This is the command makexvpics that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
makexvpics - create xv-compatible thumbnails
SYNOPSIS
makexvpics [ -fhRv ] picture_file_or_dir [ ... ]
DESCRIPTION
Makexvpics creates/updates xv/zgv/Gimp-compatible thumbnails for picture files such as
GIFs, JPEGs, etc. It may be useful if you want a non-interactive way of keeping such files
up to date.
The formats currently supported are GIF, JPEG, PNG, PBM/PGM/PPM, mrf, BMP, TGA, and PCX.
OPTIONS
-f force thumbnails to be updated. Ordinarily they're only updated if no thumbnail
exists or if the picture file is newer.
-h give usage help.
-R recurse into subdirectories.
-v be verbose - echo names (or rather, `basename's) of files which are being updated.
Use makexvpics online using onworks.net services