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.functions
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.functions
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# Make a directory and `cd` into it
mkd() {
mkdir -p "$@" && cd "$_"
}
# `cd` into a directory and `ls`
cdl() {
cd "$1" && ls
}
# Jump up `n` directories
up() {
local ups=""
for i in $(seq 1 $1)
do
ups=$ups"../"
done
cd $ups
}
# Get the weather
wttr() {
# If no $1, use the zip code from our IP
curl -s -H "Accept-Language: ${LANG%_*}" http://wttr.in/${1:-$(curl -s http://ipinfo.io/postal)}?q0n
}
# `tre` is a shorthand for `tree` with hidden files and color enabled, ignoring
# the `.git` directory, listing directories first. The output gets piped into
# `less` with options to preserve color and line numbers, unless the output is
# small enough for one screen.
# Source: https://github.com/mathiasbynens/dotfiles
tre() {
tree -aC -I '.git|node_modules|bower_components' --dirsfirst "$@" | less -FRNX;
}
# Determine size of a file or total size of a directory
# Source: https://github.com/mathiasbynens/dotfiles
fs() {
if du -b /dev/null > /dev/null 2>&1; then
local arg=-sbh;
else
local arg=-sh;
fi
if [[ -n "$@" ]]; then
du $arg -- "$@";
else
du $arg .[^.]* ./*;
fi;
}
# Compare original and gzipped file size
# Source: https://github.com/necolas/dotfiles
gz() {
local origsize=$(wc -c < "$1")
local gzipsize=$(gzip -c "$1" | wc -c)
local ratio=$(echo "$gzipsize * 100 / $origsize" | bc -l)
printf "orig: %d bytes\n" "$origsize"
printf "gzip: %d bytes (%2.2f%%)\n" "$gzipsize" "$ratio"
}
# General "extract" function
# Source: https://github.com/xvoland/Extract
extract() {
if [ -z "$1" ]; then
# display usage if no parameters given
echo "Usage: extract <path/file_name>.<zip|rar|bz2|gz|tar|tbz2|tgz|Z|7z|xz|ex|tar.bz2|tar.gz|tar.xz>"
echo " extract <path/file_name_1.ext> [path/file_name_2.ext] [path/file_name_3.ext]"
return 1
else
for n in $@
do
if [ -f "$n" ] ; then
case "${n%,}" in
*.tar.bz2|*.tar.gz|*.tar.xz|*.tbz2|*.tgz|*.txz|*.tar)
tar xvf "$n" ;;
*.lzma) unlzma ./"$n" ;;
*.bz2) bunzip2 ./"$n" ;;
*.rar) unrar x -ad ./"$n" ;;
*.gz) gunzip ./"$n" ;;
*.zip) unzip ./"$n" ;;
*.z) uncompress ./"$n" ;;
*.7z|*.arj|*.cab|*.chm|*.deb|*.dmg|*.iso|*.lzh|*.msi|*.rpm|*.udf|*.wim|*.xar)
7z x ./"$n" ;;
*.xz) unxz ./"$n" ;;
*.exe) cabextract ./"$n" ;;
*)
echo "extract: '$n' - unknown archive method"
return 1
;;
esac
else
echo "'$n' - file does not exist"
return 1
fi
done
fi
}
# Create a .tar.gz archive, using `zopfli`, `pigz` or `gzip` for compression
# Source: https://github.com/mathiasbynens/dotfiles
targz() {
local tmpFile="${@%/}.tar";
tar -cvf "${tmpFile}" --exclude=".DS_Store" "${@}" || return 1;
size=$(
stat -f"%z" "${tmpFile}" 2> /dev/null; # macOS `stat`
stat -c"%s" "${tmpFile}" 2> /dev/null; # GNU `stat`
);
local cmd="";
if (( size < 52428800 )) && hash zopfli 2> /dev/null; then
# the .tar file is smaller than 50 MB and Zopfli is available; use it
cmd="zopfli";
else
if hash pigz 2> /dev/null; then
cmd="pigz";
else
cmd="gzip";
fi;
fi;
echo "Compressing .tar ($((size / 1000)) kB) using \`${cmd}\`…";
"${cmd}" -v "${tmpFile}" || return 1;
[ -f "${tmpFile}" ] && rm "${tmpFile}";
zippedSize=$(
stat -f"%z" "${tmpFile}.gz" 2> /dev/null; # macOS `stat`
stat -c"%s" "${tmpFile}.gz" 2> /dev/null; # GNU `stat`
);
echo "${tmpFile}.gz ($((zippedSize / 1000)) kB) created successfully.";
}
# Upload a file to the hastebin service
# Source: https://github.com/diethnis/standalones
haste() {
local output returnfile contents
if (( $# == 0 )) && [[ $(printf "%s" "$0" | wc -c) > 0 ]]
then
contents=$0
elif (( $# != 1 )) || [[ $1 =~ ^(-h|--help)$ ]]
then
echo "Usage: $0 FILE"
echo "Upload contents of plaintext document to hastebin."
echo "\nInvocation with no arguments takes input from stdin or pipe."
echo "Terminate stdin by EOF (Ctrl-D)."
return 1
elif [[ -e $1 && ! -f $1 ]]
then
echo "Error: Not a regular file."
return 1
elif [[ ! -e $1 ]]
then
echo "Error: No such file."
return 1
elif (( $(stat -c %s $1) > (512*1024**1) ))
then
echo "Error: File must be smaller than 512 KiB."
return 1
fi
if [[ -n "$contents" ]] || [[ $(printf "%s" "$contents" | wc -c) < 1 ]]
then
contents=$(cat $1)
fi
output=$(curl -# -f -XPOST "https://hastebin.com/documents" -d"$contents")
if (( $? == 0 )) && [[ $output =~ \"key\" ]]
then
returnfile=$(sed 's/^.*"key":"/https:\/\/hastebin.com\//;s/".*$//' <<< "$output")
if [[ -n $returnfile ]]
then
echo "$returnfile"
return 0
fi
fi
echo "Upload failed."
return 1
}