Zig Requires Chilkat v11.0.0+

Unzip Some Files by Iterating over Entries

See more Zip Examples

Demonstrates how to unzip specific files by iterating over entries in a .zip. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    var success: bool = false;

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    const zip = try chilkat.Zip.init();
    defer zip.deinit();

    // Open a .zip containing:
    //
    // a1.xml
    // b1.xml
    // c1.xml
    // dir1/a2.xml
    // dir1/c2.xml
    // dir2/dir3/c3.xml

    // We wish to unzip only a1.xml, b1.xml, and c1.xml
    success = if (zip.openZip("qa_data/zips/xml_files.zip")) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try zip.getLastErrorText(alloc)});
        return;
    }

    const sb_filename = try chilkat.StringBuilder.init();
    defer sb_filename.deinit();

    const entry = try chilkat.ZipEntry.init();
    defer entry.deinit();
    const num_entries = zip.getNumEntries();
    var i: i32 = 0;
    while (i < num_entries) {
        zip.entryAt(i, entry) catch {};

        const entry_file_path = try entry.getFileName(alloc);
        std.debug.print("{s}\n", .{entry_file_path});

        if (!entry.getIsDirectory()) {
            sb_filename.setString(entry_file_path) catch {};
            if (!sb_filename.contains("/", false)) {
                // Does not contain "/"
                // Unzip to the qa_output directory.
                success = if (entry.extract("qa_output")) true else |_| false;
                if (!success) {
                    std.debug.print("Failed to unzip {s}\n", .{entry_file_path});
                } else {
                    std.debug.print("Unzipped {s}\n", .{entry_file_path});
                }
            }
        }

        i = i + 1;
    }
}