remove duplicate from text file based upon column


i have text file has format , ends each line crlf. want remove dups file. found few examples seemed double file size when creating new file without dups and
seemed usable. take file use sql(dts) load text file table. want scrub text file before loading.

 

"test1"|"455"|"34166"|"06/23/11"
"test2"|"450"|"34167"|"06/23/11"
"test2"|"450"|"34167"|"06/23/11"

 thanks.

 

add out-file.

gc file.txt | sort -uniqu | out-file result.txt

or

gc file.txt | sort {$_.split("|")[2]} -unique | out-file result.txt



Windows Server  >  Windows PowerShell



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