[ fxtools take
]
Summary
This command will take a certain number of records from your input fastx
Expected Input
>AP2S1_a
ACTG
>AP2S1_b
ACTT
>AP2S2_a
CCCT
Expected Output (take 2)
>AP2S1_a
ACTG
>AP2S1_b
ACTT
Usage
# standard take (taking 3 records from the top)
fxtools take -i <fastx> -n 3
# standard take (skipping 2 and then taking 3 records)
fxtools take -i <fastx> -s 2 -n 3
# from pipeline
# filtering for a sequence pattern, and then taking the first 30 hits
fxtools filter -i <fastx> -p "ACTCGCG" | fxtools take -n 30