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January 9, 2019 08:42
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create a bed12 file from a ucsc database.
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ORG=$1 | |
mysql --user=genome --host=genome-mysql.cse.ucsc.edu -NA -D $ORG -e \ | |
"select K.chrom,chromStart,chromEnd,X.geneSymbol,G.exonCount,strand from knownCanonical as K, kgXref as X, knownGene as G where | |
X.kgId=K.transcript and G.name=X.kgID;" |
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ORG=$1 | |
mysql --user=genome --host=genome-mysql.cse.ucsc.edu -A -D $ORG -P 3306 -e "select chrom,txStart,txEnd,K.name,X.geneSymbol,strand,exonStarts,exonEnds from knownGene as K,kgXref as X where X.kgId=K.name;" > tmp.notbed | |
grep -v txStart tmp.notbed | awk ' | |
BEGIN { OFS = "\t"; FS = "\t"} ; | |
{ | |
delete astarts; | |
delete aends; | |
split($7, astarts, /,/); | |
split($8, aends, /,/); | |
starts="" | |
sizes="" | |
exonCount=0 | |
for(i=1; i <= length(astarts); i++){ | |
if (! astarts[i]) continue | |
sizes=sizes""(aends[i] - astarts[i])"," | |
starts=starts""(astarts[i] = astarts[i] - $2)"," | |
exonCount=exonCount + 1 | |
} | |
print $1,$2,$3,$5","$4,1,$6,$2,$3,"0",exonCount,sizes,starts | |
}' | sort -k1,1 -k2,2n > knownGene.$ORG.bed12 |
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for refGene, this looks like: