Useful Bash aliases

bash_aliases.sh

## Working with shell

# - [r]e[m]ove [d]irectory
alias rmd='rm -rf'

# - [l]ist in [h]uman format
alias lh='ls -lh'

# - [l]ist [u]sage
alias lu='ls | xargs -d "\n" du -sh'

# - [l]ist [u]sage [s]orted
alias lus='ls | xargs -d "\n" du -sh | sort -hr'

# - list file counts per directory
alias lfc='find . -maxdepth 1 -type d | while read -r dir; do printf "%s:\t" "$dir"; find "$dir" -type f | wc -l; done'

# - [less] with e[s]
alias lesss='less -S'


## curl and wget

# - show response headers
alias curl_headers='curl -s -I -X GET'
# alias curl_headers='curl -s -D - -o /dev/null'

# - get list of all URLs on the website excluding asset files
alias wget_spider="wget --spider -r https://www.hpe.at 2>&1 | grep '^--' | awk '{ print $3 }' | grep -v '\.\(css\|js\|png\|gif\|jpg\|jpeg\|webp\)$'"


## Git

# - reset local commits, stash the changes, pull from remote and reapply them from stash
alias reroll_local_commits='git reset --soft HEAD^ && git stash && git pull && git stash pop'


## NPM

# - list installed packages without dependencies (append -g to display globally installed packages)
alias npm_list_flat='npm list --depth=0'


## Working with text files

# - convert Windows line endings with Unix line endings [i]n place (= needs filename)
alias dos2unix='sed -i "s/\r//g"'
# - convert Windows line endings in specific text files (CSS, HTML, JS, PHP and TXT) in current directory
alias convert-line-endings="find . \( -name '*.css' -o -name '*.html' -o -name '*.js' -o -name '*.php' -o -name '*.txt' \) -type f -execdir sed -i 's/\r//g' '{}' +"

# - drop any lines that are visually empty (ie. have only tabs and spaces)
alias remove-empty-lines='sed "/^\s*$/d"'

# - drop any lines that are (truly) empty
alias remove-truly-empty-lines='sed "/^$/d"'


## Random utils

# - pseudo random string (append length parameter)
alias pseudorandomstring='< /dev/urandom tr -dc A-Z-a-z-0-9 | head -c'


## Syncing (and deploying)

# Sync a (git) repository
# Params: -[r]ecursive -preserve [t]imestamps -compre[z] -[v]erbose
# Also, exclude any hidden files and directories.
alias rsync_repo='rsync -rtzv --delete --delete-excluded --exclude=".*"'

# Deploy web (development to production) via rsync
# Note: add trailing slash to <src-dir> in order to sync directory contents rather than directory itself (adding trailing slash to <tgt-dir> makes no difference)
# Example: rsync_web ~/local/project_dir/ ~/remote/project_dir/web/
# Params: -[r]ecursive -preserve sym[l]inks -preserve [t]imestamps -compre[z] -[v]erbose
alias rsync_web='rsync -rltzv --delete'


## Sysadmin

# Debian: list all services ([-] stopped or [+] running)
alias list_services='service --status-all'