03-12-2013
How do you detect the strings to replace, e.g. by position in line?
How do you identify the trailer record?
And, yes, your command has large opportunities for improvement.
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1. Shell Programming and Scripting
Hi all,
This problem has cost me half a day, and i still do not know how to do.
Any help will be appreciated. Thanks advance.
I want to use a variable as the first parameters of gsub function of awk.
Example:
{
...
arri]=gsub(i,tolower(i),$1)
(which should be ambraced by //)
...
} (1 Reply)
Discussion started by: summer_cherry
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2. Shell Programming and Scripting
Hello,
I have a variable that displays the following results from a JVM....
1602100K->1578435K
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3. Shell Programming and Scripting
Hi all
I want to do a simple substitution in awk but I am getting unexpected output. My function accepts a time and then prints out a validation message if the time is valid. However some times may include a : and i want to strip this out if it exists before i get to the validation. I have shown... (4 Replies)
Discussion started by: pxy2d1
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4. Shell Programming and Scripting
Hi,
Can some one please explain the following line please throw some light on the ones marked in red
awk '{print $9}' ${FTP_LOG} | awk -v start=${START_DATE} 'BEGIN { FS = "." } { old_line1=$0; gsub(/\-/,""); if ( $3 >= start ) print old_line1 }' | awk -v end=${END_DATE} 'BEGIN { FS="." } {... (3 Replies)
Discussion started by: crosairs
3 Replies
5. Shell Programming and Scripting
I want to replace comma with space and "*646#" with space.
I am using the following code:
nawk -F"|" '{gsub(","," ",$3); gsub(/\*646\#/"," ",$3);print}' OFS="|" file
I am getting following error:
Help is appreciated (5 Replies)
Discussion started by: pinnacle
5 Replies
6. Shell Programming and Scripting
Being new to awk, I am still running into little stupid things. For this issues I am trying to search for all occurrences of a string in a file and replace all of those occurrences with a replacement string. I tried doing
awk '{gsub("|750101|", "|000000|", $0)}' infile > outfile
Unix... (3 Replies)
Discussion started by: jclanc8
3 Replies
7. Shell Programming and Scripting
Hey,
I would like to replace a string by a new one. Teh problem is that both strings should be variables to be flexible, because I am having a lot of files (with the same structure, but in different folders)
for i in daysim_*
do
cd $i/5/
folder=`pwd |awk '{print $1}'`
awk '{ if... (3 Replies)
Discussion started by: ergy1983
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8. Shell Programming and Scripting
I want to transform a log file into input for a database.
Here's the log file:
Tue Aug 4 20:17:01 PDT 2009
Wireless users: 339
Daily Average: 48.4285
=
Tue Aug 11 20:17:01 PDT 2009
Wireless users: 295
Daily Average: 42.1428
=
Tue Aug 18 20:17:01 PDT 2009
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9. Shell Programming and Scripting
Hi, I want to print the first column with original value and without any double quotes
The output should look like
<original column>|<column without quotes>
$ cat a.txt
"20121023","19301229712","100397"
"20121023","19361629712","100778"
"20121030A","19361630412","100838"... (3 Replies)
Discussion started by: ysrini
3 Replies
10. Shell Programming and Scripting
Hello, I had some difficulty to understand the gsub function and maybe the regex in this script to remove all the punctuations:
awk 'gsub(//, " ", $0)' text.txtFile text.txt:
This is a test for gsub
I typed this random text file
which contains punctuation like ,.;!'"?/\ etc.
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LEARN ABOUT CENTOS
tdbtool
TDBTOOL(8) System Administration tools TDBTOOL(8)
NAME
tdbtool - manipulate the contents TDB files
SYNOPSIS
tdbtool
tdbtool TDBFILE [COMMANDS...]
DESCRIPTION
This tool is part of the samba(1) suite.
tdbtool a tool for displaying and altering the contents of Samba TDB (Trivial DataBase) files. Each of the commands listed below can be
entered interactively or provided on the command line.
COMMANDS
create TDBFILE
Create a new database named TDBFILE.
open TDBFILE
Open an existing database named TDBFILE.
erase
Erase the current database.
dump
Dump the current database as strings.
cdump
Dump the current database as connection records.
keys
Dump the current database keys as strings.
hexkeys
Dump the current database keys as hex values.
info
Print summary information about the current database.
insert KEY DATA
Insert a record into the current database.
move KEY TDBFILE
Move a record from the current database into TDBFILE.
store KEY DATA
Store (replace) a record in the current database.
show KEY
Show a record by key.
delete KEY
Delete a record by key.
list
Print the current database hash table and free list.
free
Print the current database and free list.
! COMMAND
Execute the given system command.
first
Print the first record in the current database.
next
Print the next record in the current database.
check
Check the integrity of the current database.
quit
Exit tdbtool.
CAVEATS
The contents of the Samba TDB files are private to the implementation and should not be altered with tdbtool.
VERSION
This man page is correct for version 3.0.25 of the Samba suite.
AUTHOR
The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open
Source project similar to the way the Linux kernel is developed.
Samba 4.0 06/10/2014 TDBTOOL(8)