Unix for Artists: Fun with FFMPEG is a workshop hosted by the Echo Park Film Center.
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unix4artists/bash/variables.sh

33 lines
903 B

#!/bin/bash -e
#####################################################
#
# Variables are stored values that can be set locally
# in the script or inherited from your environment.
#
# Usage: bash bash/variables.sh
#
#####################################################
# Set this variable to run the script
VARIABLE=""
NUMBER=3
# Save output of the command "pwd" to a variable
# by running it in a subshell
CURRENT_DIR=`pwd`
# A different notation for subshells, this time
# saving the contents of a text file to a variable
FILE=$(cat text/cat1.txt)
if [ "${VARIABLE}" != "" ]; then
echo "Your variable: ${VARIABLE}"
echo "Your number: ${NUMBER}"
echo "Your current dir: ${CURRENT_DIR}"
# $PATH is an environment variable set by your system
echo "Your username: ${USER}"
echo "Your system \$PATH: ${PATH}"
else
echo "Please create within the quotes on line 13"
fi