Bash Output
Bash Things output.
echo "Using conditional statement to create a project directory and project"
# Variable section
export project_dir=$HOME/vscode # change vscode to different name to test git clone
export project=$project_dir/APCSP # change APCSP to name of project from git clone
export project_repo="https://github.com/nighthawkcoders/APCSP.git" # change to project of choice
cd ~ # start in home directory
# Conditional block to make a project directory
if [ ! -d $project_dir ]
then
echo "Directory $project_dir does not exists... makinng directory $project_dir"
mkdir -p $project_dir
fi
echo "Directory $project_dir exists."
# Conditional block to git clone a project from project_repo
if [ ! -d $project ]
then
echo "Directory $project does not exists... cloning $project_repo"
cd $project_dir
git clone $project_repo
cd ~
fi
echo "Directory $project exists."
echo "Navigate to project, then navigate to area wwhere files were cloned"
cd $project
pwd
echo ""
echo "list top level or root of files with project pulled from github"
ls
echo ""
echo "list again with hidden files pulled from github"
ls -a # hidden files flag, many shell commands have flags
echo ""
echo "list all files in long format"
ls -al # all files and long listing
echo "Look for posts"
export posts=$project/_posts # _posts inside project
cd $posts # this should exist per fastpages
pwd # present working directory
ls -l # list posts
echo "Look for notebooks"
export notebooks=$project/_notebooks # _notebooks is inside project
cd $notebooks # this should exist per fastpages
pwd # present working directory
ls -l # list notebooks
echo "Look for images in notebooks, print working directory, list files"
cd $notebooks/images # this should exist per fastpages
pwd
ls -l
echo "Navigate to project, then navigate to area wwhere files were cloned"
cd $project
echo "show the contents of README.md"
echo ""
cat README.md # show contents of file, in this case markdown
echo ""
echo "end of README.md"
echo "Show the shell environment variables, key on left of equal value on right"
echo ""
env
cd $project
echo ""
echo "show the secrets of .git"
cd .git
ls -l
echo ""
echo "look at config file"
cat config
cd /tmp
file="sample.md"
if [ -f "$file" ]; then
rm $file
fi
tee -a $file >/dev/null <<EOF
# Show Generated Markdown
This introductory paragraph and this line and the title above are generated using tee with the standard input (<<) redirection operator.
- This bulleted element is still part of the tee body.
EOF
echo "- This bulleted element and lines below are generated using echo with standard output (>>) redirection operator." >> $file
echo "- The list definition, as is, is using space to seperate lines. Thus the use of commas and hyphens in output." >> $file
actions=("ls,list-directory" "cd,change-directory" "pwd,present-working-directory" "if-then-fi,test-condition" "env,bash-environment-variables" "cat,view-file-contents" "tee,write-to-output" "echo,display-content-of-string" "echo_text_>\$file,write-content-to-file" "echo_text_>>\$file,append-content-to-file")
for action in ${actions[@]}; do # for loop is very similar to other language, though [@], semi-colon, do are new
action=${action//-/ } # convert dash to space
action=${action//,/: } # convert comma to colon
action=${action//_text_/ \"sample text\" } # convert _text_ to sample text, note escape character \ to avoid "" having meaning
echo " - ${action//-/ }" >> $file # echo is redirected to file with >>
done
echo ""
echo "File listing and status"
ls -l $file # list file
wc $file # show words
mdless $file # this requires installation, but renders markown from terminal
rm $file # clean up termporary file