The input file is as the following:
(py37) [zhangwenping@localhost clean_data_wuqi] read_fastx.py -l 70 CRR055205_paired.1.fastq > /dev/null
(py37) [zhangwenping@localhost clean_data_wuqi] more CRR055205_paired.1.fastq
@HWI-ST531R:260:C4GKMACXX:3:1101:1954:1955 1:N:0:GTCTG
TAAAGTATACATTTATAATTAGTTAGGAGAAGAATTTATGTCGTTTTCAGC
+
CCCFFEDEHHHHGJJJIJJJJJHIJJJGGJIJIJJJJIIJHIJHIIJJIJI
@HWI-ST531R:260:C4GKMACXX:3:1101:2131:1942 1:N:0:GTCTG
TCANCAGTCATTATTGCTTCACCATGAACTTCAAAAAAATCACCCGTTG
+
@@@#4ADDHHHHHEIHEIJIIIJJJJJIJIJJIIJJIJJGBDFFHHAEH
@HWI-ST531R:260:C4GKMACXX:3:1101:2108:1942 1:N:0:GTCTG
CATNTTTATCATTAACTGGTCGAACAAGAATGTCAAATAATTGGGGATCGG
+
CCC#4ADFHHHHHJJJJJJHIJJJIJJJHIJJJJJJJJJJJJJJJIFGIIJ
@HWI-ST531R:260:C4GKMACXX:3:1101:2487:1994 1:N:0:GTCTG
GTCATAGATTAAGGCATGAAGAAAACTATTGTGAAGAAATTAATCTCAA
+
?@@DFDD?CFFFFHIIIGEHIIIIGEC@HICFDGHGEGHGHIICDG>DH
@HWI-ST531R:260:C4GKMACXX:3:1101:2647:1943 1:N:0:GTCTG
AGTNGTGTCGTGTGTTGAGGGTGTTATGGAACCTGTATTTATTGACATCTG
+
@@?#4=BDFFFFBGFFEEGII1CCFEGEIDFFIIFDEGIICGIIFFIEFII
@HWI-ST531R:260:C4GKMACXX:3:1101:2676:1948 1:N:0:GTCTG
CCGNTTGGTACAATAATTCATACAGGAGATTTTAAAATAGACTATACTCCA
+
@@C#4ADDBFHHHJJJJJIJDHJJJJIIFHGIJIIIJEEGHIHIJIJJIJJ
@HWI-ST531R:260:C4GKMACXX:3:1101:2694:1962 1:N:0:GTCTG
TTTAAGACAAATTCAAGATGGGATAGAGCTATTTATACTTGGACTAGGAAG
+
CCCFFFFFHHHHHJJIJIJJJJIJIJJJJJJJJJIGJJJJJJJJJIJJIII
@HWI-ST531R:260:C4GKMACXX:3:1101:2570:1982 1:N:0:GTCTG
CTATATCATTAAATCCATCCTTATTGAGAGTTTCTATGATTGCTGCAAAAACTTC
+
CCCFDFDFHHFHHIIHIIIGIJIHHJHIHIAHHGIGGIJIJIJJJJJIIHJJIJJ
(py37) [zhangwenping@localhost clean_data_wuqi]$