[R] selecting and excluding files through a pattern

From: <mauede_at_alice.it>
Date: Thu, 10 Jun 2010 17:24:06 +0200

I have the following files list:

> list.files()
[1] "Prostate-Cancer_cvs_Dir"
[2] "Prostate_Cancer-miRNAs&Genes.Pathway.xml"
[3] "Prostate_Cancer_Pathways-miRNAs-GeneTargets-Dir"
[4] "Prostate_Cancer_Pathways-miRNAs-GeneTargets-Dir.zip"
[5] "Prostate-miRNAs.OrganTargets.txt"
[6] "Prostate_Organ-miRNAs-GenesTargets-Dir"
[7] "Prostate_Organ-miRNAs-GenesTargets-Dir.zip"
[8] "Prostate_Organ-miRNAs-Targets.xml"
[9] "Prostatic_Neoplasm-miRNAs.DiseaseTargets.csv-KO"

[10] "Prostatic_Neoplasm-miRNAs.DiseaseTargets.txt"       
[11] "Prostatic_Neoplasms-miRNAs-GeneTargets-Dir"         
[12] "Prostatic_Neoplasms-miRNAs-GeneTargets-Dir.zip"     
[13] "Prostatic_Neoplasms-miRNAs.xml"                     

I'd like to find the pattern expression which selects only the directories excluding the one whose pathname contains "csv".
I tried:
> list.files(pattern="Prostate*Dir")
But I do not know how to exclude the names containing the string "csv" at the same time.

Thank you for any help,


tutti i telefonini TIM!

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