Shell Programming and Scripting

echo "mv $(ls -ltr /Incoming/ABC_*  | tail -1 | awk '{print $NF}') /Incoming/Processing"

#!/bin/ksh
# The following assumes that this script will be run in the parent directory of the
# Incoming directory.  If this script will be run while sitting in the Incoming directory,
# remove the following cd and error checking.  Otherwise, cd to an absolute pathname
# for the Incoming directory.

if ! cd Incoming
then    echo "$0": processing aborted >&2
        exit 1
fi
ls -r ABC_[0-9][0-9][0-9][0-9][01][0-9][0-3][0-9].csv|(
        if read oldest
        then    if mv $oldest Processing/
                then    echo $oldest moved to Incoming/Processing.
                        exit 0
                else    echo $oldest not moved. >&2
                        exit 2
                fi
        else    echo $0: No matching Incoming file found. >&2
                exit 3
        fi
)