Hi Unix gurus,
I have a file. I need to insert sequential number at the starting of the file. Fields are delimited by "|". I know the starting number.
Example:
File is as follows
|123|4test|test
|121|2test|test
|x12|1test|test
|vd123|5test|test
starting number is : 120
... (7 Replies)
We have to convert a sequential file to a 80 char line sequential file (HP UX platform).The sequential file contains special characters. which after conversion of the file to line sequential are getting coverted into "new line" or "tab" and file is getting distorted. Is there any way to read these... (2 Replies)
Hi
I have a file sequential way i.e. written in contineous mode and the Record Seperator is AM from which the record is seperated .Now to process I have to make line sequential,and more over record length is not same it varies as per the input address,
AM1234563 John Murray 24 Old streeet old... (5 Replies)
Hi there,
Firstly, I have no experience with shell scripts so would really appreciate some help.
I have the following shell script that is causing some problems:
moveit()
{
&& set -x
if
then
DOUBLE_DELIVERY=$(grep... (6 Replies)
Writing a Tool to simulate non-sequential disk I/O (simulate db file sequential read) in C POSIX
I have over the years come across the same issue a couple of times, and it normally is that the read speed on SAN is absolutely atrocious when doing non-sequential I/O to the disks. Problem being of... (7 Replies)
I can rename a file with sequential numbers from 1 to N with this script:
num=1
for file in *.dat;do
mv "$file" "$(printf "%u" $num).txt"
let num=num+1
done
The script begins with renaming a some.dat file to 1.dat.txt and goes on sequentially renaming other DAT files to... (1 Reply)
Hi experts, I've been struggling to format a large genetic dataset. It's complicated to explain so I'll simply post example input/output
$cat input.txt
ID GENE pos start end
blah1 coolgene 1 3 5
blah2 coolgene 1 4 6
blah3 coolgene 1 4 ... (4 Replies)
I have a file that looks like this:
n1 1
n2 1
n3 1
n4 3
n4 3
n2 5
n2 5
n2 5
n2 5
n3 5
n3 5
n4 6
n7 6
that is a name followed be a descriptive number.
I want to make these numbers sequential starting from 0 but without changing the "neighbours" each name belongs to. So the above... (3 Replies)
I am trying to output a tab-delimited result that uses the data from a tab-delimited file to combine and subtract specific lines.
If $4 matches in each line then the first matching sequential $6 value is added to $2, unless the value is 1, then the original $2 is used (like in the case of line... (3 Replies)
Discussion started by: cmccabe
3 Replies
LEARN ABOUT DEBIAN
dpkg-awk
DPKG-AWK(1) General Commands Manual DPKG-AWK(1)NAME
dpkg-awk - Utility to read a dpkg style db file
SYNOPSIS
dpkg-awk [(-f|--file) filename] [(-d|--debug) ##] [(-s|--sort) list] [(-rs|--rec_sep) ??] '<fieldname>:<regex>' ... -- <out_fieldname> ..
DESCRIPTION
dpkg-awk Parses a dpkg status file (or other similarly formatted file) and outputs the resulting records. It can use regex on the field
values to limit the returned records, it can also be told which fields to output, and it can sort the matched fields.
OPTIONS -f filename
--file filename
The file to parse. The default is /var/lib/dpkg/status.
-d [#]
--debug [#]
Each time this is specified, it increased the debug level.
-s field(s)
--sort field(s)
A space or comma separated list of fields to sort on.
-n field(s)
--numeric field(s)
A space or comma separated list of fields that should be interpreted as numeric in value.
-rs ??
--rec_sep ??
Output this string at the end of each output paragraph.
-h
--help Display some help.
fieldname
The fields from the file, that are matched with the regex given. The fieldnames are case insensitive.
out_fieldname
The fields from the file, that are output for each record. If the first field listed begins with ^, then the list of fields that
follows will NOT be output.
BUGS
Be warned that the author has only a shallow understanding of the dpkg packaging system, so there are probably tons of bugs in this pro-
gram.
This program comes with no warranties. If running this program causes fire and brimstone to rain down upon the earth, you will be on your
own.
This program accesses the dpkg database directly in places, querying for data that cannot be gotten via dpkg.
AUTHOR
Adam Heath <doogie@debian.org>
DEBIAN Debian Utilities DPKG-AWK(1)