Good measure to download sequence from NCBI based on acc or gi number

cat file_with_ids.txt | while read p; do echo $p; esearch -db nucleotide -query $p | efetch -format fasta > $p.fasta; done;

cat ginumber.txt| while read p; do echo $p; efetch -db nucleotide -id $p -format gb > $p.gbk; done;

shenzy@SZYENVS:~/work/zhongshan/virus_database$ cat ginumber.txt| while read p; do echo $p; efetch -db nucleotide -id $p -format gb > $p.gbk; done;
AY180661
AY180662
AY180663
AY180664
AY180665
AY180666
AY180667
AY180668
AY180669
AY180670
AY180671
AY180672
AY180673
AY180674
AY180675
AY180676
AY180677