Made changes to a file using vi editor and saved those changes
now realised that the changes are not required
How can I get the previous version of the file.i.e the one which was there on which I had made changes (3 Replies)
I only know how to list all sub-directories or files in specified directory. I don't know how to order them by modified date, furthermore, I don't know how to get the top one file in the sorted list. Wish you can do me a favor. Thanks in advance! (3 Replies)
Hi.,
Last modified time of the folder is changing when I view the file inside the directory. Here is the test on sample directory. I believe that ls -l commands gives the time detail w.r.t last modified time. Pl. suggest.
bash-3.2$ mkdir test
bash-3.2$ cd test
bash-3.2$ touch myfile.txt... (2 Replies)
Hi,
I am running this command through a shell script and getting the error mentioned in the subject line:
testing.awk -f x.txt TNAME
My testing.awk file contains something like
++++++++++++++++++
#!/usr/bin/awk -f
BEGIN{
TAB_NAME="INSERT_ONE_" ARGV ;
}
if ( $1=="JAM_ONE" &&... (1 Reply)
I wan to pick the latest modified file name and redirect it to a file ..
ls -tr | tail -1 >file
but this is printing file ins side the filename ,
can anyone help me out (5 Replies)
I am seeking help on one script that I created to celan up database audit files. The error returned is
$./clean_audit.sh: /opt/oracle/logs/audit_clean.log: cannot open The same script is working on other 2 or 3 servers. But not working on other 4 servers. All servers are Oracle Linux. Here is... (21 Replies)
I am trying to fetch the latest modified file from a directory using the command
find . -type f -exec ls -lt \{\} \+ | head | awk '{print $9}'
After the O/P, I get the below mentioned error and the command doesnt terminate at all.
find: ls terminated by signal 13
find: ls terminated by... (2 Replies)
hi,
We have a huge directory that ha 5.1 Million files in it. We are trying to get the file name and modified timestamp of the most recent 3 years from this huge directory for a migration project.
However, the ls command (background process) to list the file names and timestamp is running for... (2 Replies)
Discussion started by: subbu
2 Replies
LEARN ABOUT CENTOS
tcfmgr
TCFMGR(1) Tokyo Cabinet TCFMGR(1)NAME
tcfmgr - the command line utility of the fixed-length database API
DESCRIPTION
The command `tcfmgr' is a utility for test and debugging of the fixed-length database API and its applications. `path' specifies the path
of a database file. `width' specifies the width of the value of each record. `limsiz' specifies the limit size of the database file.
`key' specifies the key of a record. `value' specifies the value of a record. `file' specifies the input file.
tcfmgr create path [width [limsiz]]
Create a database file.
tcfmgr inform [-nl|-nb] path
Print miscellaneous information to the standard output.
tcfmgr put [-nl|-nb] [-sx] [-dk|-dc|-dai|-dad] path key value
Store a record.
tcfmgr out [-nl|-nb] [-sx] path key
Remove a record.
tcfmgr get [-nl|-nb] [-sx] [-px] [-pz] path key
Print the value of a record.
tcfmgr list [-nl|-nb] [-m num] [-pv] [-px] [-rb lkey ukey] [-ri str] path
Print keys of all records, separated by line feeds.
tcfmgr optimize [-nl|-nb] path [width [limsiz]]
Optimize a database file.
tcfmgr importtsv [-nl|-nb] [-sc] path [file]
Store records of TSV in each line of a file.
tcfmgr version
Print the version information of Tokyo Cabinet.
Options feature the following.
-nl : enable the option `FDBNOLCK'.
-nb : enable the option `FDBLCKNB'.
-sx : the input data is evaluated as a hexadecimal data string.
-dk : use the function `tcfdbputkeep' instead of `tcfdbput'.
-dc : use the function `tcfdbputcat' instead of `tcfdbput'.
-dai : use the function `tcfdbaddint' instead of `tcfdbput'.
-dad : use the function `tcfdbadddouble' instead of `tcfdbput'.
-px : the output data is converted into a hexadecimal data string.
-pz : do not append line feed at the end of the output.
-m num : specify the maximum number of the output.
-pv : print values of records also.
-rb lkey ukey : specify the range of keys.
-ri str : specify the interval notation of keys.
-sc : normalize keys as lower cases.
This command returns 0 on success, another on failure.
SEE ALSO tcftest(1), tcfmttest(1), tcfdb(3), tokyocabinet(3)Man Page 2012-08-18 TCFMGR(1)