Lesser Parallel, a bash script library like the GNU Parallel. It only has lesser functions than the GNU Parallel. But it can use easily in any bash script by embedding.
Usage:
lesser-parallel [<options>] [<command> [<arguments> ...]] < <list_to_arguments>
cat ... | lesser-parallel [<options>] [<command> [<arguments> ...]]
Options:
-j <n> : Run <n> jobs in parallel.
-e [<file>] : Embed Lesser Parallel to <file>.
-h, --help : Display help and ext.
Arguments:
Each jobs receive input line from STDIN into placeholders.
Placeholders will be substituted with input line as below:
{} : Input line.
{.} : Input line without extention (pathname).
{/} : Input line without directory (basename).
{//} : Input line without basename (dirname).
{/.} : Input line without directory and extension (basename without suffix).
{#} : Job sequence number of paralell.
-e option embed a part of this script into FILE between the begin marker (# Lesser Parallel for Embedding) and the end marker (#/Lesser Parallel for Embedding).
The environment variable LESSER_PARALLEL_MAX_JOBS defines number of jobs to run up in parallel.