Hello,
I need to truncate a large file without deleting and touching it again.
i tried the below commands but no use because of the huge file size
cat <<! > errors
and
echo > errors
Could someone please help.
Thanks,
Sateesh (1 Reply)
I have one file which first line is blank and second line has some data.
$cat filename
output:
30-MAY-07
I want to store 30-MAY-07 value in one variable.
for that I wrote
var="`head -2 filename`"
It will give that result but I want to truncate the first line which is blank.
plz help. (2 Replies)
I am trying to concatenate 2 files, but before concatenation, I would like to strip off the final character from the first file.
The final character is a form feed (ascii 012 / hex 0C) and there will be an unknown number of these characters in the file. It is only the very last one which I want... (1 Reply)
Hi,
I have files with names like file1.txt.txt.txt.txt and file2.txt.txt.txt.txt.txt............ (random infinite number of .txt exist).
how to truncate (mv) their names to ones with single .txt extension like file1.txt and file1.txt ? In other words, how to extract the filename upto first... (12 Replies)
Hi all,
i have a file and i want that after 6th slash "/" in each line of the file the contents gets truncated.
Can anyone tell me how to do that !!
thanks in advance
One more thing how can i change the size of output buffer of console,
as i had very long output and its not... (2 Replies)
Hello all.
I would like to make a script (or two shell scripts) that will do the following.
I need the maximum file name and directory name to be 38 characters long.
As well, if shortening the file name ends up making all of the files in that directory have the same name, then I would like... (9 Replies)
Hi,
I have a file with the following structure.
XXXXX...........
YYYYY...........
.................
..................
ZZZZZZ......
qwerty_start..............
..................
.................
..................
querty_end................
.............................. (3 Replies)
Hi,
Does anyone have a script to truncate the wtmp file.
I want to move older entries in the wtmp to a new file and move it out of var/adm and shrink the size. (4 Replies)
Discussion started by: ElizabethPJ
4 Replies
LEARN ABOUT NETBSD
iprop-log
IPROP-LOG(8) BSD System Manager's Manual IPROP-LOG(8)NAME
iprop-log -- maintain the iprop log file
SYNOPSIS
iprop-log [--version] [-h | --help] command
iprop-log truncate [-c file | --config-file=file] [-r string | --realm=string] [-h | --help]
iprop-log dump [-c file | --config-file=file] [-r string | --realm=string] [-h | --help]
iprop-log replay [--start-version=version-number] [--end-version=version-number] [-c file | --config-file=file] [-r string | --realm=string]
[-h | --help]
DESCRIPTION
Supported options:
--version
-h, --help
command can be one of the following:
truncate
-c file, --config-file=file
configuration file
-r string, --realm=string
realm
Truncates the log. Sets the new logs version number for the to the last entry of the old log. If the log is truncted by emptying
the file, the log will start over at the first version (0).
dump
-c file, --config-file=file
configuration file
-r string, --realm=string
realm
Print out all entries in the log to standard output.
replay
--start-version=version-number
start replay with this version
--end-version=version-number
end replay with this version
-c file, --config-file=file
configuration file
-r string, --realm=string
realm
Replay the changes from specified entries (or all if none is specified) in the transaction log to the database.
last-version
-c file, --config-file=file
configuration file
-r string, --realm=string
realm
prints the version of the last log entry.
SEE ALSO iprop(8)BSD February 18, 2007 BSD