Provided by: ncbi-entrez-direct_24.0.20250523+dfsg-1_amd64 

NAME
ecollect - list NCBI Entrez unique identifiers
SYNOPSIS
ecollect -db name -web str -key N [-days|-reldate N] [-datetype field] [-mindate date] [-maxdate date] ecollect -db name -query str [-days|-reldate N] [-datetype field] [-mindate date] [-maxdate date] ecollect -db name -id str...|-rest str|-input file
DESCRIPTION
ecollect lists unique identifiers from NCBI Entrez, either corresponding to a live query or explicitly supplied. In either case, it presents them one per line in numerical order with any duplicates consolidated.
OPTIONS
Source Specification -db name Entrez database name. Mandatory even when explicitly supplying UIDs. -web str NCBI WebEnv value corresponding to a previous query, optionally subject to further filtering by date. -key N That query's number. -query str Query string. -id str ...|-rest str Existing UID(s) to format; may be internally delimited by whitespace and any punctuation other than . or _. -input file Read UIDs from the specified file. Date Constraint -days|-reldate N Return only results from the past N days. -datetype field Which date field (in abbreviated form) to consider. -mindate date Start of date range. -maxdate date End of date range.
SEE ALSO
cit2pmid(1), combine-uid-lists(1), difference-uid-lists(1), efetch(1), efilter(1), elink(1), esearch(1), exclude-uid-lists(1), intersect-uid-lists(1), nquire(1), xfetch(1), xfilter(1), xlink(1), xsearch(1). NCBI 2025-05-26 ECOLLECT(1)