File Cat Command

V4.0.2

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --no-progress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 file cat [-h] [--no-progress] [--source-server-side-encryption {SSE-C}]
            [--source-server-side-encryption-algorithm {AES256}]
            [--write-buffer-size BYTES] [--skip-hash-verification]
            B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --no-progress
  Progress will not be reported.
  Default: False
• --source-server-side-encryption
  Possible values: SSE-C
• --source-server-side-encryption-algorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V4.0.1

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --no-progress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 file cat [-h] [--no-progress] [--source-server-side-encryption {SSE-C}]
            [--source-server-side-encryption-algorithm {AES256}]
            [--write-buffer-size BYTES] [--skip-hash-verification]
            B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --no-progress
  Progress will not be reported.
  Default: False
• --source-server-side-encryption
  Possible values: SSE-C
• --source-server-side-encryption-algorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V4.0.0

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --no-progress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 file cat [-h] [--no-progress] [--source-server-side-encryption {SSE-C}]
            [--source-server-side-encryption-algorithm {AES256}]
            [--write-buffer-size BYTES] [--skip-hash-verification]
            B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --no-progress
  Progress will not be reported.
  Default: False
• --source-server-side-encryption
  Possible values: SSE-C
• --source-server-side-encryption-algorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V3.19.1

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --no-progress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 cat [-h] [--no-progress] [--source-server-side-encryption {SSE-C}]
       [--source-server-side-encryption-algorithm {AES256}]
       [--write-buffer-size BYTES] [--skip-hash-verification]
       B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --no-progress
  Progress will not be reported.
  Default: False
• --source-server-side-encryption
  Possible values: SSE-C
• --source-server-side-encryption-algorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V3.19.0

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --no-progress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 cat [-h] [--no-progress] [--source-server-side-encryption {SSE-C}]
       [--source-server-side-encryption-algorithm {AES256}]
       [--write-buffer-size BYTES] [--skip-hash-verification]
       B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --no-progress
  Progress will not be reported.
  Default: False
• --source-server-side-encryption
  Possible values: SSE-C
• --source-server-side-encryption-algorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V3.18.0

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --no-progress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 cat [-h] [--no-progress] [--source-server-side-encryption {SSE-C}]
       [--source-server-side-encryption-algorithm {AES256}]
       [--write-buffer-size BYTES] [--skip-hash-verification]
       B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --no-progress
  Progress will not be reported.
  Default: False
• --source-server-side-encryption
  Possible values: SSE-C
• --source-server-side-encryption-algorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V3.17.0

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --noProgress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 cat [-h] [--noProgress] [--sourceServerSideEncryption {SSE-C}]
       [--sourceServerSideEncryptionAlgorithm {AES256}]
       [--write-buffer-size BYTES] [--skip-hash-verification]
       B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --noProgress
  Progress will not be reported.
  Default: False
• --sourceServerSideEncryption
  Possible values: SSE-C
• --sourceServerSideEncryptionAlgorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V3.16.1

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --noProgress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 cat [-h] [--noProgress] [--sourceServerSideEncryption {SSE-C}]
       [--sourceServerSideEncryptionAlgorithm {AES256}]
       [--write-buffer-size BYTES] [--skip-hash-verification]
       B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --noProgress
  Progress will not be reported.
  Default: False
• --sourceServerSideEncryption
  Possible values: SSE-C
• --sourceServerSideEncryptionAlgorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V3.16.0

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --noProgress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 cat [-h] [--noProgress] [--sourceServerSideEncryption {SSE-C}]
       [--sourceServerSideEncryptionAlgorithm {AES256}]
       [--write-buffer-size BYTES] [--skip-hash-verification]
       B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --noProgress
  Progress will not be reported.
  Default: False
• --sourceServerSideEncryption
  Possible values: SSE-C
• --sourceServerSideEncryptionAlgorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V3.15.0

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --noProgress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 cat [-h] [--noProgress] [--sourceServerSideEncryption {SSE-C}]
       [--sourceServerSideEncryptionAlgorithm {AES256}]
       [--write-buffer-size BYTES] [--skip-hash-verification]
       B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --noProgress
  Progress will not be reported.
  Default: False
• --sourceServerSideEncryption
  Possible values: SSE-C
• --sourceServerSideEncryptionAlgorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

V3.14.0

This command downloads the content of a file-like object that is identified by a Backblaze B2 Cloud Storage URI directly to a standard output.

If the tqdm library is installed, a progress bar is displayed on stderr. Without it, simple text progress is printed. Use --noProgress to disable progress reporting. This marginally improves performance in some cases.

Use –write-buffer-size to set the size (in bytes) of the buffer that is used to write files.

Use –skip-hash-verification to disable the hash check on downloaded files.

b2 cat [-h] [--noProgress] [--sourceServerSideEncryption {SSE-C}]
       [--sourceServerSideEncryptionAlgorithm {AES256}]
       [--write-buffer-size BYTES] [--skip-hash-verification]
       B2_URI

Required Capabilities

• readFiles

Positional Arguments

• B2_URI
  Points to a file (for example, b2://yourBucket/file.txt or b2id://fileId).

Named Arguments

• --noProgress
  Progress will not be reported.
  Default: False
• --sourceServerSideEncryption
  Possible values: SSE-C
• --sourceServerSideEncryptionAlgorithm
  Possible values: AES256
  Default: “AES256”
• --write-buffer-size
• --skip-hash-verification
  Default: False

This command is not included in version 2.1.0.

This command is not included in version 2.2.0.

This command is not included in version 2.3.0.

This command is not included in version 2.4.0.

This command is not included in version 2.5.0.

This command is not included in version 2.5.1.

This command is not included in version 3.0.0.

This command is not included in version 3.0.1.

This command is not included in version 3.0.2.

This command is not included in version 3.0.3.

This command is not included in version 3.1.0.

This command is not included in version 3.2.0.

This command is not included in version 3.2.1.

This command is not included in version 3.3.0.

This command is not included in version 3.4.0.

This command is not included in version 3.5.0.

This command is not included in version 3.6.0.

This command is not included in version 3.7.0.

This command is not included in version 3.7.1.

This command is not included in version 3.8.0.

This command is not included in version 3.9.0.

This command is not included in version 3.12.0.

This command is not included in version 3.13.0.

This command is not included in version 3.13.1.