OK, it's all good so far. But I thought the previous two options are too 'complicated' so I then try the one below but it is not giving me the result that I wanted. Can you tell me what's wrong with it?
Code:
$: sed 's#\(/db/abcp/DIR/abcp_\)\(_.*\.dbf\)#\(/db/abct/DIR/abct_\)\1#' file > file1
$: cat file1
/db/abcp/DIR/abcp_data_01.dbf
I am expecting file1 to be having /db/abct/DIR/abct_data_01.dbf as well shouldn't it be
You may be thinking why don't I just simply do 's#abcp#abct#g' instead of having to do sed 's#\(/db/abc\)p\(/DIR/abc\)p\(_.*\.dbf\)#\1t\2t\3#' file > file1. This is because I may have a line that is /db/abcp/DIR/abcp_abcp_data_01.dbf and that string is supposed to be replaced to /db/abct/DIR/abct_abcp_data_01.dbf. Hence I don't want to do a global replace.
Thanks for giving your time and effort to answer questions and helping newbies like me understand awk.
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Discussion started by: svn
5 Replies
LEARN ABOUT DEBIAN
dbf_dump
DBF_DUMP(1p) User Contributed Perl Documentation DBF_DUMP(1p)NAME
dbf_dump - Dump the record of the dbf file
FORMAT
dbf_dump [options] files
where options are
--rs output record separator (default newline)
--fs output field separator (default colon)
--fields comma separated list of fields to print (default all)
--undef string to print for NULL values (default empty)
--memofile specifies unstandard name of attached memo file
--memosep separator for dBase III dbt's (default x1ax1a)
--nomemo do not try to read the memo (dbt/fpt) file
--info print info about the file and fields
with additional --SQL parameter, outputs the SQL create table
--version print version of the XBase library
--table output in nice table format (only available when
Data::ShowTable is installed, overrides rs and fs)
SYNOPSIS
dbf_dump -fields id,msg table.dbf
dbf_dump -fs=' : ' table
dbf_dump --nomemo file.dbf
ssh user@host 'cat file.dbf.gz' | gunzip - | dbf_dump -
DESCRIPTION
Dbf_dump prints to standard output the content of dbf files listed. By default, it prints all fields, separated by colons, one record on a
line. The output record and column separators can be changed by switches on the command line. You can also ask only for some fields to be
printed.
The content of associated memo files (dbf, fpt) is printed for memo fields, unless you use the "--nomemo" option.
You can specify reading the standard input by putting dash (-) instead of file name.
AVAILABLE FROM
http://www.adelton.com/perl/DBD-XBase/
AUTHOR
(c) 1998--2011 Jan Pazdziora.
SEE ALSO perl(1); XBase(3pm); index_dump(1p)perl v5.12.4 2011-08-31 DBF_DUMP(1p)
12-06-2018
