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Linux 如何将第一列中的文本附加到所有列_Linux_Bash_Awk - Fatal编程技术网

Linux 如何将第一列中的文本附加到所有列

Linux 如何将第一列中的文本附加到所有列,linux,bash,awk,Linux,Bash,Awk,我有一个以制表符分隔的大文件,它看起来像: rhaB: IENJKMAH_01395 MACAJNEK_00455 OLCKBDOH_04002 PMOGBMCF_03363 ANGDFNGL_03589 exuT_1: OLCKBDOH_00247 EHNKCCHC_00463 MACAJNEK_00987 PMOGBMCF_00492 LPCGNNBB_01394 recA: OLCKBDOH_01231 MOEFEGAP_03152 JFGDENGL_01411

我有一个以制表符分隔的大文件,它看起来像:

rhaB:   IENJKMAH_01395  MACAJNEK_00455  OLCKBDOH_04002  PMOGBMCF_03363  ANGDFNGL_03589
exuT_1: OLCKBDOH_00247  EHNKCCHC_00463  MACAJNEK_00987  PMOGBMCF_00492  LPCGNNBB_01394
recA:   OLCKBDOH_01231  MOEFEGAP_03152  JFGDENGL_01411  DNGGHEME_03701  KFALDAGO_00482
lldP:   OLCKBDOH_02876  EHNKCCHC_01431  HHOCJGFI_02180  MACAJNEK_01950  KDLNNIOI_00263
我想将第一列中的文本添加到每列内容的末尾,以便输出如下所示

rhaB:   IENJKMAH_01395_rhaB MACAJNEK_00455_rhaB OLCKBDOH_04002_rhaB PMOGBMCF_03363_rhaB ANGDFNGL_03589_rhaB
原因是我必须最终删除第一列,并且我希望能够回溯这些ID

awk方法:

awk '{suffix=substr($1,1,length($1)-1); for(i=2;i<=NF;i++) $i=$i"_"suffix}1' file

suffix=substr($1,1,length($1)-1)
-获取不带尾随的
st列值:


for(i=2;太好了。也谢谢你提供的详细信息。
rhaB: IENJKMAH_01395_rhaB MACAJNEK_00455_rhaB OLCKBDOH_04002_rhaB PMOGBMCF_03363_rhaB ANGDFNGL_03589_rhaB
exuT_1: OLCKBDOH_00247_exuT_1 EHNKCCHC_00463_exuT_1 MACAJNEK_00987_exuT_1 PMOGBMCF_00492_exuT_1 LPCGNNBB_01394_exuT_1
recA: OLCKBDOH_01231_recA MOEFEGAP_03152_recA JFGDENGL_01411_recA DNGGHEME_03701_recA KFALDAGO_00482_recA
lldP: OLCKBDOH_02876_lldP EHNKCCHC_01431_lldP HHOCJGFI_02180_lldP MACAJNEK_01950_lldP KDLNNIOI_00263_lldP
awk '{suffix=substr($1,1,length($1)-1); for(i=2;i<=NF;i++) $i=$i"_"suffix}1' file | column -tx
rhaB:    IENJKMAH_01395_rhaB    MACAJNEK_00455_rhaB    OLCKBDOH_04002_rhaB    PMOGBMCF_03363_rhaB    ANGDFNGL_03589_rhaB
exuT_1:  OLCKBDOH_00247_exuT_1  EHNKCCHC_00463_exuT_1  MACAJNEK_00987_exuT_1  PMOGBMCF_00492_exuT_1  LPCGNNBB_01394_exuT_1
recA:    OLCKBDOH_01231_recA    MOEFEGAP_03152_recA    JFGDENGL_01411_recA    DNGGHEME_03701_recA    KFALDAGO_00482_recA
lldP:    OLCKBDOH_02876_lldP    EHNKCCHC_01431_lldP    HHOCJGFI_02180_lldP    MACAJNEK_01950_lldP    KDLNNIOI_00263_lldP