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Problem with miRDeep2.pl

Hi everyone!

I have a problem with miRNA prediction analysis with miRDeep2. I have just run the mapper module and it worked well. When I use the miRDeep2.pl module, I got this error:

Error: problem with reads_collapsed.fa
/usr/bin/env: "perl -W": file or directory not found

Can anyone help me with this issue? Thanks in advance!

next-gen mirna mirdeep2
/home/aga/Scrivania/SimoneF/miRDeep2.pl reads_collapsed_prova.fa equcab3_220218.fa reads_vs_refdb_prova_refcancellate.arf none none none

I generated the .fa and the .arf files with the mapper module. The error I got comes from this command

Do you have a file called reads_collapsed.fa in the directory you are running the command in?

    aga@THOR:~/Scrivania/SimoneF/mirdeep2-master/src$ /home/aga/Scrivania/SimoneF/miRDeep2.pl reads_collapsed_prova.fa equcab3_220218.fa reads_vs_refdb_prova_refcancellate.arf none none none 


#####################################
#                                   #
# miRDeep2.0.0.8                    #
#                                   #
# last change: 20/06/2017           #
#                                   #
#####################################

miRDeep2 started at 16:4:31


#Starting miRDeep2
#Starting miRDeep2
/home/aga/Scrivania/SimoneF/miRDeep2.pl reads_collapsed_prova.fa equcab3_220218.fa reads_vs_refdb_prova_refcancellate.arf none none none

miRDeep2 started at 16:4:31


mkdir mirdeep_runs/run_30_11_2018_t_16_04_31

#testing input files
#testing input files
sanity_check_reads_ready_file.pl reads_collapsed_prova.fa

started: 16:4:32
Error: problem with reads_collapsed_prova.fa
/usr/bin/env: "perl -W": File o directory non esistente
aga@THOR:~/Scrivania/SimoneF/mirdeep2-master/src$

Yes I have that file. In fact the sanity check for it works well

Error: problem with reads_collapsed_prova.fa

Just to be sure is that file in proper format e.g. not empty, not corrupt, has the content the program expects.

Ok, thank you. Have you ever faced with this kind of error? (/usr/bin/env: "perl -W": file or directory not found)

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