Some scripts providing assembly statistics
######requirement: This R script requires obviously R, but also the "optparse" library (see : https://cran.r-project.org/web/packages/optparse/index.html). Ask for two arguments, an input file with contig's names and contig's length, and an output filename. It produces a tab-separated tabular.
head -n 3 exemple.fasta.statsize
TRINITY_DN21478_c0_g1_i1 294
TRINITY_DN21454_c0_g1_i1 208
TRINITY_DN21435_c0_g1_i1 221
./DescriptionAssemblage.R exemple.fasta.size exemple.fasta.stat
cat exemple.fasta.stat
RowNames res
Number of contigs 31732
total size of contigs 17478906
Shortest contigs 297
Longest contigs 14652
Number of contigs > 500 11144
Number of contigs > 1k 2812
Number of contig > 10k 3
mean contig size 551
median contig size 417
N50 contig length 558
```