Test

# line
if [ "$(ls -A ${base_dir}/schedule)" ]; then

    ls -A ${base_dir}/schedule | xargs -t -n 1 -P 20 ./warch.sh DEB ../
    rm "${base_dir}/schedule/*"

fi

# output
./warch.sh DEB ../ 1466-10389-data.nfo
./warch.sh DEB ../ 1466-10709-data.nfo
./warch.sh xargs: DEB ../ 1466-11230-data.nfo
./warch.sh./warch.sh DEB ../ 1466-11739-data.nfo
./warch.sh DEB ../ 1466-11752-data.nfo
./warch.sh DEB ../ 1466-13074-data.nfo
./warch.sh DEB ../ 1466-14009-data.nfo
: No such file or directory./warch.sh DEB ../
1466-1402-data.nfo
./warch.sh DEB ../ 1466-14401-data.nfo
./warch.sh DEB ../ 1466-14535-data.nfo
xargs: xargs: ./warch.sh./warch.sh: No such file or directoryxargs: : No such file or directory
./warch.sh
: No such file or directoryxargs:
./warch.sh: No such file or directory
jdaniel scripts $ xargs: ./warch.shxargs: : No such file or directory
./warch.sh: No such file or directoryxargs: ./warch.shxargs: ./warch.sh: No such file or directory

: No such file or directory
^C