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Is "/bin/[.exe" a legitimate file? [Cygwin, Windows 10]
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Is “/bin/[.exe” a legitimate file? [Cygwin, Windows 10]
How exactly does “/bin/[” work?What is the purpose of square bracket executableCygwin installation messageCygwin - Shell Scripting (eval and echo)cygwin awk output to windows line delimetersFile not found (cygwin on Windows)Cygwin: CD to Windows paths easilyCygwin header file locationCygwin on Windows: Can't open displayCygwin/X DISPLAY number no longer :0?Cygwin and Tmux run-shellexecute windows program with parameters from cygwin
I can not find anything about this, is it a known file?
I am using a CYGWIN based terminal on windows 10
Here are their locations and the commands I used.
$ find -name [*
./bin/[.exe
./usr/bin/[.exe
$ ls -l -a -r /* | grep [-.*>]
...all other files that match this...
-rwxr-xr-x 1 X 197121 67134 Nov 6 14:22 [.exe
drwxr-xr-x 1 X 197121 0 Apr 2 18:15 ..
drwxr-xr-x 1 X 197121 0 Jan 26 03:20 .
I would like more information on this file if anyone has any knowledge about it and whether or not I can remove it.
shell cygwin
asked 2 hours ago
JoeJoe
1092
New contributor
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I can not find anything about this, is it a known file?
I am using a CYGWIN based terminal on windows 10
Here are their locations and the commands I used.
$ find -name [*
./bin/[.exe
./usr/bin/[.exe
$ ls -l -a -r /* | grep [-.*>]
...all other files that match this...
-rwxr-xr-x 1 X 197121 67134 Nov 6 14:22 [.exe
drwxr-xr-x 1 X 197121 0 Apr 2 18:15 ..
drwxr-xr-x 1 X 197121 0 Jan 26 03:20 .
I would like more information on this file if anyone has any knowledge about it and whether or not I can remove it.
shell cygwin
asked 2 hours ago
JoeJoe
1092
New contributor
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
1
Possible duplicate of What is the purpose of square bracket executable
– roaima
1 hour ago
Not necessarily, I didn't know what it was, all the times I've ls'ed into /bin/ No google searches for things close to and the title would provide much to the direct answer here below. Updated the title for relevance
– Joe
12 mins ago
add a comment |
I can not find anything about this, is it a known file?
I am using a CYGWIN based terminal on windows 10
Here are their locations and the commands I used.
$ find -name [*
./bin/[.exe
./usr/bin/[.exe
$ ls -l -a -r /* | grep [-.*>]
...all other files that match this...
-rwxr-xr-x 1 X 197121 67134 Nov 6 14:22 [.exe
drwxr-xr-x 1 X 197121 0 Apr 2 18:15 ..
drwxr-xr-x 1 X 197121 0 Jan 26 03:20 .
I would like more information on this file if anyone has any knowledge about it and whether or not I can remove it.
shell cygwin
asked 2 hours ago
JoeJoe
1092
New contributor
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I can not find anything about this, is it a known file?
I am using a CYGWIN based terminal on windows 10
Here are their locations and the commands I used.
$ find -name [*
./bin/[.exe
./usr/bin/[.exe
$ ls -l -a -r /* | grep [-.*>]
...all other files that match this...
-rwxr-xr-x 1 X 197121 67134 Nov 6 14:22 [.exe
drwxr-xr-x 1 X 197121 0 Apr 2 18:15 ..
drwxr-xr-x 1 X 197121 0 Jan 26 03:20 .
I would like more information on this file if anyone has any knowledge about it and whether or not I can remove it.
shell cygwin
shell cygwin
asked 2 hours ago
JoeJoe
1092
New contributor
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
JoeJoe
1092
New contributor
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 10 mins ago
Joe
asked 2 hours ago
JoeJoe
1092
New contributor
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
JoeJoe
1092
asked 2 hours ago
JoeJoe
1092
1092
New contributor
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Joe is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
1
Possible duplicate of What is the purpose of square bracket executable
– roaima
1 hour ago
Not necessarily, I didn't know what it was, all the times I've ls'ed into /bin/ No google searches for things close to and the title would provide much to the direct answer here below. Updated the title for relevance
– Joe
12 mins ago
add a comment |
1
Possible duplicate of What is the purpose of square bracket executable
– roaima
1 hour ago
Not necessarily, I didn't know what it was, all the times I've ls'ed into /bin/ No google searches for things close to and the title would provide much to the direct answer here below. Updated the title for relevance
– Joe
12 mins ago
1
1
Possible duplicate of What is the purpose of square bracket executable
– roaima
1 hour ago
Possible duplicate of What is the purpose of square bracket executable
– roaima
1 hour ago
Not necessarily, I didn't know what it was, all the times I've ls'ed into /bin/ No google searches for things close to and the title would provide much to the direct answer here below. Updated the title for relevance
– Joe
12 mins ago
Not necessarily, I didn't know what it was, all the times I've ls'ed into /bin/ No google searches for things close to and the title would provide much to the direct answer here below. Updated the title for relevance
– Joe
12 mins ago
add a comment |
1 Answer
1
active
oldest
votes
You should not remove that file. In general, don't remove random files that you have not created yourself.
It's the executable file for the [ utility. This utility is exactly the same as test but requires that the last operand is ].
See man [ and man test.
Example of use:
[ -n "hello" ] && echo '"hello" is a non-empty string'
You would also be able to use
/bin/[.exe -n "hello" ] && echo 'That works too'
(though I don't have access to Cygwin to try it, so I don't know if you need to specify the .exe suffix on the command or not)
Note that /bin/[.exe is the executable file for the external [ utility. This utility is very often also available as a built-in utility in your shell. If your shell is bash, then man bash (and help [) would document it.
Related:
- How exactly does "/bin/[" work?
answered 2 hours ago
Kusalananda♦Kusalananda
139k17259430
This is ironically enough, hilarious. I did not know that was a legitimate executable. I thought it as a potential security risk through a regex related attack. Thank you very much for this information, it was thoroughly explained well,... formerly not, (now should be for others), provided through google/forum indexing.
– Joe
22 mins ago
add a comment |
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1 Answer
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1 Answer
1
active
oldest
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active
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active
oldest
votes
You should not remove that file. In general, don't remove random files that you have not created yourself.
It's the executable file for the [ utility. This utility is exactly the same as test but requires that the last operand is ].
See man [ and man test.
Example of use:
[ -n "hello" ] && echo '"hello" is a non-empty string'
You would also be able to use
/bin/[.exe -n "hello" ] && echo 'That works too'
(though I don't have access to Cygwin to try it, so I don't know if you need to specify the .exe suffix on the command or not)
Note that /bin/[.exe is the executable file for the external [ utility. This utility is very often also available as a built-in utility in your shell. If your shell is bash, then man bash (and help [) would document it.
Related:
- How exactly does "/bin/[" work?
answered 2 hours ago
Kusalananda♦Kusalananda
139k17259430
This is ironically enough, hilarious. I did not know that was a legitimate executable. I thought it as a potential security risk through a regex related attack. Thank you very much for this information, it was thoroughly explained well,... formerly not, (now should be for others), provided through google/forum indexing.
– Joe
22 mins ago
add a comment |
You should not remove that file. In general, don't remove random files that you have not created yourself.
It's the executable file for the [ utility. This utility is exactly the same as test but requires that the last operand is ].
See man [ and man test.
Example of use:
[ -n "hello" ] && echo '"hello" is a non-empty string'
You would also be able to use
/bin/[.exe -n "hello" ] && echo 'That works too'
(though I don't have access to Cygwin to try it, so I don't know if you need to specify the .exe suffix on the command or not)
Note that /bin/[.exe is the executable file for the external [ utility. This utility is very often also available as a built-in utility in your shell. If your shell is bash, then man bash (and help [) would document it.
Related:
- How exactly does "/bin/[" work?
answered 2 hours ago
Kusalananda♦Kusalananda
139k17259430
This is ironically enough, hilarious. I did not know that was a legitimate executable. I thought it as a potential security risk through a regex related attack. Thank you very much for this information, it was thoroughly explained well,... formerly not, (now should be for others), provided through google/forum indexing.
– Joe
22 mins ago
add a comment |
You should not remove that file. In general, don't remove random files that you have not created yourself.
It's the executable file for the [ utility. This utility is exactly the same as test but requires that the last operand is ].
See man [ and man test.
Example of use:
[ -n "hello" ] && echo '"hello" is a non-empty string'
You would also be able to use
/bin/[.exe -n "hello" ] && echo 'That works too'
(though I don't have access to Cygwin to try it, so I don't know if you need to specify the .exe suffix on the command or not)
Note that /bin/[.exe is the executable file for the external [ utility. This utility is very often also available as a built-in utility in your shell. If your shell is bash, then man bash (and help [) would document it.
Related:
- How exactly does "/bin/[" work?
answered 2 hours ago
Kusalananda♦Kusalananda
139k17259430
You should not remove that file. In general, don't remove random files that you have not created yourself.
It's the executable file for the [ utility. This utility is exactly the same as test but requires that the last operand is ].
See man [ and man test.
Example of use:
[ -n "hello" ] && echo '"hello" is a non-empty string'
You would also be able to use
/bin/[.exe -n "hello" ] && echo 'That works too'
(though I don't have access to Cygwin to try it, so I don't know if you need to specify the .exe suffix on the command or not)
Note that /bin/[.exe is the executable file for the external [ utility. This utility is very often also available as a built-in utility in your shell. If your shell is bash, then man bash (and help [) would document it.
Related:
- How exactly does "/bin/[" work?
answered 2 hours ago
Kusalananda♦Kusalananda
139k17259430
edited 1 hour ago
answered 2 hours ago
Kusalananda♦Kusalananda
139k17259430
answered 2 hours ago
Kusalananda♦Kusalananda
139k17259430
answered 2 hours ago
Kusalananda♦Kusalananda
139k17259430
139k17259430
This is ironically enough, hilarious. I did not know that was a legitimate executable. I thought it as a potential security risk through a regex related attack. Thank you very much for this information, it was thoroughly explained well,... formerly not, (now should be for others), provided through google/forum indexing.
– Joe
22 mins ago
add a comment |
This is ironically enough, hilarious. I did not know that was a legitimate executable. I thought it as a potential security risk through a regex related attack. Thank you very much for this information, it was thoroughly explained well,... formerly not, (now should be for others), provided through google/forum indexing.
– Joe
22 mins ago
This is ironically enough, hilarious. I did not know that was a legitimate executable. I thought it as a potential security risk through a regex related attack. Thank you very much for this information, it was thoroughly explained well,... formerly not, (now should be for others), provided through google/forum indexing.
– Joe
22 mins ago
This is ironically enough, hilarious. I did not know that was a legitimate executable. I thought it as a potential security risk through a regex related attack. Thank you very much for this information, it was thoroughly explained well,... formerly not, (now should be for others), provided through google/forum indexing.
– Joe
22 mins ago
add a comment |
Joe is a new contributor. Be nice, and check out our Code of Conduct.
Joe is a new contributor. Be nice, and check out our Code of Conduct.
Joe is a new contributor. Be nice, and check out our Code of Conduct.
Joe is a new contributor. Be nice, and check out our Code of Conduct.
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1
Possible duplicate of What is the purpose of square bracket executable
– roaima
1 hour ago
Not necessarily, I didn't know what it was, all the times I've ls'ed into /bin/ No google searches for things close to and the title would provide much to the direct answer here below. Updated the title for relevance
– Joe
12 mins ago