小编Dju*_*ies的帖子

这是我第一次使用read.table遇到此问题：对于具有大量列的行条目，read.table将列条目循环到下一行。

我有一个.txt文件，其中行的长度可变且不相等。作为参考，这是我正在阅读的.txt文件：http ://www.broadinstitute.org/gsea/msigdb/download_file.jsp?filePath=/resources/msigdb/4.0/c5.bp.v4.0.symbols.gmt

这是我的代码：

tabsep <- gsub("\\\\t", "\t", "\\t")
MSigDB.collection = read.table(fileName, header = FALSE, fill = TRUE, as.is = TRUE, sep = tabsep)

部分输出：第一列

                                 V1                                                                               V2     V3     V4      V5      V6
1                   TRNA_PROCESSING                  http://www.broadinstitute.org/gsea/msigdb/cards/TRNA_PROCESSING  ADAT1  TRNT1   FARS2
2  REGULATION_OF_BIOLOGICAL_QUALITY http://www.broadinstitute.org/gsea/msigdb/cards/REGULATION_OF_BIOLOGICAL_QUALITY   DLC1   ALS2  SLC9A7
3             DNA_METABOLIC_PROCESS            http://www.broadinstitute.org/gsea/msigdb/cards/DNA_METABOLIC_PROCESS  XRCC5  XRCC4  RAD51C
4     AMINO_SUGAR_METABOLIC_PROCESS    http://www.broadinstitute.org/gsea/msigdb/cards/AMINO_SUGAR_METABOLIC_PROCESS   UAP1   CHIA  GNPDA1
5      BIOPOLYMER_CATABOLIC_PROCESS     http://www.broadinstitute.org/gsea/msigdb/cards/BIOPOLYMER_CATABOLIC_PROCESS   BTRC HNRNPD    USE1
6             RNA_METABOLIC_PROCESS            http://www.broadinstitute.org/gsea/msigdb/cards/RNA_METABOLIC_PROCESS HNRNPF HNRNPD SYNCRIP
7                             INTS6                                                                             LSM5   LSM4   LSM3    LSM1
8                               CRK                                                                                                       
9          GLUCAN_METABOLIC_PROCESS         http://www.broadinstitute.org/gsea/msigdb/cards/GLUCAN_METABOLIC_PROCESS    GCK …