I needed to go through every file in a folder and all of its sub directories and open each file and replace a given string. This is what I finally came up with. I'm sure that this can be improved on though... function ReplaceText($fileInfo) { if( $_.GetType().Name -ne 'FileInfo') { # i.e. reject DirectoryInfo...
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From: Desert Code Camp 2007 Speaker: Anthony Park Notes: Basics: { - delineates a block of code. $ - precedes a variable -eq is 'equal' -ne is 'not equal' = is assignment Store time intensive command results in a variable for later use. e.g.: $b = Get-EventLog System $_ is the self (this) variable. Pipe...
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I've just discovered something interesting in my ventures into Powershell. If a directory has a single file in it then the Get-ChildItem in that directory will return a System.IO.FileSystemInfo object but if there are 2 or more files then it will return a System.Array object.
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I recently bought a book on CD and ripped it to .wma so that I could listen to it on my portable media player. When the tracks rip to disk they get named with the track number starting first. I wanted to rename the files so that the two digit disc number preceded the track number so that I could sort all of the tracks in one folder and listen to them in the correct order. Here's a Powershell script that I ran from the folder one below the ripped discs' folders.
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I recently came across Scott Hanselman's Hansel Minutes and it looked like the sort of thing that I wanted to listen to. At the time I found it the archives had 109 podcasts. I wanted to download them all and stick them on my MP3 player but didn't want to click through to each link and repeat myself 109 times. I'm a big fan of the DRY principal. So I wrote a Powershell script to do it for me.
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For whatever reason I always forget the syntax to quickly find text in a bunch of source files from Powershell. Here it is so I can quickly look it up again:
Get-ChildItem -include *.cs -recurse | Select-String "string to search for"
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