| Tag Link | [File->Read] | Category | File |
|---|---|---|---|
| Type | Member | Source Available | Yes |
| Support | Preferred | Version | 7.0 |
| Change | Unchanged | Data Source | Any |
| Output Type | Bytes | Security | File |
| Implementation | LCAPI | Sets | Lasso 8.5, Lasso 8.0, Lasso 7.0 |
Reads data from a file. Requires the interger number of bytes to read as a parameter. Outputs the file data as bytes.
[File Variable->(Read: 256)]
| Required Parameters | |
|---|---|
| Integer | The integer number of bytes (characters) to read as a parameter. |
To read characters from a file:
Use the [File->Read] tag. The file object should be cast with an open mode that permits reading, and with the read mode set to File_ModeChar. The example below reads the first 256 characters of myfile.txt.
[Var:'File'=(File: 'myfile.txt', File_OpenRead, File_ModeChar)]
[$File->(Read: 256)]
[$File->Close]
To read lines from a file:
Use the [File->Read] tag. The file object should be cast with an open mode that permits reading, and with the read mode set to File_ModeLine. The example below reads the first 4 lines of myfile.txt.
[Var:'File'=(File: 'myfile.txt', File_OpenRead, File_ModeLine)]
[$File->(Read: 4)]
[$File->Close]
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