root 01:45:50 /home/rstudio/data/raw
$ ls
sra2fq.log                          SRR7722940_S1_L001_I1_001.fastq.gz
sra2fq.sh                           SRR7722940_S1_L001_R1_001.fastq.gz
SRR7722937_S1_L001_I1_001.fastq.gz  SRR7722940_S1_L001_R2_001.fastq.gz
SRR7722937_S1_L001_R1_001.fastq.gz  SRR7722940.sra
SRR7722937_S1_L001_R2_001.fastq.gz  SRR7722941_S1_L001_I1_001.fastq.gz
SRR7722937.sra                      SRR7722941_S1_L001_R1_001.fastq.gz
SRR7722938_S1_L001_I1_001.fastq.gz  SRR7722941_S1_L001_R2_001.fastq.gz
SRR7722938_S1_L001_R1_001.fastq.gz  SRR7722941.sra
SRR7722938_S1_L001_R2_001.fastq.gz  SRR7722942_S1_L001_I1_001.fastq.gz
SRR7722938.sra                      SRR7722942_S1_L001_R1_001.fastq.gz
SRR7722939_S1_L001_I1_001.fastq.gz  SRR7722942_S1_L001_R2_001.fastq.gz
SRR7722939_S1_L001_R1_001.fastq.gz  SRR7722942.sra
SRR7722939_S1_L001_R2_001.fastq.gz  SRR_Acc_2586-4-List.txt
SRR7722939.sra
root 01:45:51 /home/rstudio/data/raw
$ du -sh SRR7722937_S1_L001_R2_001.fastq.gz
2.4G    SRR7722937_S1_L001_R2_001.fastq.gz
root 01:46:08 /home/rstudio/data/raw
$ du -sh SRR7722937_S1_L001_R1_001.fastq.gz
889M    SRR7722937_S1_L001_R1_001.fastq.gz
root 01:46:28 /home/rstudio/data/raw
$ du -sh SRR7722937_S1_L001_I1_001.fastq.gz
417M    SRR7722937_S1_L001_I1_001.fastq.gz
root 01:46:37 /home/rstudio/data/raw
$ zless -SN SRR7722939_S1_L001_I1_001.fastq.gz
1 @SRR7722939.1 SN367:911:HKMNCBCXY:2:1101:1495:1961 length=8
      2 ACAGAGGT
      3 +SRR7722939.1 SN367:911:HKMNCBCXY:2:1101:1495:1961 length=8
      4 GGGGGIII
      5 @SRR7722939.2 SN367:911:HKMNCBCXY:2:1101:1719:1958 length=8
      6 ACAGAGGT
      7 +SRR7722939.2 SN367:911:HKMNCBCXY:2:1101:1719:1958 length=8
      8 GGGGGIII
      9 @SRR7722939.3 SN367:911:HKMNCBCXY:2:1101:1763:1898 length=8
     10 ACAGAGGT
zless -SN SRR7722938_S1_L001_R1_001.fastq.gz
1 @SRR7722938.1 SN367:911:HKMNCBCXY:1:1103:1102:1848 length=26
      2 AGTGTCAGTATCGCATTGGAATTCCT
      3 +SRR7722938.1 SN367:911:HKMNCBCXY:1:1103:1102:1848 length=26
      4 GGGGGIIIIIIIIIIIIGIGGIIIII
      5 @SRR7722938.2 SN367:911:HKMNCBCXY:1:1103:1062:1901 length=26
      6 CTCGAAATCACATAGCTCTGGGGAAG
      7 +SRR7722938.2 SN367:911:HKMNCBCXY:1:1103:1062:1901 length=26
      8 AGGGAGGGGGGGGIIIGIIGIIIGGG
      9 @SRR7722938.3 SN367:911:HKMNCBCXY:1:1103:1213:1920 length=26
     10 ACTGCTCTCGTGGTCGTCTGTGAGCC
zless -SN SRR7722937_S1_L001_R2_001.fastq.gz
1 @SRR7722937.1 SN367:911:HKMNCBCXY:1:1103:1119:1866 length=98
      2 NNNNNCTGTAATCCCAGCCAGGAGGACTGCTTGAACCCGGGAGGCAGAGGTTTCAGTGAGCTGAGTGCCACTGCACTCCAG
      3 +SRR7722937.1 SN367:911:HKMNCBCXY:1:1103:1119:1866 length=98
      4 #####<.<G<GGAAGGA.AGGGGGGIIIGAAGGGAAGG<AAAAAGGGAAA<GGGGGGGAAGGGAGGGA<GGGGIGGGAAAG
      5 @SRR7722937.2 SN367:911:HKMNCBCXY:1:1103:1182:1935 length=98
      6 GCGAAAAGTCCTAATAGTAGAAGAACCCTCCATAAACCTGGAGTGACTATATGGATGCCCGCCACCCTACCACACATTCGA
      7 +SRR7722937.2 SN367:911:HKMNCBCXY:1:1103:1182:1935 length=98
      8 .GGAGGGG.<.GGG.<AAGGGGGG.G.GGGAG.A.G.AAGGGAAGG.<AG<<GAGGGGAG.<<A...AGAGGGAAA.GGG.
      9 @SRR7722937.3 SN367:911:HKMNCBCXY:1:1103:1398:1864 length=98
     10 NNNNNATCTAATTAAACGTAAGCACTTCTGCACAGGGAAAGAAACTATCATCAGAGTGAACAAGCAACCTATAGAATGGGA
     11 +SRR7722937.3 SN367:911:HKMNCBCXY:1:1103:1398:1864 length=98
     12 #####<.<GGGAGIIIIGGGIIGGIAAAGGGIGIIGIGIIIIGGIIGIAGGIIGIIIIIGGIIGGIGIIIGIIGIGIIIIA
     13 @SRR7722937.4 SN367:911:HKMNCBCXY:1:1103:1327:1903 length=98
     14 AATAGGGTTTACGACCTCGATGTTGGATCAGGACATCCCAATGGTGCAGCCGCTATTAAAGGTTCGTTTTGTTCAACGATT
     15 +SRR7722937.4 SN367:911:HKMNCBCXY:1:1103:1327:1903 length=98