Questions tagged [touch]
touch is a command line utility to change file timestamps.
97
questions
-1
votes
1answer
27 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
0
votes
3answers
60 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
35 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?
3
votes
5answers
141 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
0answers
22 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
36 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
89 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
25 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
87 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
121 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
638 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
34 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
58 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/...
0
votes
2answers
56 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
170 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
0answers
150 views
Wrong button event mapping for active stylus (linux elan touchscreen driver)
The touchscreen on my Asus TP412UA Notebook is working perfectly with linux. However, I have noticed that my stylus emits a wrong event if I press one of the buttons. Elevating the pen from screen ...
0
votes
1answer
49 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
1answer
600 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
377 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?
2
votes
1answer
921 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 ...
0
votes
3answers
566 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
401 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 ...
4
votes
1answer
2k 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
83 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
48 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
319 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
129 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
4k 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
3k 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 ?
10
votes
1answer
7k 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
933 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-...
0
votes
1answer
491 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
314 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
...
-1
votes
2answers
11k 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
154 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 ...
0
votes
2answers
1k 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
307 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
2k 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....
1
vote
1answer
618 views
Touch command “Invalid timestamp” android phone
I have used the adb shell command to shell into my android device.
I then tried to run the command...
touch -t 201108231405.14 *.png
To changed the modified time of all the files in the Photos ...
0
votes
2answers
370 views
Execution order of touch command arguments
I have a list of files that are space separated and I want to use the touch command to update their timestamps in that order. But when I supply the filenames as arguments, the timestamps get updated ...
1
vote
1answer
229 views
Changing file modification time to access time in bulk
I have a bunch of files in a directory where the modification time was changed (incorrectly) with touch -m
The access time of these files is still close enough to what the modification time was, so I'...
0
votes
1answer
1k views
How do I touch every file in a directory? [duplicate]
I'm using Amazon Linux with bash shell. I'm trying to touch every file in a certain directory, but this command is failing:
[myuser@mymachine scripts]$ find /usr/java/jboss/standalone/deployments/...
1
vote
2answers
2k views
Working with /dev/null with cat or cp vs touch
In a tutorial about public key infrastructure the author sets up a database to work with when setting up a Root Certificate Authority:
cp /dev/null ca/root-ca/db/root-ca.db
cp /dev/null ca/root-ca/db/...
6
votes
2answers
2k views
What does 'touch' stand for?
My question is not so much a question of computer science as it is a question of etymology.
The command touch changes file access and modification times.
What does 'touch' stand for?
11
votes
1answer
2k views
What does !!: mean in bash? [duplicate]
Watching a video (https://vimeo.com/56166857 & https://www.youtube.com/watch?v=9CTfGS0gEOk @ 1m:34s), the presenter (TJ Holowaychuk) wrote:
touch !!:2{...}
I can't find what !!:2 means anywhere.
...
1
vote
1answer
11k views
Without changing your current directory, create an empty file in another directory in Linux?
Suppose my current working directory is:
/Users/Directories
Under Directories, there are two separate directories called: firstname & last name. I move into the first name directory:
$ ...
7
votes
1answer
558 views
Why can touch change only all times, or nothing when not owner
We have a file foobar not owned by me, but it is in my group:
$ ll
total 4,0K
-rw-rw-r-- 1 root hbogert 4 jan 19 12:27 foobar
I can touch it and it will update all times:
$ stat foobar
File: '...
0
votes
1answer
162 views
Creating .spam folders in each mail user's account
My previous question, Cleaning out mail folders with cron task didn't result in a good enough answer to help me. I have narrowed down the task as follows:
I wish to move mail out of each user's .spam/...
6
votes
3answers
9k views
How to change files creation time? (touch changes only modified time) [duplicate]
How to change files CREATION time? I tried to use 'touch' command but it changes only the last modified time - it does not change the first date - creation date.
(After checking by 'stat' it still ...
0
votes
0answers
483 views
Selective touch screen input in linux (wacom - or X11?)
I was wondering what would be the most straightforward way to have a selective touch screen input with wacom devices. I have an x1 yoga (laptop/tablet with the latest gen wacom touch and pen input. ...
