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How to reference a child directory, that is part of cwd's path?
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Is there a generic way to reference a path that is nested an arbitrary level deep along the cwd? This is almost like a reverse relative path lookup.
For example:
$ pwd
/Users/somebody/foo/bar/baz
$ echo /[3] <-- 3rd directory from / in current path
/Users/somebody/foo
$ echo ~/[1] <-- 1 directory from ~ in current path
~/foo
bash shell directory
edited Apr 11 at 19:58
ctrl-alt-delor
12.5k52662
asked Apr 11 at 16:45
J WJ W
61
New contributor
J W 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 |
Is there a generic way to reference a path that is nested an arbitrary level deep along the cwd? This is almost like a reverse relative path lookup.
For example:
$ pwd
/Users/somebody/foo/bar/baz
$ echo /[3] <-- 3rd directory from / in current path
/Users/somebody/foo
$ echo ~/[1] <-- 1 directory from ~ in current path
~/foo
bash shell directory
edited Apr 11 at 19:58
ctrl-alt-delor
12.5k52662
asked Apr 11 at 16:45
J WJ W
61
New contributor
J W is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Does this need to be done in bash? And how specific are you about the syntax? Could you call a function, sayfunc / 3orfunc ~ 1to get the result?
– Jeff Schaller♦
Apr 12 at 22:31
add a comment |
Is there a generic way to reference a path that is nested an arbitrary level deep along the cwd? This is almost like a reverse relative path lookup.
For example:
$ pwd
/Users/somebody/foo/bar/baz
$ echo /[3] <-- 3rd directory from / in current path
/Users/somebody/foo
$ echo ~/[1] <-- 1 directory from ~ in current path
~/foo
bash shell directory
edited Apr 11 at 19:58
ctrl-alt-delor
12.5k52662
asked Apr 11 at 16:45
J WJ W
61
New contributor
J W is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Is there a generic way to reference a path that is nested an arbitrary level deep along the cwd? This is almost like a reverse relative path lookup.
For example:
$ pwd
/Users/somebody/foo/bar/baz
$ echo /[3] <-- 3rd directory from / in current path
/Users/somebody/foo
$ echo ~/[1] <-- 1 directory from ~ in current path
~/foo
bash shell directory
bash shell directory
edited Apr 11 at 19:58
ctrl-alt-delor
12.5k52662
asked Apr 11 at 16:45
J WJ W
61
New contributor
J W is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Apr 11 at 19:58
ctrl-alt-delor
12.5k52662
asked Apr 11 at 16:45
J WJ W
61
New contributor
J W is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited Apr 11 at 19:58
ctrl-alt-delor
12.5k52662
edited Apr 11 at 19:58
ctrl-alt-delor
12.5k52662
edited Apr 11 at 19:58
ctrl-alt-delor
12.5k52662
12.5k52662
asked Apr 11 at 16:45
J WJ W
61
New contributor
J W is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Apr 11 at 16:45
J WJ W
61
asked Apr 11 at 16:45
J WJ W
61
61
New contributor
J W is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
J W is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
J W is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Does this need to be done in bash? And how specific are you about the syntax? Could you call a function, sayfunc / 3orfunc ~ 1to get the result?
– Jeff Schaller♦
Apr 12 at 22:31
add a comment |
Does this need to be done in bash? And how specific are you about the syntax? Could you call a function, sayfunc / 3orfunc ~ 1to get the result?
– Jeff Schaller♦
Apr 12 at 22:31
Does this need to be done in bash? And how specific are you about the syntax? Could you call a function, say
func / 3 or func ~ 1 to get the result?– Jeff Schaller♦
Apr 12 at 22:31
Does this need to be done in bash? And how specific are you about the syntax? Could you call a function, say
func / 3 or func ~ 1 to get the result?– Jeff Schaller♦
Apr 12 at 22:31
add a comment |
1 Answer
1
active
oldest
votes
Put these functions into your .bashrc:
parent()
local count
local arg
count=$(($1+1))
if [ "$2" = "" ]
then
arg="$PWD"
else
arg="$2"
if [[ $arg != /* ]]
then
printf 'Warning: "%s" does not begin with "/".n' "$arg"
fi
fi
cut -d/ -f1-"$count" <<< "$arg"
tparent() cut -d/ -f1-"$count"
It uses cut -d/ -f1-number
to extract the first N components of a pathname. number has to be N+1
because the null string before the first / counts as the first field.
Usage:
$ pwd
/home/gman/stack/JW
$ parent 3
/home/gman/stack
$ tparent 1
~/stack
This can handle paths with spaces and tabs, but not newlines.
answered Apr 11 at 19:01
G-ManG-Man
13.7k93870
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Put these functions into your .bashrc:
parent()
local count
local arg
count=$(($1+1))
if [ "$2" = "" ]
then
arg="$PWD"
else
arg="$2"
if [[ $arg != /* ]]
then
printf 'Warning: "%s" does not begin with "/".n' "$arg"
fi
fi
cut -d/ -f1-"$count" <<< "$arg"
tparent() cut -d/ -f1-"$count"
It uses cut -d/ -f1-number
to extract the first N components of a pathname. number has to be N+1
because the null string before the first / counts as the first field.
Usage:
$ pwd
/home/gman/stack/JW
$ parent 3
/home/gman/stack
$ tparent 1
~/stack
This can handle paths with spaces and tabs, but not newlines.
answered Apr 11 at 19:01
G-ManG-Man
13.7k93870
add a comment |
Put these functions into your .bashrc:
parent()
local count
local arg
count=$(($1+1))
if [ "$2" = "" ]
then
arg="$PWD"
else
arg="$2"
if [[ $arg != /* ]]
then
printf 'Warning: "%s" does not begin with "/".n' "$arg"
fi
fi
cut -d/ -f1-"$count" <<< "$arg"
tparent() cut -d/ -f1-"$count"
It uses cut -d/ -f1-number
to extract the first N components of a pathname. number has to be N+1
because the null string before the first / counts as the first field.
Usage:
$ pwd
/home/gman/stack/JW
$ parent 3
/home/gman/stack
$ tparent 1
~/stack
This can handle paths with spaces and tabs, but not newlines.
answered Apr 11 at 19:01
G-ManG-Man
13.7k93870
add a comment |
Put these functions into your .bashrc:
parent()
local count
local arg
count=$(($1+1))
if [ "$2" = "" ]
then
arg="$PWD"
else
arg="$2"
if [[ $arg != /* ]]
then
printf 'Warning: "%s" does not begin with "/".n' "$arg"
fi
fi
cut -d/ -f1-"$count" <<< "$arg"
tparent() cut -d/ -f1-"$count"
It uses cut -d/ -f1-number
to extract the first N components of a pathname. number has to be N+1
because the null string before the first / counts as the first field.
Usage:
$ pwd
/home/gman/stack/JW
$ parent 3
/home/gman/stack
$ tparent 1
~/stack
This can handle paths with spaces and tabs, but not newlines.
answered Apr 11 at 19:01
G-ManG-Man
13.7k93870
Put these functions into your .bashrc:
parent()
local count
local arg
count=$(($1+1))
if [ "$2" = "" ]
then
arg="$PWD"
else
arg="$2"
if [[ $arg != /* ]]
then
printf 'Warning: "%s" does not begin with "/".n' "$arg"
fi
fi
cut -d/ -f1-"$count" <<< "$arg"
tparent() cut -d/ -f1-"$count"
It uses cut -d/ -f1-number
to extract the first N components of a pathname. number has to be N+1
because the null string before the first / counts as the first field.
Usage:
$ pwd
/home/gman/stack/JW
$ parent 3
/home/gman/stack
$ tparent 1
~/stack
This can handle paths with spaces and tabs, but not newlines.
answered Apr 11 at 19:01
G-ManG-Man
13.7k93870
answered Apr 11 at 19:01
G-ManG-Man
13.7k93870
answered Apr 11 at 19:01
G-ManG-Man
13.7k93870
answered Apr 11 at 19:01
G-ManG-Man
13.7k93870
13.7k93870
add a comment |
add a comment |
J W is a new contributor. Be nice, and check out our Code of Conduct.
J W is a new contributor. Be nice, and check out our Code of Conduct.
J W is a new contributor. Be nice, and check out our Code of Conduct.
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Does this need to be done in bash? And how specific are you about the syntax? Could you call a function, say
func / 3orfunc ~ 1to get the result?– Jeff Schaller♦
Apr 12 at 22:31