TYPESCRIPT

check if file exists bash

FILE=/etc/resolv.conf
if [ -f "$FILE" ]; then
    echo "$FILE exists."
else 
    echo "$FILE does not exist."
fi

.sh script: check if file exist

#!/bin/bash
if [ -e x.txt ]
then
    echo "ok"
else
    echo "nok"
fi

bash check file exists

if [ -f "myFile.txt" ]; then
  echo "File found"
fi

if ! [ -f "myFile.txt" ]; then
  echo "File not found"
fi

// or as a bash function

openAnything() {
    if [ -f "$@" ]; then // if file exist, open file...
        code $@  // add your prefered editor/program
    else 
        open $@ // if file not exist open as directory in finder
    fi
}

Check is file exist shell

FILE=/etc/resolv.conf
if [ -f "$FILE" ]; then
    echo "$FILE exists."
fi

bash script if file exists

[ -f /etc/resolv.conf ] && echo "$FILE exists."