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POSIX compliance, shellcheck
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parent
d843e90462
commit
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5 changed files with 114 additions and 96 deletions
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@ -1,18 +1,23 @@
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#!/usr/bin/env zsh
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#!/bin/sh
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# TODO: Currently, this file isn't entirely POSIX compatible,
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# it will run fine with bash or zsh, however some functions may cause
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# issues with pure POSIX. The fill will however run fine, the errors
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# would only occur if the incompatible functions would be started.
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# Show application listening on given port
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function port() {
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sudo netstat -pln | grep $1 | awk '{print $NF}'
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port() {
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sudo netstat -pln | grep "$1" | awk '{print $NF}'
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}
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# Create a new directory and enter it
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function mkd() {
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mkdir -p "$@" && cd "$_";
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mkd() {
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# shellcheck disable=SC2164
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mkdir -p "$1" && cd "$1";
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}
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# `o` with no arguments opens the current directory, otherwise opens the given
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# location
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function o() {
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o() {
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if [ $# -eq 0 ]; then
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open .;
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else
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@ -21,16 +26,16 @@ function o() {
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}
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# Use bat for nicer git diffs
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function batdiff() {
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batdiff() {
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git diff --name-only --diff-filter=d | xargs bat --diff
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}
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# Determine size of a file or total size of a directory
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function dirsize() {
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dirsize() {
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if du -b /dev/null > /dev/null 2>&1; then
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local arg=-sbh;
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arg=-sbh;
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else
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local arg=-sh;
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arg=-sh;
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fi
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if [[ -n "$*" ]]; then
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\du $arg -- "$@";
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@ -39,10 +44,10 @@ function dirsize() {
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fi;
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}
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function randmac() {
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sudo ip link set dev $1 down
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sudo macchanger -A $1
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sudo ip link set dev $1 up
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randmac() {
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sudo ip link set dev "$1" down
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sudo macchanger -A "$1"
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sudo ip link set dev "$1" up
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}
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# Go to the root of a git tree
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@ -59,76 +64,76 @@ cdgit () {
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}
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# Create a data URL from a file
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function dataurl() {
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local mimeType=$(file -b --mime-type "$1");
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if [[ $mimeType == text/* ]]; then
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mimeType="${mimeType};charset=utf-8";
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fi
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echo "data:${mimeType};base64,$(openssl base64 -in "$1" | tr -d '\n')";
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dataurl() {
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mimeType="$(file -b --mime-type "$1")"
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if echo "$mimeType" | grep -e "^text/.*$" >/dev/null; then
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mimeType="${mimeType};charset=utf-8"
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fi
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echo "data:${mimeType};base64,$(openssl base64 -in "$1" | tr -d '\n')";
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}
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# `tre` is a shorthand for `tree` with hidden files and color enabled, ignoring
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# the `.git` directory, listing directories first. The output gets piped into
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# `less` with options to preserve color and line numbers, unless the output is
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# small enough for one screen.
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function tre() {
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tree -I '.git|node_modules|bower_components' --group-directories-first "$@" | less -FRNX;
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tre() {
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tree -I '.git|node_modules|bower_components' --group-directories-first "$@" | less -FRNX;
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}
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# Show all the names (CNs and SANs) listed in the SSL certificate
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# for a given domain
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function getcertnames() {
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if [ -z "${1}" ]; then
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echo "ERROR: No domain specified.";
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return 1;
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fi;
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getcertnames() {
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if [ -z "${1}" ]; then
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echo "ERROR: No domain specified.";
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return 1;
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fi;
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local domain="${1}";
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echo "Testing ${domain}…";
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echo ""; # newline
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domain="${1}";
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echo "Testing ${domain}…";
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echo ""; # newline
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local tmp=$(echo -e "GET / HTTP/1.0\nEOT" \
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| openssl s_client -connect "${domain}:443" -servername "${domain}" 2>&1);
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tmp=$(echo -e "GET / HTTP/1.0\nEOT" \
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| openssl s_client -connect "${domain}:443" -servername "${domain}" 2>&1);
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if [[ "${tmp}" = *"-----BEGIN CERTIFICATE-----"* ]]; then
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local certText=$(echo "${tmp}" \
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| openssl x509 -text -certopt "no_aux, no_header, no_issuer, no_pubkey, \
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no_serial, no_sigdump, no_signame, no_validity, no_version");
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echo "Common Name:";
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echo ""; # newline
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echo "${certText}" | grep "Subject:" | sed -e "s/^.*CN=//" | sed -e "s/\/emailAddress=.*//";
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echo ""; # newline
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echo "Subject Alternative Name(s):";
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echo ""; # newline
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echo "${certText}" | grep -A 1 "Subject Alternative Name:" \
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| sed -e "2s/DNS://g" -e "s/ //g" | tr "," "\n" | tail -n +2;
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return 0;
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else
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echo "ERROR: Certificate not found.";
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return 1;
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fi;
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if [[ "${tmp}" = *"-----BEGIN CERTIFICATE-----"* ]]; then
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certText=$(echo "${tmp}" \
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| openssl x509 -text -certopt "no_aux, no_header, no_issuer, no_pubkey, \
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no_serial, no_sigdump, no_signame, no_validity, no_version");
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echo "Common Name:";
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echo ""; # newline
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echo "${certText}" | grep "Subject:" | sed -e "s/^.*CN=//" | sed -e "s/\/emailAddress=.*//";
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echo ""; # newline
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echo "Subject Alternative Name(s):";
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echo ""; # newline
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echo "${certText}" | grep -A 1 "Subject Alternative Name:" \
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| sed -e "2s/DNS://g" -e "s/ //g" | tr "," "\n" | tail -n +2;
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return 0;
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else
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echo "ERROR: Certificate not found.";
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return 1;
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fi;
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}
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# Compare original and gzipped file size
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function gz-compare() {
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local origsize=$(wc -c < "$1");
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local gzipsize=$(gzip -c "$1" | wc -c);
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local ratio=$(echo "$gzipsize * 100 / $origsize" | bc -l);
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printf "orig: %d bytes\n" "$origsize";
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printf "gzip: %d bytes (%2.2f%%)\n" "$gzipsize" "$ratio";
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gz_compare() {
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origsize=$(wc -c < "$1");
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gzipsize=$(gzip -c "$1" | wc -c);
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ratio=$(echo "$gzipsize * 100 / $origsize" | bc -l);
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printf "orig: %d bytes\n" "$origsize";
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printf "gzip: %d bytes (%2.2f%%)\n" "$gzipsize" "$ratio";
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}
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# Extract almost any archive
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function extract {
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extract() {
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if [ -z "$1" ]; then
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# display usage if no parameters given
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echo "Usage: extract <path/file_name>.<zip|rar|bz2|gz|tar|tbz2|tgz|Z|7z|xz|ex|tar.bz2|tar.gz|tar.xz>"
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echo " extract <path/file_name_1.ext> [path/file_name_2.ext] [path/file_name_3.ext]"
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return 1
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else
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for n in $@
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for n in "$@"
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do
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if [ -f "$n" ] ; then
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case "${n%,}" in
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@ -158,17 +163,18 @@ fi
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}
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# Create a .tar.gz archive, using `zopfli`, `pigz` or `gzip` for compression
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function targz() {
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targz() {
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# Combine given names spearated with spaces as the filename
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local tmpFile="${@%/}.tar";
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tar -cvf "${tmpFile}" "${@}" || return 1;
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tmpFile="${*%/}.tar"
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tar -cvf "${tmpFile}" "${@}" || return 1
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size=$(
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stat -f"%z" "${tmpFile}" 2> /dev/null; # macOS `stat`
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stat -c"%s" "${tmpFile}" 2> /dev/null; # GNU `stat`
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);
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local cmd="";
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cmd="";
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if (( size < 52428800 )) && hash zopfli 2> /dev/null; then
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# the .tar file is smaller than 50 MB and Zopfli is available; use it
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cmd="zopfli";
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@ -192,11 +198,12 @@ function targz() {
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echo "${tmpFile}.gz ($((zippedSize / 1000)) kB) created successfully.";
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}
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function anonymize {
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anonymize() {
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# Reset the prompt on initial run to allow this script
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# to be ran multiple times without user having to reload
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# PS1 manually
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source ${XDG_CONFIG_DIR:-$HOME/.config}/shell/prompt
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# shellcheck source=/home/itsdrike/.config/shell/prompt
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. "${XDG_CONFIG_DIR:-$HOME/.config}/shell/prompt"
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# Regular expression to match 0-255 numbers (color)
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color_int_re='^(0+)?([0-9]{1,2}|1[0-9]{2}|2[0-4][0-9]|25[0-5])$'
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@ -211,7 +218,7 @@ function anonymize {
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AT_COLOR="%F{004}"
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MACHINE_COLOR="%F{070}"
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while [[ $# -gt 0 ]]; do
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while [ $# -gt 0 ]; do
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key=$1
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case $key in
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