If ($line.IndexOf('*') -ne -1) {
$line = $line.replace( '*' , 'abc.com,.abcd.com,.abcde.com')
}
}
$line
}
$data | Set-Content C:\testfolder\test2.txt
Note: -contains is designed for lists.
HTH
I extended it to be easier to use any property
Input
user_pref("foo", "bar")
user_pref("network.automatic-ntlm-auth.trusted-uris", "*")
Output
user_pref("foo", "bar")
user_pref("network.automatic-ntlm-auth.trusted-uris", ".abc.com,.abcd.com,.abcde.com")
$lines = 'user_pref("foo", "bar")', 'user_pref("network.automatic-ntlm-auth.trusted-uris", "*")'
# multi-line regex for readability
$regex = '(?x)
(?<prefix>user_pref\()
(?<name>
".*"
)
\s*,\s*
(?<value>
".*"
)
(?<suffix>.*)
'
"`ninput:"
$lines
"`noutput:"
$lines | ForEach-Object {
if($_ -match $regex) {
if($matches.name -eq '"network.automatic-ntlm-auth.trusted-uris"') {
$_ = '{0}{1}, {2}{3}' -f #(
$Matches.prefix,
$Matches.name,
'".abc.com,.abcd.com,.abcde.com"',
$Matches.suffix
)
}
}
$_
}
i have the following script but it does never end executing.
what could be the issue ? I tried to debug it but apparently it works correctly with a single file, but when I throw it against a folder full of content fails.
$path = split-path -parent $MyInvocation.MyCommand.Definition
$files = Get-ChildItem "$path\CodeForCertification\5_SourceCode\*" -Include *.c,*.h -Recurse | where{
! $_.PSIsContainer
}#$PSScriptRoot
ForEach ($file in $files){
$data = Get-Content -Path $file.FullName
$feature = Get-Content "$path\Disabled_Features.txt"
#[System.ArrayList]$Modifier
$nl=[Environment]::NewLine
$Modifier=#()
$flag=0
$data = $data | ForEach-Object -Begin {
$ignore = $false; $levels = 0
} -Process {
for($counter=0; $counter -lt $feature.Count; $counter++){
$parse = $feature[$counter]
if($_ -match "^#ifdef $parse" -And $flag -eq '0') {
$ignore = $true
$flag = 1;
}
}
if($ignore) {
if ($_ -match "^#ifdef") {
$levels++
}elseif ($_ -match "#endif") {
if($levels -ge 1) {
$levels--
if($levels -eq '0'){
$ignore = $false
}
}
}
}else {
$flag=0
$temp=$_
$_
$Modifier+="$temp"
}
}
$data | Out-File $file.FullName
}
OK, Jackson, let's solve your problem before you enter some kind of question spam filter ;-)
Consider this (just put it somewhere at the start of your script):
function RemoveUndesiredFeatures([string[]]$lines,[string[]]$undesiredFeatures)
{
$inIgnoreBlock = $false
$nestingLevel = 0
foreach ($line in $lines)
{
if ($inIgnoreBlock)
{
# Only search for nested blocks and end of block
if ($line -like "#ifdef*")
{
$nestingLevel++
}
elseif ($line -like "#endif*")
{
$nestingLevel--
}
if ($nestingLevel -eq 0)
{
$inIgnoreBlock = $false
}
}
else
{
# Search for undesired feature
$isIfdefMatch = $line -match "#ifdef (?<feature>\w+)"
if ($isIfdefMatch -and ($Matches.feature -in $undesiredFeatures))
{
# Ignore Feature
$inIgnoreBlock = $true
$nestingLevel++
}
else
{
# Output line
$line
}
}
}
}
Here is my example to use it:
$undesiredFeatures = #("F1","F2") # Just as example. Get-Content on a file with features is also fine
$files = Get-ChildItem *.c,*.h -Recurse # Again, just as example
foreach ($file in $files)
{
$lines = Get-Content $file.FullName
$changedLines = RemoveUndesiredFeatures $lines $undesiredFeatures
if ($changedLines.Count -ne $lines.Count)
{
# Features were removed. Write out changed file (to a different file to preserve my test files)
Set-Content -Value $changedLines -Path "$($file.FullName).changed"
}
}
I need to search through multiple files and underneath specific lines i need to insert lines referenced previously in each respective file. So far i cannot get my script to work at all.
This is what i have so far :
$TextLocation = "M:\test"
$files = get-childitem -filter *.gto -path $TextLocation
Foreach ($file in $files) {
$pagetitle = "DS_PGSEQ-DC:"
$a = Get-Content $file.FullName | Select-String "AssignedToUserID-TZ"
$b = Get-Content $file.FullName | Select-String "EFormID-TZ"
Foreach ($line in $file)
{
if([String]$line -eq "DS_PGSEQ-DC:0001")
{
}
elseif([String]$line -eq $pagetitle)
{
Add-Content $file.FullName ($a -and $b)
}
}
}
There are two common ways for inserting text into a text file:
Process the input file(s) line-by-line, write the output to a temporary file and replace the input file(s) with them temp file afterwards.
for ($file in $files) {
$filename = $file.FullName
Get-Content $filename | % {
if ( $_ -match 'seach pattern' ) {
$_
"new line"
}
} | Out-File $tempfile
MoveItem $tempfile $filename -Force
}
Read the entire content of the file(s), insert the text by using a regular expression replacement, and write the modified content back to the file(s).
for ($file in $files) {
$text = [System.IO.File]::ReadAllText($file.FullName)
$text -replace '.*search pattern.*', "`$0`nnew line" |
Out-File $file.FullName
}
$TextLocation = "M:\test"
$Outputlocation = "M:\test\output"
$files = get-childitem -filter *.gto -path $TextLocation
Foreach ($file in $files) {
$pattern = "\d\d\d[2-9]"
$found=$false
$contains=$false
$lines = Get-Content($file.FullName) |
Foreach-object {
if ($_ -match "AssignedToUserID-TZ") {
$a = $_
}
if ($_ -match "EFormID-TZ") {
$b = $_
}
if ($_ -match "DS_PGSEQ-DC:$pattern") {
if($found -eq $false) {
$found=$true
}
} else {
$found=$false
}
if ($found -eq $true) {
$contains=$true
#Add Lines after the selected pattern
$_
$a
$b
}
if ($found -ne $true) {
$_
}
} | Set-Content($Outputlocation + "\" + $file.Name)
}
I want to create a powershell script that will edit a config file (apache httpd.conf) and if I find
#keyword
some data
#keyword
the I replace the data between the #keyword else I add the #keywords with the data.
Can someone give me some help
Thank you
$fileName = "..\..\apache\conf\extra\httpd-vhosts.conf"
$found = $false
$contains = $false
$kw = "##xceed.localhost"
$text = "A
BBBB
C"
(Get-Content ( $fileName )) |
Foreach-Object{
if($_ -match $kw)
{
if($found -eq $false)
{
$found=$true
}else
{
$found=$false
}
if($found -eq $true)
{
$contains=$true
#Add Lines after the selected pattern
$kw
$text
}
}
if($found -ne $true)
{
$_
}
} | Set-Content( $fileName )
if($contains -eq $false)
{
$value=($kw+"`r`n"+$text+"`r`n"+$kw)
Add-Content $fileName $value
}