Questions tagged [readlink]
Use this tag for questions related to the readlink command which prints resolved symbolic links or canonical file names.
21
questions
0
votes
1
answer
65
views
'is a directory' error when trying to use readlink
I am messing around in bash to try and create a custom PS1 but I'm running into an error when I try to print the absolute path of the directory I am in. I have a directory $FIRMWARE which is a symlink....
- 3
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0
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180
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Can realpath command completely replaced by readlink command?
Given that realpath command does not exists on every unix platform, I would like to replace realpath with readlink command in order to make my shell script as cross-platform as possible.
The thing is ...
5
votes
2
answers
349
views
readlink -f and -e option description not clear
-f, --canonicalize
canonicalize by following every symlink in every component of the given name recursively; all but the last component must exist
-e, --canonicalize-existing
canonicalize by following ...
- 95
1
vote
1
answer
150
views
combine ls -alt with readlink
I have a directory containing a lot of symbolic links and some huge subdirectories. I want to get a detailed listing, sorted by time, of just the files in the parent directory, but with targets ...
- 423
2
votes
1
answer
806
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How do I restore files removed from /usr/bin?
TL;DR at the bottom.
Background:
The following occured on my CentOS 6.10 production server. I was using a browser based terminal program to run the program Midnight Commander which is a console-...
- 133
-1
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2
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1k
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Why says readlink that there is no such file or directory [duplicate]
I am creating a bash function that should return true/false if a specified symlink refers to specified target. I based myself on https://unix.stackexchange.com/a/192341/40237
However, I am having ...
- 191
0
votes
1
answer
509
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copying a symlink to a target file using cp -t
I have a symlink to a file on my Ubuntu system, and I need to copy the original file to a different directory and have a new name there. I am able to copy it to a different directory using
readlink -...
2
votes
3
answers
1k
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Option to readlink on Linux and MacOS that will return filepath if it's not a symlink
I have this:
file_path="/actual/file/path"
read_link="$(readlink "$file_path")" # just in case it's a symlink
readlink will echo an empty string if it's not a symlink? Is there an option to ...
- 8,206
5
votes
2
answers
147
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How do I test for link to a link?
I want to test whether a file is a link to another link. I tried readlink but it doesn't work the way I need it:
ralph@bash4.4.12,1:~/subdir1 $ ll
lrwxrwxrwx 1 pi pi 13 Apr 10 14:34 hellolink ->...
- 188
2
votes
2
answers
317
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How to tell without knowing the mount point that a device UUID is mounted?
System: Linux Mint 19.1 Cinnamon 64-bit, based on Ubuntu 18.04 LTS.
I would like to know if it is possible to get the following information:
Is this UUID (of a block device) mounted or not? (without ...
- 23.4k
3
votes
1
answer
671
views
Overwrite symlink with original file
I have a directory with some symlink file, for example:
/home/user/symlink/$(*symlink_file_name1*).mkv
/home/user/symlink/$(*symlink_file_name2*).mkv
And I have another directory with the original ...
0
votes
3
answers
1k
views
readlink -f doesn't work as expected
This is a script I'm writing for exercise.
It should recursively find all regular files in the current directory's subtree and change the last modification date to yesterday date.
#!/bin/bash ...
- 127
1
vote
2
answers
867
views
Apply readlink to a non-symlink file?
This code from Stack Overflow is to get the pathname to the parent directory of a script inside the script, even if the script is run via a symlink to it:
if [ -L $0 ] ; then
DIR=$(dirname $(...
- 89.9k
0
votes
1
answer
50
views
How can I set ENV from a path
I just installed android-sdk using Homebrew.
The path is /usr/local/Caskroom/android-sdk/3859397,26.0.1.
I know I can export ANDROID_HOME with that value.
How can I set it dynamically using the ...
- 418
6
votes
1
answer
275
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Looking for tested utility to get the absolute path to a relative symlink target
NB: In the original title of this post, I used the word standard in the everyday sense of "well-established" (and therefore time-tested, as a contrast to quick solutions I could roll myself). In the ...
- 12.8k
2
votes
2
answers
740
views
Trace route of a symbolic link
I want to resolve a symbolic link with the additional option to print the whole linkage. For example I want to run a command like readlink -f "symlink2" which reports each entry of the linkage. In ...
- 960
3
votes
3
answers
1k
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Real current directory [duplicate]
Obviously I know about pwd and readlink, but is there a command to find out the real absolute path to the current directory (ie, resolving links and dots)?
- 1,843
1
vote
2
answers
129
views
Get full directory of $file
My first shell script
#!/bin/bash
echo "Input your file"
read $file
path=(readlink -f $file)
echo "$USER, $path" >> scriptlog.txt
it said missing operand. How can I fix it?
- 25
1
vote
2
answers
221
views
How do I keep command options from breaking other scripts executed within my command?
I have a bash shell script(my_script.sh) which runs a script(their_script) during execution. My script (my_script.sh) looks like this :
THISDIR=`dirname $(readlink -f $0)`
main() {
cd $THISDIR
...
- 105
1
vote
1
answer
3k
views
sym link for android-studio/bin/studio.sh
I tried creating a symbolic link for android studio as such
sudo ln -s android-studio/bin/studio.sh /usr/bin/asw
I chose asw as the keyword to hopefully launch the executable studio.sh from anywhere ...
- 161
7
votes
2
answers
17k
views
explain the options of readlink command
Can someone please explain me following options of readlink command in simple language:
-f, --canonicalize
canonicalize by following every symlink in every component of
the given ...
- 5,793