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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 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?Installiing XV on windows using cygwinexecute windows program with parameters from cygwinCygwin + /usr/bin/xterm: Xt error: Can't open display: :0
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
16 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 14 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
16 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
16 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
16 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
16 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
26 mins ago
add a comment |
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1 Answer
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oldest
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1 Answer
1
active
oldest
votes
active
oldest
votes
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
26 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
26 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
26 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
26 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
26 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
26 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
16 mins ago