SHELL

bash read file

#if you want to display the contents of a file on the terminal, do:
$ cat filename.file

bash read file and output

$ VAR='/home/pax/file.c'
$ DIR="$(dirname "${VAR}")" ; FILE="$(basename "${VAR}")"
$ echo "[${DIR}] [${FILE}]"
[/home/pax] [file.c]

bash read file and output

#!/bin/bash
firstString="I love Suzi and Marry"
secondString="Sara"
echo "${firstString/Suzi/"$secondString"}"    
# prints 'I love Sara and Marry'

bash read file and output

#/usr/bin/env bash
    DIRECTORY="/home/user/example/foo/bar"
    BASE_DIRECTORY=$(echo "$DIRECTORY" | cut -d "/" -f2)
    echo "#$BASE_DIRECTORY#";

bash read file and output

APP_ROOT=$(dirname $(dirname $(readlink -fm $0)))

bash read file and output

for each in "${alpha[@]}"
do
  echo "$each"
done

bash read file and output

#!/bin/bash
value=$(pwd)
regex='.*/([a-zA-Z0-9._]*)/([a-zA-Z0-9._]*)$'
echo You are here: $value
echo The folder is: ${value##*/}
[[ $value =~ $regex ]]
echo Parent folder: ${BASH_REMATCH[1]}

bash read file and output

$/> npm init -y