Is it possible to search for a directory/file combination?

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I need to find an image, say ABC.jpg, that I know will have been programmatically placed into a directory named ABC_MPSC. I've tried:

cd /

find . -name "ABC_MPSC/ABC.jpg"

But that doesn't return anything (I actually know where the particular one I'm searching for is, so I know it exists). Is there a find command that could have helped me not have to search manually?

asked Mar 29 at 18:27

PascLeRasc

1534

New contributor

Very similar: unix.stackexchange.com/q/342392/117549; also: unix.stackexchange.com/q/352844/117549

– Jeff Schaller♦
Mar 29 at 18:31

2

You can also find it using locate, which should be significantly faster, but only works if the file already existed when updatedb was last run.

– Simon Richter
Mar 29 at 20:01

add a comment |

I need to find an image, say ABC.jpg, that I know will have been programmatically placed into a directory named ABC_MPSC. I've tried:

cd /

find . -name "ABC_MPSC/ABC.jpg"

But that doesn't return anything (I actually know where the particular one I'm searching for is, so I know it exists). Is there a find command that could have helped me not have to search manually?

asked Mar 29 at 18:27

PascLeRasc

1534

New contributor

Very similar: unix.stackexchange.com/q/342392/117549; also: unix.stackexchange.com/q/352844/117549

– Jeff Schaller♦
Mar 29 at 18:31

2

You can also find it using locate, which should be significantly faster, but only works if the file already existed when updatedb was last run.

– Simon Richter
Mar 29 at 20:01

add a comment |

I need to find an image, say ABC.jpg, that I know will have been programmatically placed into a directory named ABC_MPSC. I've tried:

cd /

find . -name "ABC_MPSC/ABC.jpg"

But that doesn't return anything (I actually know where the particular one I'm searching for is, so I know it exists). Is there a find command that could have helped me not have to search manually?

asked Mar 29 at 18:27

PascLeRasc

1534

New contributor

I need to find an image, say ABC.jpg, that I know will have been programmatically placed into a directory named ABC_MPSC. I've tried:

cd /

find . -name "ABC_MPSC/ABC.jpg"

But that doesn't return anything (I actually know where the particular one I'm searching for is, so I know it exists). Is there a find command that could have helped me not have to search manually?

find

asked Mar 29 at 18:27

PascLeRasc

1534

New contributor

asked Mar 29 at 18:27

PascLeRasc

1534

New contributor

asked Mar 29 at 18:27

PascLeRasc

1534

New contributor

asked Mar 29 at 18:27

PascLeRasc

1534

asked Mar 29 at 18:27

PascLeRasc

1534

New contributor

PascLeRasc is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

Very similar: unix.stackexchange.com/q/342392/117549; also: unix.stackexchange.com/q/352844/117549

– Jeff Schaller♦
Mar 29 at 18:31

2

You can also find it using locate, which should be significantly faster, but only works if the file already existed when updatedb was last run.

– Simon Richter
Mar 29 at 20:01

add a comment |

Very similar: unix.stackexchange.com/q/342392/117549; also: unix.stackexchange.com/q/352844/117549

– Jeff Schaller♦
Mar 29 at 18:31

2

You can also find it using locate, which should be significantly faster, but only works if the file already existed when updatedb was last run.

– Simon Richter
Mar 29 at 20:01

Very similar: unix.stackexchange.com/q/342392/117549; also: unix.stackexchange.com/q/352844/117549

– Jeff Schaller♦
Mar 29 at 18:31

You can also find it using locate, which should be significantly faster, but only works if the file already existed when updatedb was last run.

– Simon Richter
Mar 29 at 20:01

add a comment |

2 Answers
2

active

oldest

votes

There's a -path predicate that's useful here:

find . -path '*/ABC_MPSC/ABC.jpg'

The POSIX description for that predicate is:

The primary shall evaluate as true if the current pathname matches pattern using the pattern matching notation described in Pattern Matching Notation. The additional rules in Patterns Used for Filename Expansion do not apply as this is a matching operation, not an expansion.

The reason that your -name "ABC_MPSC/ABC.jpg" failed is because the -name predicate:

shall evaluate as true if the basename of the current pathname matches pattern

In other words, -name never sees the directory of the current filename, only the base filename itself (ABC.jpg, for example).

edited Mar 29 at 18:40

answered Mar 29 at 18:30

Jeff Schaller♦

44.6k1162145

add a comment |

Two ways (apart from using -path):

Look for the directory, then detect the file:
```
find / -type d -name 'ABC_MPSC' -exec test -f {}/ABC.jpg ; -print
```
This relies on the find implementation to expand {} to the current pathname of the found directory, even though it's concatenated with /ABC.jpg (it's not required to do that). It could also be written as
```
find / -type d -name 'ABC_MPSC' 

    -exec sh -c 'test -f "$1"/ABC.jpg' sh {} ; -print
```

Look for the file, then check it's parent directory name:

find / -type f -name 'ABC.jpg' -exec sh -c '

    case $(dirname "$1") in

        */ABC_MPSC) exit 0 ;;

        *) exit 1

    esac' sh {} ; -print

Both of these alternatives would be slower than using -path in the way as Jeff shows. I'm leaving them here as examples none the less, as they could possibly be adapted for other things.

edited Mar 29 at 23:34

answered Mar 29 at 18:37

Kusalananda♦

139k17261433

add a comment |

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2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

There's a -path predicate that's useful here:

find . -path '*/ABC_MPSC/ABC.jpg'

The POSIX description for that predicate is:

The primary shall evaluate as true if the current pathname matches pattern using the pattern matching notation described in Pattern Matching Notation. The additional rules in Patterns Used for Filename Expansion do not apply as this is a matching operation, not an expansion.

The reason that your -name "ABC_MPSC/ABC.jpg" failed is because the -name predicate:

shall evaluate as true if the basename of the current pathname matches pattern

In other words, -name never sees the directory of the current filename, only the base filename itself (ABC.jpg, for example).

edited Mar 29 at 18:40

answered Mar 29 at 18:30

Jeff Schaller♦

44.6k1162145

add a comment |

There's a -path predicate that's useful here:

find . -path '*/ABC_MPSC/ABC.jpg'

The POSIX description for that predicate is:

The primary shall evaluate as true if the current pathname matches pattern using the pattern matching notation described in Pattern Matching Notation. The additional rules in Patterns Used for Filename Expansion do not apply as this is a matching operation, not an expansion.

The reason that your -name "ABC_MPSC/ABC.jpg" failed is because the -name predicate:

shall evaluate as true if the basename of the current pathname matches pattern

In other words, -name never sees the directory of the current filename, only the base filename itself (ABC.jpg, for example).

edited Mar 29 at 18:40

answered Mar 29 at 18:30

Jeff Schaller♦

44.6k1162145

add a comment |

There's a -path predicate that's useful here:

find . -path '*/ABC_MPSC/ABC.jpg'

The POSIX description for that predicate is:

The primary shall evaluate as true if the current pathname matches pattern using the pattern matching notation described in Pattern Matching Notation. The additional rules in Patterns Used for Filename Expansion do not apply as this is a matching operation, not an expansion.

The reason that your -name "ABC_MPSC/ABC.jpg" failed is because the -name predicate:

shall evaluate as true if the basename of the current pathname matches pattern

In other words, -name never sees the directory of the current filename, only the base filename itself (ABC.jpg, for example).

edited Mar 29 at 18:40

answered Mar 29 at 18:30

Jeff Schaller♦

44.6k1162145

There's a -path predicate that's useful here:

find . -path '*/ABC_MPSC/ABC.jpg'

The POSIX description for that predicate is:

The primary shall evaluate as true if the current pathname matches pattern using the pattern matching notation described in Pattern Matching Notation. The additional rules in Patterns Used for Filename Expansion do not apply as this is a matching operation, not an expansion.

The reason that your -name "ABC_MPSC/ABC.jpg" failed is because the -name predicate:

shall evaluate as true if the basename of the current pathname matches pattern

In other words, -name never sees the directory of the current filename, only the base filename itself (ABC.jpg, for example).

edited Mar 29 at 18:40

answered Mar 29 at 18:30

Jeff Schaller♦

44.6k1162145

edited Mar 29 at 18:40

answered Mar 29 at 18:30

Jeff Schaller♦

44.6k1162145

answered Mar 29 at 18:30

Jeff Schaller♦

44.6k1162145

answered Mar 29 at 18:30

Jeff Schaller♦

44.6k1162145

add a comment |

Two ways (apart from using -path):

Look for the directory, then detect the file:
```
find / -type d -name 'ABC_MPSC' -exec test -f {}/ABC.jpg ; -print
```
This relies on the find implementation to expand {} to the current pathname of the found directory, even though it's concatenated with /ABC.jpg (it's not required to do that). It could also be written as
```
find / -type d -name 'ABC_MPSC' 

    -exec sh -c 'test -f "$1"/ABC.jpg' sh {} ; -print
```

Look for the file, then check it's parent directory name:

find / -type f -name 'ABC.jpg' -exec sh -c '

    case $(dirname "$1") in

        */ABC_MPSC) exit 0 ;;

        *) exit 1

    esac' sh {} ; -print

Both of these alternatives would be slower than using -path in the way as Jeff shows. I'm leaving them here as examples none the less, as they could possibly be adapted for other things.

edited Mar 29 at 23:34

answered Mar 29 at 18:37

Kusalananda♦

139k17261433

add a comment |

Two ways (apart from using -path):

Look for the directory, then detect the file:
```
find / -type d -name 'ABC_MPSC' -exec test -f {}/ABC.jpg ; -print
```
This relies on the find implementation to expand {} to the current pathname of the found directory, even though it's concatenated with /ABC.jpg (it's not required to do that). It could also be written as
```
find / -type d -name 'ABC_MPSC' 

    -exec sh -c 'test -f "$1"/ABC.jpg' sh {} ; -print
```

Look for the file, then check it's parent directory name:

find / -type f -name 'ABC.jpg' -exec sh -c '

    case $(dirname "$1") in

        */ABC_MPSC) exit 0 ;;

        *) exit 1

    esac' sh {} ; -print

Both of these alternatives would be slower than using -path in the way as Jeff shows. I'm leaving them here as examples none the less, as they could possibly be adapted for other things.

edited Mar 29 at 23:34

answered Mar 29 at 18:37

Kusalananda♦

139k17261433

add a comment |

Two ways (apart from using -path):

Look for the directory, then detect the file:
```
find / -type d -name 'ABC_MPSC' -exec test -f {}/ABC.jpg ; -print
```
This relies on the find implementation to expand {} to the current pathname of the found directory, even though it's concatenated with /ABC.jpg (it's not required to do that). It could also be written as
```
find / -type d -name 'ABC_MPSC' 

    -exec sh -c 'test -f "$1"/ABC.jpg' sh {} ; -print
```

Look for the file, then check it's parent directory name:

find / -type f -name 'ABC.jpg' -exec sh -c '

    case $(dirname "$1") in

        */ABC_MPSC) exit 0 ;;

        *) exit 1

    esac' sh {} ; -print

Both of these alternatives would be slower than using -path in the way as Jeff shows. I'm leaving them here as examples none the less, as they could possibly be adapted for other things.

edited Mar 29 at 23:34

answered Mar 29 at 18:37

Kusalananda♦

139k17261433

Two ways (apart from using -path):

Look for the directory, then detect the file:
```
find / -type d -name 'ABC_MPSC' -exec test -f {}/ABC.jpg ; -print
```
This relies on the find implementation to expand {} to the current pathname of the found directory, even though it's concatenated with /ABC.jpg (it's not required to do that). It could also be written as
```
find / -type d -name 'ABC_MPSC' 

    -exec sh -c 'test -f "$1"/ABC.jpg' sh {} ; -print
```

Look for the file, then check it's parent directory name:

find / -type f -name 'ABC.jpg' -exec sh -c '

    case $(dirname "$1") in

        */ABC_MPSC) exit 0 ;;

        *) exit 1

    esac' sh {} ; -print

Both of these alternatives would be slower than using -path in the way as Jeff shows. I'm leaving them here as examples none the less, as they could possibly be adapted for other things.

edited Mar 29 at 23:34

answered Mar 29 at 18:37

Kusalananda♦

139k17261433

edited Mar 29 at 23:34

answered Mar 29 at 18:37

Kusalananda♦

139k17261433

answered Mar 29 at 18:37

Kusalananda♦

139k17261433

answered Mar 29 at 18:37

Kusalananda♦

139k17261433

add a comment |

PascLeRasc is a new contributor. Be nice, and check out our Code of Conduct.

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