Delete files using semaphors.
Check for file existence.
Recursively search directory for files.
Get host name.
Get user name.
PROCESSING ON MULTIPLE CORES
Test parallel processing on multiple cores.
Another test for MULTICORE on Octave
Remove semaphore after file access.
Set semaphore for file access.
Start multi-core processing master process.
Start multi-core processing slave process.
Return temporary directory.
Do something stupid that takes some time to compute.
Do something stupid that takes some time to compute.
