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bash - 解析文件并使用一些字段作为变量,使用 header 作为 bash 中的名称

转载 作者:行者123 更新时间:2023-11-29 09:23:39 24 4
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我有一个文件,第一行包含一系列字段,制表符分隔 ( \t )。我正在尝试遍历这些行并将某些字段用作程序的变量。到目前为止,我的代码如下:

    {
A=$(head -1 id_table.txt)
read;
while IFS='\t' read $A;
do
echo 'downloading '$SRA_Sample_s
echo $tissue_s
#out_dir=`echo $tissue_s | sed 's/ /./g'` #Replacing spaces by dots
#/soft/bio/sequence/sratoolkit-2.3.4-2/bin/fastq-dump.2.3.4 --split-3 --outdir $out_dir --ncbi_error_report $SRA_Sample_s
done
} <./id_table.txt

输出(错误):

downloading _s Inser

downloading provided> <no

downloading provided> <no

downloading provided> <no

它失败了,因为它没有正确获取字段。也许 <>人物正在制造困惑?不同文件的列名称顺序不同,并且某些文件中缺少某些列。我被困在这里了。

文件看起来像这样:

BioSample_s MBases_l    MBytes_l    Run_s   SRA_Sample_s    Sample_Name_s   age_s   breed_s sex_s   Assay_Type_s    AssemblyName_s  BioProject_s    BioSampleModel_s    Center_Name_s   Consent_s   InsertSize_l    Library_Name_s  Platform_s  SRA_Study_s biomaterial_provider_s  g1k_analysis_group_s    g1k_pop_code_s  source_s    tissue_s
SAMN02777951 4698 3249 SRR1287653 SRS607026 SL01 19 SL01 female RNA-Seq <not provided> PRJNA247712 Model organism or animal SICHUAN UNIVERSITY public 200 <not provided> ILLUMINA SRP041998 Chengdu Research Base of Giant Panda Breeding <not provided> <not provided> <not provided> blood
SAMN02777952 4451 3063 SRR1287654 SRS607028 XB01 12 XB01 male RNA-Seq <not provided> PRJNA247712 Model organism or animal SICHUAN UNIVERSITY public 200 <not provided> ILLUMINA SRP041998 Chengdu Research Base of Giant Panda Breeding <not provided> <not provided> <not provided> blood
SAMN02777953 4553 3139 SRR1287655 SRS607025 XB02 6 XB02 female RNA-Seq <not provided> PRJNA247712 Model organism or animal SICHUAN UNIVERSITY public 200 <not provided> ILLUMINA SRP041998 Chengdu Research Base of Giant Panda Breeding <not provided> <not provided> <not provided> blood

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