recset - Man Page
manipulate fields in a recfile
Synopsis
recset [OPTION]... [FILE]...
Description
Alter or delete fields in records.
- --no-external
don't use external descriptors.
- --force
alter the records even if violating record restrictions.
- --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.
Field selection options
- -f, --fields=FIELDS
comma-separated list of field names with optional subscripts.
Actions
- -s, --set=VALUE
change the value of the selected fields.
- -a, --add=VALUE
add the selected fields with the given value.
- -S, --set-add=VALUE
change the value of the selected fields. If they don't exist then add a new field with that value.
- -r, --rename=NAME
rename the selected fields to a given name. If an entire record set is selected then the field is renamed in the record descriptor as well.
- -d, --delete
delete the selected fields.
- -c, --comment
comment out the selected fields.
Author
Written by Jose E. Marchesi.
Reporting Bugs
Report bugs to: bug-recutils@gnu.org
GNU recutils home page: <https://www.gnu.org/software/recutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Copyright
Copyright © 2010-2020 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 recset is maintained as a Texinfo manual. If the info and recset programs are properly installed at your site, the command
info recutils
should give you access to the complete manual.