gzread()
Reads maximum "len" bytes from the file "path" into the variable "content".
Synopsis
int gzread(string path, string | blob &content, int len[, int
offset]);
Parameters
| Parameter | Description |
|---|---|
| path | Describes the file. If the file does not end with ".gz", The function adds ".gz" to the file name. |
| content | The function reads the bytes from the file into the variable content. The variable has to be of type string or blob. Anytype and mixed are not allowed. |
| len | The function reads maximum of len compressed bytes. |
| offset | The function reads as of the position offset, the compressed data. |
Return value
Number of bytes the function read.
0 if the function does not read any bytes,
-1 in case of an error.
Error
The function returns -1 in case of errors.
Description
Reads maximum "len"; bytes from the file "path"; into the variable "content";.
Example
The function gzwrite() compresses the content and writes the result into the file test2.txt. The function gzread() reads 30 bytes from the file test2.txt into the variable tar.
#uses "CtrlZlib"
main()
{
string cont = "Hello this is the second test";
string filPath = "c:/test2.txt";
gzwrite(filPath, cont);
DebugN("Compressed content", filPath);
int retVal;
string tar;
int len = 30;
retVal = gzread(filPath, tar, len);
DebugN("Return value:", retVal, "Content", tar);
}Assignment
File function
Availability
CTRL
