touch is a command line utility to change file timesteps

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5
votes
1answer
274 views

How to create files named 'a to z' - any trick? [duplicate]

I need to create 26 files named a to z in single command. I thought touch command would be sufficient with the regex, but it doesn't expand [a-z] instead it creates a single file with name "[a-z]". $ ...
3
votes
2answers
87 views

Script for changing modification time of files and directories recursively

I have many big folders with thousands of files in them and I want to use touchto set their modification times to be "original time"+3 hours. I got this script from a similar thread in superuser: ...
3
votes
4answers
152 views

Touching issue: Creating a filename from 2 variables

I am trying to create a filename from 2 variables. This is the error msg: touch: cannot touch `/root/tinstalls/2--06/06/15': No such file or directory 2--06/06/15 19:54 This is the code: ...
0
votes
1answer
26 views

Execution bit not being set [duplicate]

I have just set up an EC2 instance to play around with and am testing file permissions; however, I notice that the execution bit is not being passed down to the lower level (read and write are, just ...
2
votes
2answers
470 views

Why does touch create new files?

I understand that this might be a very strange question to ask, but I couldn't help my curiosity, and I couldn't find this anywhere on the net (And I'm too lazy/incompetent to look up the source ...
2
votes
2answers
134 views

date: bad conversion error on HP-UX but not on Linux

On Linux: $ touch 1 12 No problem,create 1 and 12. On SysV or HP-UX 11.31: $ touch 1 12 date: bad conversion I have tried with LANG=C, same error. Why?
1
vote
0answers
47 views

Touch-friendly LXDE app launcher

I am about to make a tablet with a raspberry pi and would like an interface for launching apps that is touch-friendly. The gnome app launcher seems very well suited for this to me. Because of the ...
1
vote
2answers
249 views

Touch the file to future time stamp

I have created the file which is 30 minutes old by using following command TZ=ZZZ0 touch -t "$(TZ=ZZZ0:30 date +%Y%m%d%H%M.%S)" $HOME/reference Similarly how can I create a file 30 minutes of ...
1
vote
0answers
77 views

Arch: How can I hide the pointer when I'm using my touch screen?

I just installed Arch on my Lenovo Yoga 2 11" convertible laptop, and it's great so far, but when I use my touch screen, the pointer follows my touches, which it doesn't do on Ubuntu or Fedora. How ...
3
votes
3answers
92 views

How to bump file timestamps by 3 months (for a directory tree)?

I am looking at the touch command line utility (on Linux), and from the examples I found in tutorials, I see how one can bump the access or modification timestamp to a specified time, the current ...
3
votes
3answers
156 views

Get modification date that can be used with touch -m

I need to get the modification date of a file so that I can set it on other files using touch -m. stat or perl -le 'print((stat shift)[9])' Didn't return what I wanted. I think that you are supposed ...
0
votes
1answer
566 views

Bash script, ask for user input, to change a directory, sub directorys, and file's mtime atime linux recursively

Using GNU bash, version 4.3.11(1)-release (x86_64-pc-linux-gnu) I am a bash scripting novice, not sure where to begin except at shebang #!. The following command. touch -a -m -t 201501010000.00 ...
5
votes
2answers
202 views

Find and create empty files with the same name in another location

I want create empty files with the same name, but in another location. Is it possible? find some files use only filenames touch an empty file in another place Something like this: find . -type f ...
2
votes
3answers
573 views

How to create multiple files with different names and different extensions?

I'm trying to create some files that has different names and with different extensions. Let say I want to create for example 3 files with following name and extension: File001.000 File002.001 ...
2
votes
2answers
189 views

How to disallow file modification time change for non root users

I don't want anybody to create a file then change the creation date to backward date(For example using touch or system call). In my Ubuntu hosting account I'm getting many hacked php code getting ...
1
vote
2answers
156 views

How to get proper format from date for the touch -A argument?

I would like to change all of the attribute times of some files to the immediate date. It appears that I would need to use touch -A * (more or less; realizing that I am going to use a more complex ...
1
vote
3answers
313 views

shell script for auto-touching files

I have written a shell script to touch all the files in the /tmp directory. However, there was an error message saying that /bin/touch: Argument list too long. What's the cause of the problem? ...
3
votes
4answers
405 views

Make many subdirectories at once

Suppose I have a directory /, and it contains many directories /mydir, /hisdir, /herdir, and each of those need to have a similar structure. For each directory in /, there needs to be a directory doc ...
2
votes
3answers
1k views

How do I set a file's mtime in epoch format?

I know how to get a file's mtime in epoch format: stat --format=%Y <file> But I have not been able to figure out how to set a file's mtime in epoch format. The touch(1) man page appears to ...
2
votes
1answer
360 views

Set file creation date to its modification date on OSX

I need to batch edit file creation date (some stupid audio recorder set the file creation date to UNIX epoch and the correct recording date in the modification date) to set it to the files ...
0
votes
2answers
84 views

clone create date [duplicate]

I would like to clone only the create date and the filenames in source and destination are different. The name part of it is the same, it's the extension that isn't. AVI videos in one directory, MP4 ...
4
votes
3answers
10k views

Efficient way to create multiple files

I have been testing find directory which is taking max inodes and while testing I had run touch test_{1..1391803}.txt But it's give me error "-bash: /usr/bin/touch: Argument list too long", now ...
0
votes
1answer
581 views

Updating last modified time of a file

I have created a script to read 15 pcap files from a folder and merge then into one file using mergecap command. I want the merged file to have the creation time same as the first file of the 15 files ...
1
vote
0answers
98 views

Changing file time using touch

Im trying to change the file time of a m#merge the files to a temporary file. mergecap -w "${dir_dcn}"/merge_dcn.pcap "${FILES_dcn[@]}" touch -r "${FILES_dcn[14]}" dcn_file ls -l dcn_file ...
70
votes
15answers
13k views

What are the legitimate uses of the `touch` command?

What's the point of the touch command? I know I can create empty files with it, but so is also the case with echo -n. Otherwise, why would someone need to change the timestamps of a file? Unless to ...
4
votes
3answers
5k views

touch: cannot touch file: No such file or directory

I am getting the error: touch: cannot touch `/opt/tsrm/compliance/cme/log/20121207.log`: No such file or directory on the touch command: touch $LOGFILE I also checked the link: touch: cannot ...
10
votes
3answers
10k views

touch all folders in a directory

I am trying to update the timestamps of all folders in the cwd using this: for file in `ls`; do touch $file; done But it doesn't seem to work. Any ideas why?
14
votes
1answer
8k views

touch: cannot touch `foo': No such file or directory

What could cause touch to fail with this error message? touch: cannot touch `foo': No such file or directory Note that an error due to incorrect permissions looks different: touch: cannot touch ...
7
votes
3answers
9k views

How do I change folder timestamps recursively to the newest file?

I was wondering if anyone knows how to change the timestamps of folders recursively based on the latest timestamp found of the files in that folder. So for example: ...