Sponsored Content
Full Discussion: file update
Top Forums Shell Programming and Scripting file update Post 80748 by ssk on Thursday 11th of August 2005 09:10:46 AM
Old 08-11-2005
Bug update ??

You want to update a file means what you exactly want.

Do you want to change the timestamp of the file or contents from the file ?
if contents then obviously us vi editor and make changes.
if you want to change timestamp then use touch command.
check man touch for the same.
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

update a file with values from other file in shell bash

Hello I need to write a shell script to update properties between files. I have 2 files as follow: file1 urlWebserviceCheckAddress^=McoConfigGlobal.commonGLOBALUrlWebservice file 2 urlWebserviceCheckAddress=http://localhost:8080/tags Both files containt the same properties... (1 Reply)
Discussion started by: teodora
1 Replies

2. Shell Programming and Scripting

how to update a file

-Hi, I have several hundred files, which contain the following pattern: /bb/bin/msga/mm 80& I need to change the above pattern to be /bb/bin/mm 80& I there the command I can use to do that. Thanks a lot (3 Replies)
Discussion started by: aoussenko
3 Replies

3. Shell Programming and Scripting

rsync - update file on backup when file renamed on source

hi all, Please help me with rsync. I configured rsync to preserve timestamps using the -a option. When i renamed fileA to fileB on source machine I have to copies at the backup server. The aim is to keep the most recent file. fileA & fileB has same contents. When i renamed fileB to... (2 Replies)
Discussion started by: coolatt
2 Replies

4. Programming

MYSQL - trigger update on record insert or update

Right I have a MYSQL database with table1 with 3 columns, colA, colB and colC. I want to combine the data in the 3 columns into a 4th column names col_comb. Here's the SQL command that works: UPDATE table1 SET `col_comb` = CONCAT( `colA` , ' - ', `colB` , ', ', `colC` ); So now I want this... (5 Replies)
Discussion started by: barrydocks
5 Replies

5. Shell Programming and Scripting

Update file

Gents Please can you help. file1 43067.00 49301.00 314999999 43067.00 49157.00 313888888 43065.00 49157.00 313777777 43063.00 ... (5 Replies)
Discussion started by: jiam912
5 Replies

6. Shell Programming and Scripting

Perl to update field in file based of match to another file

In the perl below I am trying to set/update the value of $14 (last field) in file2, using the matching NM_ in $12 or $9 in file2 with the NM_ in $2 of file1. The lengths of $9 and $12 can be variable but what is consistent is the start pattern will always be NM_ and the end pattern is always ;... (4 Replies)
Discussion started by: cmccabe
4 Replies

7. Shell Programming and Scripting

awk to update file with sum of matching fields in another file

In the awk below I am trying to add a penalty to a score to each matching $1 in file2 based on the sum of $3+$4 (variable TL) from file1. Then the $4 value in file1 is divided by TL and multiplied by 100 (this valvue is variable S). Finally, $2 in file2 - S gives the updated $2 result in file2.... (2 Replies)
Discussion started by: cmccabe
2 Replies

8. Shell Programming and Scripting

Move file from one directory and update the list file once moved.

Dears, I have a listfile contains list of files path. i need to read the line of the listfile mv the file to other directory and update the listfile by deleting the lines of the listfile. #!/bin/bash target=/fstest/INVESTIG/Sadiq/TEST_ARCH while read -r line || ]; do mv $line... (19 Replies)
Discussion started by: sadique.manzar
19 Replies

9. UNIX for Beginners Questions & Answers

awk to update file with partial matching line in another file and append text

In the awk below I am trying to cp and paste each matching line in f2 to $3 in f1 if $2 of f1 is in the line in f2 somewhere. There will always be a match (usually more then 1) and my actual data is much larger (several hundreds of lines) in both f1 and f2. When the line in f2 is pasted to $3 in... (4 Replies)
Discussion started by: cmccabe
4 Replies
touch(1B)					     SunOS/BSD Compatibility Package Commands						 touch(1B)

NAME
touch - change file access and modification times SYNOPSIS
/usr/ucb/touch [-acfm] file... DESCRIPTION
touch sets the access and modification times of each file to the current time. file is created if it does not already exist. OPTIONS
-a Change the access time of file. Do not change the modification time unless -m is also specified. -c Do not create file if it does not exist. -f Attempt to force the touch in spite of read and write permissions on file. -m Change the modification time of file. Do not change the access time unless -a is also specified. USAGE
See largefile(5) for the description of the behavior of touch when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes). EXIT STATUS
The following exit values are returned: 0 touch executed successfully and all requested changes were made. >0 An error occurred. touch returns the number of files for which the times could not be successfully modified. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
touch(1), attributes(5), largefile(5) SunOS 5.10 26 Oct 1995 touch(1B)
All times are GMT -4. The time now is 02:24 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy