Questions tagged [touch]

touch is a command line utility to change file timestamps.

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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
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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 - $ ...
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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?
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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 ...
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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 ...
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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
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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 ...
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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 ...
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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, ...
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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,...
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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 &...
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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 ...
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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/...
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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
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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 ...
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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
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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 ...
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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 ...
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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
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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
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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
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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
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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 ...
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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
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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
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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
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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 ...
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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 ...
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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 ?
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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?
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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
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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 ...
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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 ...
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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-...
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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 ...
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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
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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
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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....
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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 ...
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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
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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/...
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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/...
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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?
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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. ...
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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
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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
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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
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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
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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. ...