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/bin/ls sorts differently than just ls
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)Why does OS X Lion's terminal treat the PS1 prompt codes differently than Snow Leopard?Associating a renamed executable with our application fails on command line in WindowsWindows “tree” command sorts randomlyWhat is the different between “sudo su” and “sudo bash”？Kali Linux: Renaming files in binFile sorting confusionwhat is `ssh-agent bin/bash` and why I have to `ssh-add` everytimeusing awk on only files which START with 'xyz'SSH executes the command differentlyWhy does symlink to VLC break but but .bash_profile alias works?
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;
$ ls |sort
xyz-0.0.1-1554490900.rpm
xyz-0.0.1-1554745305.rpm
xyz-0.0.1-1554751021.rpm
xyz-0.0.1-1555513460.rpm
xyz-0.0.1-1555951745.rpm
xyz-0.0.1-1554323568.rpm
$ /bin/ls |sort
xyz-0.0.1-1554323568.rpm
xyz-0.0.1-1554490900.rpm
xyz-0.0.1-1554745305.rpm
xyz-0.0.1-1554751021.rpm
xyz-0.0.1-1555513460.rpm
xyz-0.0.1-1555951745.rpm
$ which ls
alias ls='/bin/ls --color'
/bin/ls
Note that the sorting is different between the two commands (ls |sort results in incorrect sorting). This must be due to the color flag, but why?
linux command-line bash unix
asked 5 hours ago
Josh M.Josh M.
66951227
add a comment |
$ ls |sort
xyz-0.0.1-1554490900.rpm
xyz-0.0.1-1554745305.rpm
xyz-0.0.1-1554751021.rpm
xyz-0.0.1-1555513460.rpm
xyz-0.0.1-1555951745.rpm
xyz-0.0.1-1554323568.rpm
$ /bin/ls |sort
xyz-0.0.1-1554323568.rpm
xyz-0.0.1-1554490900.rpm
xyz-0.0.1-1554745305.rpm
xyz-0.0.1-1554751021.rpm
xyz-0.0.1-1555513460.rpm
xyz-0.0.1-1555951745.rpm
$ which ls
alias ls='/bin/ls --color'
/bin/ls
Note that the sorting is different between the two commands (ls |sort results in incorrect sorting). This must be due to the color flag, but why?
linux command-line bash unix
asked 5 hours ago
Josh M.Josh M.
66951227
add a comment |
$ ls |sort
xyz-0.0.1-1554490900.rpm
xyz-0.0.1-1554745305.rpm
xyz-0.0.1-1554751021.rpm
xyz-0.0.1-1555513460.rpm
xyz-0.0.1-1555951745.rpm
xyz-0.0.1-1554323568.rpm
$ /bin/ls |sort
xyz-0.0.1-1554323568.rpm
xyz-0.0.1-1554490900.rpm
xyz-0.0.1-1554745305.rpm
xyz-0.0.1-1554751021.rpm
xyz-0.0.1-1555513460.rpm
xyz-0.0.1-1555951745.rpm
$ which ls
alias ls='/bin/ls --color'
/bin/ls
Note that the sorting is different between the two commands (ls |sort results in incorrect sorting). This must be due to the color flag, but why?
linux command-line bash unix
asked 5 hours ago
Josh M.Josh M.
66951227
$ ls |sort
xyz-0.0.1-1554490900.rpm
xyz-0.0.1-1554745305.rpm
xyz-0.0.1-1554751021.rpm
xyz-0.0.1-1555513460.rpm
xyz-0.0.1-1555951745.rpm
xyz-0.0.1-1554323568.rpm
$ /bin/ls |sort
xyz-0.0.1-1554323568.rpm
xyz-0.0.1-1554490900.rpm
xyz-0.0.1-1554745305.rpm
xyz-0.0.1-1554751021.rpm
xyz-0.0.1-1555513460.rpm
xyz-0.0.1-1555951745.rpm
$ which ls
alias ls='/bin/ls --color'
/bin/ls
Note that the sorting is different between the two commands (ls |sort results in incorrect sorting). This must be due to the color flag, but why?
linux command-line bash unix
linux command-line bash unix
asked 5 hours ago
Josh M.Josh M.
66951227
asked 5 hours ago
Josh M.Josh M.
66951227
asked 5 hours ago
Josh M.Josh M.
66951227
asked 5 hours ago
Josh M.Josh M.
66951227
asked 5 hours ago
Josh M.Josh M.
66951227
66951227
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
Do:
/bin/ls --color > file1
/bin/ls > file2
and compare content, you'll see the difference.
Aliasing ls to /bin/ls --color=auto is likely better idea, it will stop ls from using color codes when not writing directly to terminal (like when piping to next program or writing to a file).
answered 5 hours ago
TomekTomek
46935
Thank you. I assume this is just a "known thing" and people understand ls + sorting should be done directly via/bin/lsvs.ls.
– Josh M.
4 hours ago
4
@JoshM. Well, sorting should be done bylsitself, if possible. Sorting withsortis parsing, not recommended in general.
– Kamil Maciorowski
4 hours ago
2
@JoshM., rather than using/bin/ls, change your alias to what Tomak suggested and you will get the better behavior automatically.
– John1024
4 hours ago
1
@JoshM. You can also uselsfor an unaliasedlsorcommand lsfor/bin/ls.
– Freddy
4 hours ago
2
Yes, @Freddy, very true. But, usingalias ls='/bin/ls --color'is just a recipe for trouble.
– John1024
4 hours ago
add a comment |
In the sorted colored output ls|sort, we can see that the last line xyz-0.0.1-1554323568.rpm is the first line
of the non-colored output. The other lines are sorted equally.
If we have at a look at the colored escape codes (non-sorted), we can see that the first
line starts with a different escape code ^[[0m. This is causing the wrong order when sorted (^[[01 before ^[[0m).
$ /bin/ls --color xyz* | cat -A
^[[0m^[[01;31mxyz-0.0.1-1554323568.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554490900.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554745305.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554751021.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555513460.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555951745.rpm^[[0m$
answered 4 hours ago
FreddyFreddy
3435
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
Do:
/bin/ls --color > file1
/bin/ls > file2
and compare content, you'll see the difference.
Aliasing ls to /bin/ls --color=auto is likely better idea, it will stop ls from using color codes when not writing directly to terminal (like when piping to next program or writing to a file).
answered 5 hours ago
TomekTomek
46935
Thank you. I assume this is just a "known thing" and people understand ls + sorting should be done directly via/bin/lsvs.ls.
– Josh M.
4 hours ago
4
@JoshM. Well, sorting should be done bylsitself, if possible. Sorting withsortis parsing, not recommended in general.
– Kamil Maciorowski
4 hours ago
2
@JoshM., rather than using/bin/ls, change your alias to what Tomak suggested and you will get the better behavior automatically.
– John1024
4 hours ago
1
@JoshM. You can also uselsfor an unaliasedlsorcommand lsfor/bin/ls.
– Freddy
4 hours ago
2
Yes, @Freddy, very true. But, usingalias ls='/bin/ls --color'is just a recipe for trouble.
– John1024
4 hours ago
add a comment |
Do:
/bin/ls --color > file1
/bin/ls > file2
and compare content, you'll see the difference.
Aliasing ls to /bin/ls --color=auto is likely better idea, it will stop ls from using color codes when not writing directly to terminal (like when piping to next program or writing to a file).
answered 5 hours ago
TomekTomek
46935
Thank you. I assume this is just a "known thing" and people understand ls + sorting should be done directly via/bin/lsvs.ls.
– Josh M.
4 hours ago
4
@JoshM. Well, sorting should be done bylsitself, if possible. Sorting withsortis parsing, not recommended in general.
– Kamil Maciorowski
4 hours ago
2
@JoshM., rather than using/bin/ls, change your alias to what Tomak suggested and you will get the better behavior automatically.
– John1024
4 hours ago
1
@JoshM. You can also uselsfor an unaliasedlsorcommand lsfor/bin/ls.
– Freddy
4 hours ago
2
Yes, @Freddy, very true. But, usingalias ls='/bin/ls --color'is just a recipe for trouble.
– John1024
4 hours ago
add a comment |
Do:
/bin/ls --color > file1
/bin/ls > file2
and compare content, you'll see the difference.
Aliasing ls to /bin/ls --color=auto is likely better idea, it will stop ls from using color codes when not writing directly to terminal (like when piping to next program or writing to a file).
answered 5 hours ago
TomekTomek
46935
Do:
/bin/ls --color > file1
/bin/ls > file2
and compare content, you'll see the difference.
Aliasing ls to /bin/ls --color=auto is likely better idea, it will stop ls from using color codes when not writing directly to terminal (like when piping to next program or writing to a file).
answered 5 hours ago
TomekTomek
46935
answered 5 hours ago
TomekTomek
46935
answered 5 hours ago
TomekTomek
46935
answered 5 hours ago
TomekTomek
46935
46935
Thank you. I assume this is just a "known thing" and people understand ls + sorting should be done directly via/bin/lsvs.ls.
– Josh M.
4 hours ago
4
@JoshM. Well, sorting should be done bylsitself, if possible. Sorting withsortis parsing, not recommended in general.
– Kamil Maciorowski
4 hours ago
2
@JoshM., rather than using/bin/ls, change your alias to what Tomak suggested and you will get the better behavior automatically.
– John1024
4 hours ago
1
@JoshM. You can also uselsfor an unaliasedlsorcommand lsfor/bin/ls.
– Freddy
4 hours ago
2
Yes, @Freddy, very true. But, usingalias ls='/bin/ls --color'is just a recipe for trouble.
– John1024
4 hours ago
add a comment |
Thank you. I assume this is just a "known thing" and people understand ls + sorting should be done directly via/bin/lsvs.ls.
– Josh M.
4 hours ago
4
@JoshM. Well, sorting should be done bylsitself, if possible. Sorting withsortis parsing, not recommended in general.
– Kamil Maciorowski
4 hours ago
2
@JoshM., rather than using/bin/ls, change your alias to what Tomak suggested and you will get the better behavior automatically.
– John1024
4 hours ago
1
@JoshM. You can also uselsfor an unaliasedlsorcommand lsfor/bin/ls.
– Freddy
4 hours ago
2
Yes, @Freddy, very true. But, usingalias ls='/bin/ls --color'is just a recipe for trouble.
– John1024
4 hours ago
Thank you. I assume this is just a "known thing" and people understand ls + sorting should be done directly via
/bin/ls vs. ls.– Josh M.
4 hours ago
Thank you. I assume this is just a "known thing" and people understand ls + sorting should be done directly via
/bin/ls vs. ls.– Josh M.
4 hours ago
4
4
@JoshM. Well, sorting should be done by
ls itself, if possible. Sorting with sort is parsing, not recommended in general.– Kamil Maciorowski
4 hours ago
@JoshM. Well, sorting should be done by
ls itself, if possible. Sorting with sort is parsing, not recommended in general.– Kamil Maciorowski
4 hours ago
2
2
@JoshM., rather than using
/bin/ls, change your alias to what Tomak suggested and you will get the better behavior automatically.– John1024
4 hours ago
@JoshM., rather than using
/bin/ls, change your alias to what Tomak suggested and you will get the better behavior automatically.– John1024
4 hours ago
1
1
@JoshM. You can also use
ls for an unaliased ls or command ls for /bin/ls.– Freddy
4 hours ago
@JoshM. You can also use
ls for an unaliased ls or command ls for /bin/ls.– Freddy
4 hours ago
2
2
Yes, @Freddy, very true. But, using
alias ls='/bin/ls --color' is just a recipe for trouble.– John1024
4 hours ago
Yes, @Freddy, very true. But, using
alias ls='/bin/ls --color' is just a recipe for trouble.– John1024
4 hours ago
add a comment |
In the sorted colored output ls|sort, we can see that the last line xyz-0.0.1-1554323568.rpm is the first line
of the non-colored output. The other lines are sorted equally.
If we have at a look at the colored escape codes (non-sorted), we can see that the first
line starts with a different escape code ^[[0m. This is causing the wrong order when sorted (^[[01 before ^[[0m).
$ /bin/ls --color xyz* | cat -A
^[[0m^[[01;31mxyz-0.0.1-1554323568.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554490900.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554745305.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554751021.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555513460.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555951745.rpm^[[0m$
answered 4 hours ago
FreddyFreddy
3435
add a comment |
In the sorted colored output ls|sort, we can see that the last line xyz-0.0.1-1554323568.rpm is the first line
of the non-colored output. The other lines are sorted equally.
If we have at a look at the colored escape codes (non-sorted), we can see that the first
line starts with a different escape code ^[[0m. This is causing the wrong order when sorted (^[[01 before ^[[0m).
$ /bin/ls --color xyz* | cat -A
^[[0m^[[01;31mxyz-0.0.1-1554323568.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554490900.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554745305.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554751021.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555513460.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555951745.rpm^[[0m$
answered 4 hours ago
FreddyFreddy
3435
add a comment |
In the sorted colored output ls|sort, we can see that the last line xyz-0.0.1-1554323568.rpm is the first line
of the non-colored output. The other lines are sorted equally.
If we have at a look at the colored escape codes (non-sorted), we can see that the first
line starts with a different escape code ^[[0m. This is causing the wrong order when sorted (^[[01 before ^[[0m).
$ /bin/ls --color xyz* | cat -A
^[[0m^[[01;31mxyz-0.0.1-1554323568.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554490900.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554745305.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554751021.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555513460.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555951745.rpm^[[0m$
answered 4 hours ago
FreddyFreddy
3435
In the sorted colored output ls|sort, we can see that the last line xyz-0.0.1-1554323568.rpm is the first line
of the non-colored output. The other lines are sorted equally.
If we have at a look at the colored escape codes (non-sorted), we can see that the first
line starts with a different escape code ^[[0m. This is causing the wrong order when sorted (^[[01 before ^[[0m).
$ /bin/ls --color xyz* | cat -A
^[[0m^[[01;31mxyz-0.0.1-1554323568.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554490900.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554745305.rpm^[[0m$
^[[01;31mxyz-0.0.1-1554751021.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555513460.rpm^[[0m$
^[[01;31mxyz-0.0.1-1555951745.rpm^[[0m$
answered 4 hours ago
FreddyFreddy
3435
answered 4 hours ago
FreddyFreddy
3435
answered 4 hours ago
FreddyFreddy
3435
answered 4 hours ago
FreddyFreddy
3435
3435
add a comment |
add a comment |
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