recsel
Print records from a recfile: a human-editable, plain text database.
TLDR
Extract name and version field
Use "~" to match a string with a given regular expression
Use a predicate to match a name and a version
SYNOPSIS
recsel [OPTION]... [-t TYPE] [-j FIELD] [-n INDEXES | -e RECORD_EXPR | -q STR | -m NUM] [-c | (-p|-P) FIELD_EXPR] [FILE]...
DESCRIPTION
Select and print rec data.
- -d, --include-descriptors
print record descriptors along with the matched records.
- -C, --collapse
do not section the result in records with newlines.
- -S, --sort=FIELD,...
sort the output by the specified fields.
- -G, --group-by=FIELD,...
group records by the specified fields.
- -U, --uniq
remove duplicated fields in the output records.
- -s, --password=STR
decrypt confidential fields with the given password.
- --help
print a help message and exit.
- --version
show version and exit.
Record selection options:
- -i, --case-insensitive
make strings case-insensitive in selection expressions.
- -t, --type=TYPE
operate on records of the specified type only.
- -e, --expression=RECORD_EXPR
selection expression.
- -q, --quick=STR
select records with fields containing a string.
- -n, --number=NUM,...
select specific records by position, with ranges.
- -m, --random=NUM
select a given number of random records.
- -j, --join=FIELD
perform an inner join using the specified field.
Output options:
- -p, --print=FIELDS
comma-separated list of fields to print for each matching record.
- -P, --print-values=FIELDS
as -p, but print only the values of the selected fields.
- -R, --print-row=FIELDS
as -P, but separate the values with spaces instead of newlines.
- -c, --count
print a count of the matching records instead of the records themselves.
Special options:
- --print-sexps
print the data in sexps instead of rec format.
REPORTING BUGS
Report bugs to: bug-recutils@gnu.org
GNU recutils home page: <http://www.gnu.org/software/recutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
COPYRIGHT
Copyright © 2010-2019 Jose E. Marchesi. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for recsel is maintained as a Texinfo manual. If the info and recsel programs are properly installed at your site, the command info recutils should give you access to the complete manual.
AUTHOR
Written by Jose E. Marchesi.