recset(1) manipulate fields in a recfile


recset [OPTION]... [FILE]...


Alter or delete fields in records.
don't use external descriptors.
alter the records even if violating record restrictions.
print a help message and exit.
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.


-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.


Written by Jose E. Marchesi.


Report bugs to: [email protected]
GNU recutils home page: <>
General help using GNU software: <>


Copyright © 2010, 2011, 2012, 2013, 2014 Jose E. Marchesi. License GPLv3+: GNU GPL version 3 or later <>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.