Questions tagged [touch]
touch is a command line utility to change file timestamps.
109
questions
1
vote
0answers
19 views
Execute a command on all folders that are older than their mirrored folder
Here is my problem. Every night I move data to a remote location, the data retains its modified date correctly, but the folders do not consistently. What I would like to do is to check the folders ...
0
votes
1answer
43 views
Pipe vs Command substitution [duplicate]
Testing with the linux command line and pipe I tried to do echo {1..3} | touch and it doesn't work. I achieved the results with touch $(echo {1..3}).
Why I can't pass the list generated by echo to ...
-1
votes
1answer
41 views
How to change all files in directory creation/modification date to 0/0/0?
I want to change all files in directory creation/modification date to 0/0/0.
I tried to use find $PWD -exec touch -m -d '0/0/0' {} + command.
-1
votes
1answer
50 views
change last modification date for many files using references
I have performed a backup and on restoring it, unfortunately, all file access times were set to the timestamp of the DateTime of this restoring process.
How now to set all timestamps from the backup (...
5
votes
1answer
128 views
A very strange behaviour of filesystem, Schrödinger's file
I'm fresh to Unix, and I would like to have your help with this strange behavior
I have a user directory /Users/den
den$ ls -la
total 208
drwxrwx---+ 19 den staff 608 18 Jan 16:35 .
drwxr-xr-x ...
5
votes
2answers
287 views
How to mirror directory structure and files with zero size?
I am trying to mirror the directory and file structure of a particular directory. However, I want the mirrored files to have no size. So for example, if I had the following directory tree:
...
0
votes
1answer
50 views
Issue creating a regular file for a directory
I have tried this but it is not working
touch dir_practice ../cambridge/library/
touch dir_practice ./sample_dir/cambridge/library/****
0
votes
2answers
129 views
Force create nonexistent directory via vi or touch? [duplicate]
There are -p option in mkdir command to create parent directories as needed
wolf@linux:~$ tree
.
0 directories, 0 files
wolf@linux:~$
wolf@linux:~$ mkdir dir1/dir2/dir3
mkdir: cannot create ...
0
votes
1answer
68 views
Creating a new file and with a verbose switch
When creating a new directory using the mkdir command, I can simply add the -v option to find out whether or not the new directory is created. It saves time on not issuing a ls -F command. Is there ...
0
votes
1answer
1k views
Zsh: How to create a directory and file inside it with one command?
I am curious whether it is possible to create a directory and file inside this directory with one command, similar to mkdir -p but for a text file and intermediate directory.
I read through the touch ...
0
votes
0answers
144 views
Unable to write to a folder on a drive on AiX system
I logged in the server with the below user id.
myhost:hkgdb:/wd/user1>id
uid=214(user1) gid=321(dba) groups=1(staff)
I'm getting the following error while writing to a file:
myhost:hkgdb:/wd/...
0
votes
0answers
151 views
What does “touch /reconfigure” before a reboot do?
We have a situation that spontaneous shutdowns are occurring on our Wind River Linux 6 system, and in the syslog, I see a /bin/touch /reconfigure followed by an /sbin/init 0. I can tell from another ...
-1
votes
1answer
49 views
How to create directory and files inside the directory
I want to know how to place files using touch command inside an directory whether it is multiple or single file.help is appreciated
1
vote
2answers
2k views
touch: missing file operand with filename containing hash #
My system is
Kernel: 5.3.0-26-generic x86_64 bits: 64 Desktop: Cinnamon 4.4.8 Distro: Linux Mint 19.3 Tricia
Touch version is touch (GNU coreutils) 8.28
When the following command is given -
$ ...
-1
votes
1answer
281 views
Creating an empty file inside a folder
Does anyone know how to enter a Linux command to create an empty file called test1 in the directory systems while you are still in your home directory using the touch command?
4
votes
5answers
2k views
How do I create multiple files names from list.txt in bash?
I want to create multiple files at a time using names from a file list.txt, how can I do it?
Sample list.txt:
EOG090W002U
EOG090W00C1
EOG090W00DC
EOG090W00DE
EOG090W00E5
EOG090W00HR
EOG090W00MH
...
0
votes
1answer
154 views
Qt and dual monitor with touch screen
I have a Qt-based program (using eglfs platform), and 2 monitors, one LVDS and the other one is connected by HDMI. The LVDS monitor is a touch screen.
The screen of HDMI is placed to the right of the ...
0
votes
1answer
103 views
X11 and dual monitor problem
I have a customized linux (Debian, we've removed the desktop environment), where we run our application with X11. The screen size is 1024x768, and the app's window fills the screen.
Now the ...
0
votes
1answer
399 views
Change file “Birth date” for ext4 files?
Is it possible to change a file "Birth date" (according to the stat file "Birth" field)?
I can change the modification/access time with touch -t 200109110846 file, but can't find the corresponding ...
0
votes
2answers
74 views
Create multiples files with brace expansion combining letters and numbers
I am trying to create a series of files with brace expansions. I want create the files fileA1 to fileZ100 with all possible combinations (Something like touch file[A..Z][1..100]).
If I run the ...
0
votes
1answer
90 views
Why “*” works differently in different commands?
For example, in rm -r abc* "*" means any string. However, if we use it in touch abc* abcd* abcde* (and we don't have any files in directory starting with abc or abcd or abcde) "*" means just a symbol, ...
-3
votes
2answers
403 views
How to create a file with specific command to run in linux?
I would like to create a file with:
name:
Hyper
command run:
"/opt/Hyper/hyper" %U
or
name:
Google Chrome
command run:
/usr/bin/google-chrome-stable --no-sandbox
( when we click in this icon,...
2
votes
2answers
4k views
Creating a file in Linux? (Touch vs Echo)
I'm pretty new to Linux in general, so I'm not too familiar with do's and don'ts of some commands.
I wanted to create a file and noticed that:
touch file.txt `
creates a file, but so does:
echo &...
1
vote
1answer
85 views
How to create files from a list which contain space [duplicate]
I would like to create files from the following list.
There is no problem if the list doesn't have a space ... but the problem is it has a space
user@linux:~$ cat file.txt
Apples
Bing Cherry
Crab ...
0
votes
2answers
339 views
Build path name with variable as input to touch [duplicate]
I want to store a path I often use as an environment variable, then call this variable to construct a path name.
$ mypath="~/local/bin/"
$ newFile="${mypath}newFile.sh"
$ echo $newFile
~/local/bin/...
4
votes
0answers
79 views
Why does the touch command work in one directory, but not in the other?
On the same mount, the touch command sometimes doesn't work
Using different directories on the same mount, the touch command gives different results
**bob@syno ~ % ll -d /volume1/media ; ll -d /...
0
votes
2answers
754 views
Usage of touch with pipeline
I want to be able to use the touch command with the pipeline to create multiple files depending on the output of a command.
Like for example:
grep "hello(.*)" file.txt | touch
But it doesn't work!
...
2
votes
2answers
208 views
Difference between `touch file` and `>file`
Say there is an empty directory and I run the commands >file1 and touch file2 while in that directory, but I forget which command created which file.
I don't know what command I ran first and I ...
0
votes
1answer
70 views
How to add both date and space to a filename [duplicate]
If I execute touch $(date '+%F %T'), I expect one file whose filename comprises the date and time to be created; but instead two files are created: one whose name is the date, and the other whose name ...
1
vote
2answers
2k views
If rc.local is run as root why can't it touch a file
I wish to execute a script every time on boot-up using /etc/rc.local.
My script for example is called startscript.sh which is stored in /home/debian as below. It first tries to create a file called ...
0
votes
3answers
2k views
Create file in subdirectories that doesn't exist (../new_folder/new_folder/new_file.ext)
For now i use this:
mkdir -p a/b/c/d/e;
touch a/b/c/d/e/file.abc;
Is there more efficient ways?
3
votes
1answer
2k views
Use touch command to set modification time of a file to the Unix epoch
Edit: Better worded question: How do I only use the touch command to set the modification time of a file to the unix epoch?
I know that the unix epoch value can be retrieved using "data %s", but how ...
1
vote
3answers
747 views
In Linux, what does “touch .” (touch dot) do?
I have searched for a similar question here, but found nothing related.
In Linux, the dot (.) refers to the directory itself. The touch command creates a file, if it does not exist.
But what does ...
0
votes
1answer
632 views
Change modification timestamps using touch with time offset across group of files
I'm trying to change the modification timestamps using touch on a group of images that gets accessed by an external program that sorts them by modification date. The current mod times of these files ...
5
votes
1answer
5k views
How to `touch` and `cat` file named `-` [duplicate]
How do I use GNU touch to update a file called -?
How do I use GNU cat to display a file called -?
I'm running:
% cat --version | head -n1
cat (GNU coreutils) 8.29
% touch --version | head -n1
...
0
votes
1answer
116 views
Batch copy metadata (date) from .mpg to .mp4 (touch -r)
I have a large number of YYMMDD.HHMMSS.mpg files. What I want is to copy the metadata to (the converted) YYMMDD.HHMMSS.mp4 files.
Can this be done in batch?
touch -r *.mpg *.mp4
-3
votes
2answers
63 views
To create files under existing nested directories in Fedora 23 [closed]
I can't use touch to make files in existing nested directories. I was just wondering if my syntax is off.
$ touch dir1/dir2/dir3/file.txt
0
votes
1answer
723 views
Change creation time of files (RPM) from download time to build time
I am going to create my own internal repository service via createrepo and want to provide an Java repository as well.
Downloading the JRE and JDK packages automatically and as described at Stack ...
2
votes
1answer
194 views
How Can i control the 'total' output in 'ls -l' command? [duplicate]
the question is, how can control the ls -l total output ?
first impression with example that give us total = 0
els3@els3PC:~/test$ touch file
els3@els3PC:~/test$ ls -l
total 0
-rw-r--r-- 1 els3 els3 ...
33
votes
4answers
5k views
When creating an empty file, why might one prefer 'touch file' over ': >> file'?
Never realized that you could do this until just now:
: >> file
It seems to be functionally similar to:
touch file
Is there a reason why most resources seem to prefer touch over this shell ...
1
vote
4answers
5k views
creating a file with touch using a variable
I have this variable :
toto=123456
why does touch "$toto.hihi.log" works and creates a file called 123456.hihi.log
but touch "$totohihi.log" doesn’t do anything ?
17
votes
1answer
15k views
What happens if we use touch command while the file already exists
I already have a file named param.txt with some data on it. If I run
touch param.txt in the same folder will my data get lost?
0
votes
1answer
1k views
How to touch everything in a directory including hidden, like directory up `..`?
This question has parallels to question "touch all folders in a directory".
How to touch everything in a directory,
recursively
including hidden entries, like "directory up" .. and .
without de-...
1
vote
1answer
877 views
Set file modification date from date stored as filename
I have a lot of files where filename contains file creation date (IMG_RRRRMMDD_hhmmss.jpg):
IMG_20171015_133516.jpg
IMG_20171015_133827.jpg
IMG_20171015_142634.jpg
IMG_20171015_142834.jpg
...
1
vote
1answer
419 views
How to change folder's creation date to match the creation date of the .nfo file inside?
I need to do it for over 600 folders with varying names and the .nfo file inside doesn't necessarily have the same name as the folder, he is just a few of them.
m0j0@unity ~/files/TV.TL/TEST $ ls -lr
...
0
votes
2answers
18k views
I get message “File name too long” when running for..in and touch
I want to touch each file in a directory:
files=$(ls -a "node_modules/suman-types/dts")
echo "files $files";
for file in "$files"; do
echo "touching file $file";
touch "node_modules/suman-...
1
vote
0answers
297 views
touch is creating files one hour behind the current time. How to set it with current time?
All ordinary users on my linux box have an issue. When they create a file using $ touch test.txt or using script and do ls -ali | grep test.txt I notice that the time of the file is one hour behind ...
1
vote
2answers
2k views
When does touch command need the file to exist? [duplicate]
I've noticed sometimes I touch a file that does not exist at all and after the command, the files get created. However, depending on what directory I'm touching, I get "No such file or directory" ...
4
votes
1answer
489 views
re-touching files over sshfs
Machine A's file system is mounted on machine B via sshfs. A process running on B, which was initiated from A by ssh touches a file on the mounted file system of A to communicate a signal; the signal (...
6
votes
7answers
3k views
Creating 50 directories with 50 files inside
I am trying to create 50 directories (dir-01..dir-50). And I want to create 50 files (01.txt..50.txt) inside each of the 50 directories.
For example:
dir-01/01.txt..50.txt
dir-02/02.txt..50....
