Diffs the two arguments recursively and writes the
output (unified format) to a timestamped file.
-: **memusage()**
-Prints the summarized memory usage in bytes.
-
: **mggogle()**
Searches Google Groups for a USENET message-ID.
Lists the contents of a (compressed) archive with the appropriate programs.
The choice is made along the filename extension.
-: **shtar()**
-Lists the content of a gzipped tar archive in default pager.
-
-: **shzip()**
-Shows the content of a zip archive in default pager.
-
: **simple-extract()**
Tries to uncompress/unpack given files with the appropriate programs. If an URI
starting with https, http or ftp is provided simple-extract tries to download
: **uchange()**
Shows upstreams changelog of a given package in $PAGER.
-: **udiff()**
-Makes a unified diff of the command line arguments trying hard to find a
-smaller set of changes. Descends recursively into subdirectories. Ignores
-hows some information about current status.
-
: **uprint()**
Works around the "print -l ${(u)foo}"-limitation on zsh older than 4.2.