Search results for "module:Fsdb::Filter::dbcolsplittocols"
Fsdb::Filter::dbcolsplittocols - split an existing column into multiple new columns
Create new columns by splitting an existing column. The fragments of the column are each divided by ElementSeparator (default is underscore). This command is the opposite of dbcolmerge. Names of the new columns are given by splitting the name of the ...
JOHNH/Fsdb-3.4 - 06 Jan 2024 06:43:43 UTC
Fsdb::Filter::dbcolmerge - merge multiple columns into one
For each row, merge multiple columns down to a single column (always a string), joining elements with ElementSeparator (defaults to a single underscore)....
JOHNH/Fsdb-3.4 - 06 Jan 2024 06:43:43 UTC
Fsdb::Filter::dbpipeline - allow db commands to be assembled as pipelines in Perl
This module makes it easy to create pipelines in Perl using separate processes. (In the past we used to use perl threads.) By default (as with all Fsdb modules), input is from STDIN and output to STDOUT. Two helper functions, fromfile and tofile can ...
JOHNH/Fsdb-3.4 - 06 Jan 2024 06:43:43 UTC
Fsdb::Filter::dbfilepivot - pivot a table, converting multiple rows into single wide row
Pivot a table, converting multiple rows corresponding to the same key into a single wide row. In a normalized database, one might have data with a schema like (id, attribute, value), but sometimes it's more convenient to see the data with a schema li...
JOHNH/Fsdb-3.4 - 06 Jan 2024 06:43:43 UTC
Fsdb::Filter::dbcolsplittorows - split an existing column into multiple new rows
Split column into pieces, outputting one row for each piece. By default, any empty fields are ignored. If an empty field value is given with -e, then they produce output. When a null value is given, empty fields at the beginning and end of lines are ...
JOHNH/Fsdb-3.4 - 06 Jan 2024 06:43:43 UTC