The littleutils are a collection of small and
simple utilities that I believe users (and script-writers in particular) will
find useful.

The basic littleutils include the following utilities:
filedate - print the modification times of the specified files
filehash - print MD5 and SHA1 digests and filesizes for the specified files
filemode - print the file access permissions of the specified files
filenode - print the inode number of the specified files
filesize - print the file size of the specified files
randomize - randomize lines from one or more files or from stdin
realpath - print the real path of the specified files
tempname - creates a unique temporary file for use by shell scripts

There are some simple image processing utilities:
imagsize - figure out the image size of various image formats
jpgcom - print any comments present in the specified JPEG image files
pngrecolor - rewrite a PNG file with a minimal palette
pngstrip - rewrite a PNG file with all extraneous information removed

There are some text file "cleanup" utilities:
notabs - convert all tab characters to spaces in text files
notrail - remove all trailing spaces characters from text files
lreplace - perform string substitutions on text files

There are some compression optimization utilities:
opt-gif - losslessly optimize GIF image files
opt-jpg - losslessly optimize JPEG image files
opt-png - losslessly optimize PNG image files
recomp-jpg - recompress JPEG image files to a lower quality level
to-bzip - converts .Z (compress) and .gz (gzip) files to .bz2 (bzip2)
to-7zip - converts .Z, .gz, and .bz2 files to .7z (p7zip) [extra only]
to-lzip - converts .Z, .gz, and .bz2 files to .lz (lzip)
to-lzma - converts .Z, .gz, and .bz2 files to .lzma (lzma_alone)
to-xz - converts .Z, .gz, and .bz2 files to .xz (xz)

There are some file maintenance utilites:
lowercase - rename files to all-lowercase filenames
uppercase - rename files to all-uppercase filenames
frenum - rename/renumber files using a variety of renaming schemes
pren - rename files using Perl regular expressions [extra only]
repeats - searches for duplicate files in the specified directories