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.bash_aliases
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.bash_aliases
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#!/bin/bash -eu
# -----------------------------------------------------------------------------------------------
# SYSTEM-INDEPENDENT BASH ALIASES
# -----------------------------------------------------------------------------------------------
# ~/config/.bash_aliases
#
# Purpose: Define aliases and function for interactive UNIX-like shells.
#
# Usage: Intended to be universally compatible with WSL, Debian derivatives (Ubuntu), Red
# Hat-based distros (Centos, Rock Linux), MinGW (MSYS, GitBash), Cygwin, PGI Bash, etc.
#
# Aug 2023 JCL
#
# -----------------------------------------------------------------------------------------------
# check if VB is unset or null
if [ -z ${VB:+dummy} ]; then
export VB=false
else
# check if VB is true
if [ "${VB}" = true ]; then
# load bash utilities
fpretty=${HOME}/config/.bashrc_pretty
if [ -e $fpretty ]; then
source $fpretty
print_ribbon
if [[ "$-" == *i* ]]; then
print_source
fi
fi
fi
fi
# Aliases
alias close='source ${HOME}/.bash_logout;killall -9 -v -u $USER$USERNAME; exit'
alias hello='echo "${TAB-''}hello, world"'
alias ping='ping -c 4 -W 1'
alias pkill='pkill -9 -u ${USER}'
alias pwd='pwd -L;pwd -P'
alias up='source update_repos'
alias vpn='source ${HOME}/config/.bash_aliases_vpn'
alias x='exit'
# diff
alias d='diffy -s'
alias diffy='diff --color=auto --suppress-common-lines -yiEZbwB --exclude=.git'
# find
alias fb='ff | perl -lne "print if not -T"' # find binary
alias fd='find -L ./ -not -path "*/.git/*" -type d' # find directory
alias ff='find -L ./ -not -path "*/.git*/*" -type f' # find file
alias ffi='ff -iname'
alias fl='find -L ./ \( -type l -o -xtype l \) -exec ls --color -l {} \;' # find link
# git
alias gitb='git branch -vva --color=always'
alias gitcp='git cherry-pick'
alias gitd='git diff --color-moved=blocks --ignore-space-change'
alias gitf='git fetch --all --verbose'
alias gitdn='git diff --name-status'
alias gitr='git remote -v'
alias gits='git status'
alias gitsi='git status --ignored; echo; git branch -vva --color=always;echo; git remote -v; git stash list --date=local'
alias gitsl='git stash list --date=local'
alias gitsd='git diff $(git stash list | head -1 | sed "s/.*: \([a-z0-9]\{7\}\).*/\1/") stash'
# grep
alias grep='grep --color=auto'
alias gR='grep -IrRn -D skip --exclude-dir=".git" --exclude="*~"'
alias gr='gR -i'
alias g='gr'
# history
alias hg='history | grep'
alias hgt='history | grep "^[0-9 ]\{0,6\} [0-9\-]\{10\} " | grep'
alias hl="\cat ~/.bash_history | sed '/^#[0-9]\{10\}/d' | awk '{print length, \$0}' | sort -n | uniq -c | sort -n -r | sed 's/^\([ \t]*[0-9]*\) [0-9]* \(.*$\)/\1 \2/' | head -n 20"
# list
alias lS='ls -ltS'
alias la='ls -la'
alias lh='ls -ld .?*' # list hidden only
alias ls='ls -l --color'
alias lt='ls -ltr' # sort by time
alias lsd='ls -d */'
# Functions
alias du0='duf --max-depth=0'
alias du1='duf --max-depth=1'
alias du2='duf --max-depth=2'
function duf {
du -k "$@" | sort -n |
while read size fname; do
for unit in k M G T P E Z Y
do
if [ $size -lt 1024 ]; then
echo -e "${size}${unit}B${fname}";
break;
fi;
size=$((size/1024));
done
done
}
function gitl {
# alias gitl='git log --follow'
if [ $# -ne 1 ]; then
git log
else
(git log --follow $@ >/dev/null) && git log --follow $@ || git log $@
fi
}
# print number of files in the current directory, or specify a directory with an optional argument
function nf {
if [ $# -eq 0 ]; then
dir_list=$PWD
else
dir_list="$@"
fi
for dir in $dir_list
do
dir=${dir%/}
n1=$(find "${dir}" -maxdepth 1 -type f | wc -l)
# calculate length of longest number
n2=$(find "${dir}" -type f | wc -l)
nn=$(echo "(l($n2)/l(10))+1" | bc -l | sed 's/\..*$//')
# account for commas
nc=$((($nn-1)/3))
np=$(($nn + $nc))
# print results
printf "%'${np}d files found in ${dir}\n" $n1
if [ $n1 -ne $n2 ]; then
printf "%'${np}d files found in ${dir}/*\n" $n2
fi
done
}
if [ "${VB}" = true ]; then
# reset tab
dtab
fi
function end() {
check_arg2 $@
echo "inputs are $1 and $2"
unset file1
unset file2
export file1=$(readlink -f $1)
export file2=$(readlink -f $2)
echo "inputs are $file1 and $file2"
#return 0
eval "emacs -nw --eval '(ediff-files \"${file1}\" \"${file2}\")'"
}
# show top processes
function utop() {
local -i NP
# number of processes to show
if [ $# -eq 1 ]; then
# use argument
NP=$1
else
# set manually
NP=3
fi
set -u
# set line width to one less than the terminal width
local -i line_width=$(( $(tput cols) - 1 ))
# user ID
local -r U_ID_old=1111499164
local -r U_ID=$UID
# user name
unset U_NAME
unset U_NAME_trunc
local -r U_NAME=${USER}
decho "${U_NAME}"
local U_NAME_trunc
U_NAME_trunc=${U_NAME:0:7}
decho "${U_NAME_trunc}"
U_NAME_trunc+="+"
decho "${U_NAME_trunc}"
#echo "${U_NAME_trunc}" | sed "s/${U_NAME_trunc}/${U_NAME}/"
echo -e "\033[4mTop $NP processes by ${USER}:\x1b[0m"
( ps ux --sort=-pcpu \
| head -n $((NP+1)) \
| sed "s/${U_ID_old}/${U_NAME}/" \
| sed "s/${U_ID}/${U_NAME}/" \
| awk '{printf "%-10s %5s %5s %5s %4s %5s %6s %s\n",$1,$2,$3,$4,$8,$9,$10,$11}' \
| cut -c -$line_width \
| sed "s/${U_NAME_trunc}/${U_NAME}/"
) | column -t
echo
set +u
}
function atop() {
local -i NP
# number of processes to show
if [ $# -eq 1 ]; then
# use argument
NP=$1
else
# set manually
NP=3
fi
set -u
# set line width to one less than the terminal width
local -i line_width=$(( $(tput cols) - 1 ))
# user ID
local -r U_ID_old=1111499164
local -r U_ID=$UID
# user name
unset U_NAME
unset U_NAME_trunc
local -r U_NAME=${USER}
decho "${U_NAME}"
local U_NAME_trunc
U_NAME_trunc=${U_NAME:0:7}
decho "${U_NAME_trunc}"
U_NAME_trunc+="+"
decho "${U_NAME_trunc}"
#echo "${U_NAME_trunc}" | sed "s/${U_NAME_trunc}/${U_NAME}/"
echo -e "\033[4mTop $NP processes on ${HOST_NAME}:\x1b[0m"
(
ps aux --sort=-pcpu \
| head -n $((NP+1)) \
| sed "s/${U_ID}/\x1b\[32m${U_NAME}\x1b\[0m/" \
| sed "s/${U_ID_old}/\x1b\[33m${U_NAME}\x1b\[0m/" \
| awk '{printf "%-10s %5s %5s %5s %4s %5s %6s %s\n",$1,$2,$3,$4,$8,$9,$10,$11}' \
| cut -c -$line_width \
| sed "s/${U_NAME_trunc}/${U_NAME}/"
) | column -t | sed "s/${U_NAME}/${GREEN}${U_NAME}${RESET}/"
echo
echo -e "\033[4mTop $NP processes by ${USER}:\x1b[0m"
( ps ux --sort=-pcpu \
| head -n $((NP+1)) \
| sed "s/${U_ID_old}/${U_NAME}/" \
| sed "s/${U_ID}/${U_NAME}/" \
| awk '{printf "%-10s %5s %5s %5s %4s %5s %6s %s\n",$1,$2,$3,$4,$8,$9,$10,$11}' \
| cut -c -$line_width \
| sed "s/${U_NAME_trunc}/${U_NAME}/"
) | column -t
echo
echo -e "\033[4mLast $NP log-ins by ${USER} on ${HOST_NAME}:\x1b[0m"
# print full user and domain neames, full login and logout times and dates, and hostname
last -wFa | \grep ${U_NAME:0:8} | head -n $NP
echo
set +u
}