gist-cmd: kill the crappy temp filename in the gist

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
psgrep: fix handling for multiple arguments

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
wait-for-process: fix handling for multiple arguments

Signed-off-by: Christopher Larson <chris_larson@mentor.com>