script to read text and remove certain emails?

[devWhiz]

I have a huge list of emails in a text file in this format

 

spankthatdoot@live.com, d00talicious@aol.com, peekaboom2009@live.com, d00tzpetbyrd@aol.com, mamalucious2007@yahoo.com, d00tch3rrybo0@yahoo.com, d00tw00t3r@gmail.com, bogeystar@earthlink.net, only4mobsters2@hotmail.com, elbobman@yahoo.com, elbobman@hotmail.com, cranoke24@yahoo.com, kara_johansen@hotmail.com, randyfarmer_33@yahoo.com, reawakining666@yahoo.com, carlosm2k@yahoo.com, cannette21@aol.com, jes2tngo@yahoo.com, lanenaema@yahoo.com, blainedead@bellsouth.net, buckchaser101@aol.com, lunar.sea@hotmail.com, xr_ghost@hotmail.com, rebeljuice1@hotmail.com, lilpoca313@yahoo.com, cricket0273@yahoo.com, gidget21973@yahoo.com, sweety161@t-online.de, wantab_jerry@yahoo.com, meredith_emerald@yahoo.com, israel@jokersjewels.com, bethosu94@yahoo.com, mustheartpandas@gmail.com, huan_nguy3n@yahoo.com, djtallen03@yahoo.com, jxl95@aol.com, wildman08083@live.com, mileshh82@yahoo.com, nicktheiscar@yahoo.com, dukies32@yahoo.com, rolys12@yahoo.com, lx2408@aol.com, jaymz_disposition@yahoo.com, dderoch@yahoo.com, no.one@domain.adr, 

 

I need a script to read the list and make a new list only including the yahoo, ymail or rocketmail email address in the format like this

 

email@yahoo.com
email@rocketmail.com
email@ymail.com
email@yahoo.com
email@yahoo.com

 

so it would just need to remove all of the emails from the list that are not yahoo, rocketmail or ymail as well as the commas and put them in another text in the above format,

 

if anyone is able to help me out with this is would be appreciated!

 

thanks!

[devWhiz]

so say I have this list in the file

 

diplomarc4@gmail.com, texmex1073@yahoo.com, mexamer73@yahoo.com, virtuus73@yahoo.com, kingpuncher1@yahoo.com, bigcitykillaS@aol.com, impeaches33@gmail.com

 

after running the script, the output file should look like this

 

texmex1073@yahoo.com
mexamer73@yahoo.com
virtuus73@yahoo.com
kingpuncher1@yahoo.com

 

script would remove

 

diplomarc4@gmail.com, bigcitykillaS@aol.com, impeaches33@gmail.com

 

is this possible?

[WebStyles]

use file_get_contents to load the file. explode to seperate the emails into an array, and a foreach loop to remove the ones you don't want.