Adds files to archive.
7z a archive1.zip subdir/
adds all files and subfolders from folder subdir to archive archive1.zip. The filenames in archive will contain subdir/ prefix.
7z a archive2.zip ./subdir/*
adds all files and subfolders from folder subdir to archive archive2.zip. The filenames in archive will not contain subdir/ prefix.
cd /dir1 7z a archive3.zip dir2/dir3/The filenames in archive archive3.zip will contain dir2/dir3/ prefix, but they will not contain /dir1/ prefix.
7z a Files.7z *.txt -r
adds all *.txt files from current folder and its subfolders to archive Files.7z.
7-Zip doesn't use the system wildcard parser. 7-Zip doesn't follow the archaic rule by which *.* means any file. 7-Zip treats *.* as matching the name of any file that has an extension. To process all files, you must use a * wildcard.
-i (Include)
-m (Method)
-p (Set Password)
-r (Recurse)
-sfx (create SFX)
-si (use StdIn)
-so (use StdOut)
-t (Type of archive)
-u (Update)
-v (Volumes)
-w (Working Dir)
-x (Exclude)
Commands:
d (Delete),
u (Update)
Switches:
-u (Update)