accepts a command line argument for the process name, returns an exit code of 1 if the process is currently running

find_running_process.sh

#/bin/bash
# Usage: ./find_running_process.sh <process_name>
#        DEBUG=1 ./find_running_process.sh <process_name>

# Function to help with debug messages
debug_message () {
  if [ $DEBUG -eq 1 ]
  then
    echo $1
  fi
}

# Setup DEBUG var
if [ -z "$DEBUG" ]; then DEBUG=0; else DEBUG=1; fi

# Search for proc pid
PROC_PID=$(pgrep $1 || echo 0)

# Let user know whether or not debugging messages are enabled
debug_message "Debugging enabled"

# See if a pid was found
if [ $PROC_PID -eq 0 ]
then
  debug_message "Not found: $1"
  exit 0
else
  debug_message "Found running proc: $1:$PROC_PID"
  exit 1
fi