1#----------------------------------------------------------------------------
2#
3# TITLE
4#
5# .bashrc
6#
7# DESCRIPTION
8#
9#
10# Bourne Again Shell (bash) startup file for Unix systems. Executed
11# everytime we start a subshell. Install into your home directory ~.
12# Put aliases and functions here.
13#
14# Use source .bashrc to reset the environment after you are in a
15# terminal window. Place the line "source .bashrc" into .bash_profile
16# to execute this file's commands upon login.
17#
18# To debug, use sh -x .bashrc
19#
20# DATE
21#
22# 20 Jul 25
23#
24# AUTHOR
25#
26# Sean E. O'Connor
27#
28#----------------------------------------------------------------------------
29
30#------------- Aliases ------------------------------------------------------
31#
32# Be sure to put useful scripts and executables into the home bin directory, ~/bin or global /usr/local/bin
33#
34
35alias desk='cd ${desk_dir}'
36alias sean='cd ${desk_dir}/Sean'
37
38alias app='cd ${app_dir}'
39
40alias art='cd ${arts_dir}/Visual/Painting/OriginalWorks'
41alias bus='cd ${business_dir}'
42alias acc='cd ${business_dir}/Accounts'
43alias fam='cd ${family_dir}'
44alias lit='cd ${arts_dir}/Literature'
45alias sci='cd ${science_dir}'
46alias math='cd ${science_dir}/Mathematics'
47alias comp='cd ${science_dir}/ComputerScience'
48alias fuk='cd ${science_dir}/ComputerScience/ObsoleteSoftware/Fruit/MTWikiNew'
49
50#------------- Git ------------------------------------------------
51
52# Location of git repository.
53export GITREPOS="${web_dir}/private/repos"
54
55# These are all my git repositories.
56alias weba='cd ${web_dir}/Art'
57alias webcrc='cd ${web_dir}/CommunicationTheory/ChannelCoding/CyclicRedundancyCheckCodes'
58alias webc='cd ${web_dir}/ComputerScience/DevelopmentEnvironment'
59alias webfft='cd ${web_dir}/Mathematics/SignalProcessing/FastFourierTransform'
60alias webf='cd ${web_dir}/Finance'
61alias webl='cd ${web_dir}/ComputerScience/Automata/Life'
62alias webp='cd ${web_dir}/ComputerScience/Compiler/ParserGeneratorAndParser'
63alias webpp='cd ${web_dir}/Mathematics/AbstractAlgebra/PrimitivePolynomials'
64alias webps='cd ${web_dir}/CommunicationTheory/PseudoNoiseSequences'
65alias webu='cd ${web_dir}/private'
66alias webd='cd ${web_dir}/WebPageDesign'
67alias web='cd ${web_dir}'
68alias webj='cd ${web_dir}/mathjax'
69
70# Subdir of WebPageDesign git repo.
71alias webm='cd ${web_dir}/WebPageDesign/MaintainWebPage'
72
73# View the status of a git repository.
74function gitshow()
75{
76 if [ $# == 0 ]
77 then
78 echo "Usage: gitshow <git directory>"
79 fi
80
81 # Grab the function argument, bash style.
82 gitdir=$1
83
84 # Parent directory on my machine.
85 parentDir=${HOME}/Desktop/Sean
86
87 printf "\n\n"
88 printf "${blueonyellow} git repository ${gitdir} ${resetcolor}\n"
89 printf "\n\n"
90
91 # Go into the git local snapshot.
92 pushds ${parentDir}/${gitdir}
93
94 # Pull the remote branch to get local snapshot up to date.
95 printf "${redongreen}pulling:${resetcolor}\n\t"
96 git pull
97
98 # Clean and recurse into directories. Don't babble the status.
99 git clean -f -d --quiet
100
101 # Collect garbage. Don't babble the status.
102 git gc --quiet
103
104 # Show the branches, status, stash lists, most recent commit.
105 printf "${redongreen}branches:${resetcolor}\n\t"
106 git branch
107
108 printf "${redongreen}status:${resetcolor}\n\t"
109 git status
110
111 printf "${redongreen}stashes:${resetcolor}\n\t"
112 git stash list
113 printf "\n"
114
115 printf "${redongreen}last commit${resetcolor}:\n\t"
116 git log -1 --name-only
117 printf "${redongreen}---${resetcolor}\n\n"
118 popds
119}
120
121# View all my Git repositories.
122function gita()
123{
124 # How did I find them all on my system?
125 # find . -name '*.git'
126
127 # Ascii terminal colors. Example: printf "\u1b[31;42mRedOnGreen\u1b[0mNormal"
128 redongreen="\u1b[31;42m"
129 redonblue="\u1b[31;44m"
130 blueonyellow="\u1b[34;43m"
131 whiteonblue="\u1b[37;44m"
132 resetcolor="\u1b[0m"
133
134 clear
135
136 # Show each repository and its status.
137 gitshow WebSite; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
138 gitshow WebSite/Art ; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
139 gitshow WebSite/CommunicationTheory/ChannelCoding/CyclicRedundancyCheckCodes; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
140 gitshow WebSite/CommunicationTheory/PseudoNoiseSequences; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
141 gitshow WebSite/ComputerScience/DevelopmentEnvironment; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
142 gitshow WebSite/Mathematics/SignalProcessing/FastFourierTransform; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
143 gitshow WebSite/Finance; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
144 gitshow WebSite/ComputerScience/Automata/Life; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
145 gitshow WebSite/ComputerScience/Compiler/ParserGeneratorAndParser; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
146 gitshow WebSite/Mathematics/AbstractAlgebra/PrimitivePolynomials; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
147 gitshow WebSite/private; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
148 gitshow WebSite/WebPageDesign; continueOrQuit ; if [ $? == 1 ] ; then return ; else clear ; fi
149}
150
151
152#------------- Blender ------------------------------------------------
153
154# Developer version compiled from source.
155alias blender='/Users/seanoconnor/blender-git/build_darwin/bin/Blender.app/Contents/MacOS/Blender'
156
157#------------- Set prompt ---------------------------------------------
158#
159# Define colors for the text in a prompt.
160#
161startcolor="\[\e["
162black="30"
163red="31"
164green="32"
165yellow="33"
166blue="34"
167magenta="35"
168teal="36"
169white="37"
170separator=";"
171blackbackground="40"
172redbackground="41"
173greenbackground="42"
174yellowbackground="43"
175bluebackground="44"
176magentabackground="45"
177tealbackground="46"
178whitebackground="47"
179reset="0"
180boldtext="1"
181underline="4"
182blink="5"
183inverted="7"
184endcolor="m\]"
185resetcolor="\e[0m"
186whiteonblue="${startcolor}${white}${separator}${bluebackground}${endcolor}"
187redonblue="${startcolor}${red}${separator}${bluebackground}${endcolor}"
188
189# Set the prompt to
190# time \@, date \d, user name \u, host name \h, current directory \w
191# \W basename of current directory, \$ if UID = 0 (root), use # instead of $
192export PS1="${redonblue}\u:${whiteonblue}\w${resetcolor}\$ "
193###echo ${PS1}
194
195
196#------------- Shell options ------------------------------------------------
197#
198# Set vi edit mode for the command line.
199# Hit <ESC> to go into vi's edit command mode:
200# h Move cursor left
201# l Move cursor right
202# A Move cursor to end of line and put in insert mode
203# 0 (zero) Move cursor to beginning of line (doesn't put in insert mode)
204# i Put into insert mode at current position
205# a Put into insert mode after current position
206# dd Delete line (saved for pasting)
207# D Delete text after current cursor position (saved for pasting)
208# p Paste text that was deleted
209# j Move up through history commands
210# k Move down through history commands
211# u Undo
212set -o vi
213
214# Don't wait for job termination notification
215set -o notify
216
217# Don't use ^D to exit
218set -o ignoreeof
219
220# Use case-insensitive filename globbing
221shopt -s nocaseglob
222
223# Make bash append rather than overwrite the history on disk
224shopt -s histappend
225
226# When changing directory small typos can be ignored by bash
227# for example, cd /vr/lgo/apaache would find /var/log/apache
228shopt -s cdspell
229
230shopt -s cdable_vars
231
232#------------- Completion options ------------------------------------------------
233#
234# These completion tuning parameters change the
235# default behavior of bash_completion:
236
237# Define to avoid stripping description in --option=description of './configure --help'
238COMP_CONFIGURE_HINTS=1
239
240# Define to avoid flattening internal contents of tar files
241COMP_TAR_INTERNAL_PATHS=1
242
243# If this shell is interactive, turn on programmable completion enhancements.
244# Any completions you add in ~/.bash_completion are sourced last.
245case $- in
246 *i*) [[ -f /etc/bash_completion ]] && . /etc/bash_completion ;;
247esac
248
249
250#------------- History options ------------------------------------------------
251#
252# Don't put duplicate lines in the history.
253export HISTCONTROL="ignoredups"
254
255# Ignore some controlling instructions
256export HISTIGNORE="ls:ls *:[ ]*:&:cd:cd ..:exit:hi:s:f:m:um"
257
258# Whenever displaying the prompt, write the previous line to disk
259export PROMPT_COMMAND="history -a"
260
261
262#------------- Aliases ------------------------------------------------
263#
264# If these are enabled they will be used instead of any instructions
265# they may mask. For example, alias rm='rm -i' will mask the rm
266# application.
267#
268# To override the alias instruction use a \ before, ie
269# \rm will call the real rm not the alias.
270#
271# To see all aliases, type alias.
272# Use unalias to remove a definition.
273
274# Interactive operation...
275alias rm='rm -i'
276alias cp='cp -i'
277alias mv='mv -i'
278alias up='cd ..'
279
280# Default to human readable figures
281alias df='df -h'
282alias du='du -hac'
283
284# Misc :)
285alias less='less -r' # raw control characters
286alias whence='type -a' # where, of a sort
287alias grep='grep --color' # show differences in colour
288alias hi=history
289
290# Some shortcuts for different directory listings
291alias ls='ls -hF ${ls_color_option}'
292alias dir='ls --color=auto --format=vertical'
293alias ll='ls -l' # long list
294alias la='ls -A' # all but . and ..
295alias l='ls -CF' #
296
297
298#------------- Utility functions ------------------------------------------------
299
300# Push and pop directory without error messages.
301function pushds
302{
303 command pushd "$1" > /dev/null
304}
305
306function popds
307{
308 command popd "$1" > /dev/null
309}
310
311# Recursive search for a string in a file.
312function grepall()
313{
314 if [ $# == 0 ]
315 then
316 echo "Usage: grepall <string>"
317 fi
318
319 # Grab the function argument, bash style.
320 pat=$1
321
322 echo "Searching all subdirectories for pattern ${pat}"
323
324 find . -name '*.[ch]' -exec grep -iH "${pat}" {} ';'
325 find . -name '*.hpp' -exec grep -iH "${pat}" {} ';'
326 find . -name '*.cpp' -exec grep -iH "${pat}" {} ';'
327 find . -name '*.py' -exec grep -iH "${pat}" {} ';'
328 find . -name '*.lsp' -exec grep -iH "${pat}" {} ';'
329 find . -name '*.m' -exec grep -iH "${pat}" {} ';'
330 find . -name '*.js' -exec grep -iH "${pat}" {} ';'
331 find . -name '*.java' -exec grep -iH "${pat}" {} ';'
332 find . -name '*.pl' -exec grep -iH "${pat}" {} ';'
333 find . -name '*.prl' -exec grep -iH "${pat}" {} ';'
334 find . -name '*.html' -exec grep -iH "${pat}" {} ';'
335 find . -name '*.css' -exec grep -iH "${pat}" {} ';'
336 find . -name 'makefile' -exec grep -iH "${pat}" {} ';'
337 find . -name '*.dat' -exec grep -iH "${pat}" {} ';'
338 find . -name '*.txt' -exec grep -iH "${pat}" {} ';'
339}
340
341function touchall()
342{
343 find . -exec touch {} ';'
344}
345
346function testOptions()
347{
348 if [ $# == 0 ]
349 then
350 echo "Number of arguments to testOptions is $#"
351 fi
352
353 # No spaces around the equals allowed in bash!
354 a1=$1
355
356 echo "You said |${a1}|"
357
358 # Compare the first 3 letters.
359 if [ "${a1:0:3}" == "tes" ]
360 then
361 echo "You said testOptions tes"
362 else
363 echo "What did you say?"
364 fi
365}
366
367# Launch gvim editor.
368function gvim()
369{
370 # No file name given?
371 if [ $# == 0 ]
372 then
373 # Remove the old file.
374 fileName="${HOME}/temp.txt"
375 if [ -f "${fileName}" ] ; then
376 echo "Removing file ${fileName}"
377 rm -rf ${fileName}
378 fi
379
380 # Remove any swap file.
381 fileNameSwap="${HOME}.vim/.swp/temp.txt.swp"
382 if [ -f "${fileNameSwap}" ] ; then
383 echo "Removing swap file ${fileNameSwap}"
384 rm -rf ${fileNameSwap}
385 fi
386
387 # Create a new file.
388 echo -n > ${fileName}
389 echo "Opening temporary file ${fileName}"
390 else
391 fileName=$1
392 fi
393
394 # Find out which operating system we are running on: macOS, Linux, Windows/Cygwin, etc.
395 uname=`uname -s`
396
397 # macOS. Tested on my MacBook Pro laptop mid-2015 model with Intel x86_64 architecture.
398 if [ "${uname}" == "Darwin" ] ; then
399 platform="macos"
400 # Linux. Tested on my Ubuntu Linux system running on my Cyperpower PC with a 64-bit AMD CPU.
401 elif [ "${uname}" == "Linux" ] ; then
402 platform="linux"
403 # Cygwin. For cygwin 2.2 64-bit on Windows 10 64-bit. Not tested. From https://en.wikipedia.org/wiki/Uname
404 elif [ "${uname}" == "CYGWIN_NT-10.0" ] ; then
405 platform="cygwin"
406 fi
407 #echo "Using platform = ${platform}"
408
409 # Launch GUI Vim on my macOS machine.
410 if [ "${platform}" == "macos" ] ; then
411 open -a MacVim "${fileName}"
412 # Launch GUI Vim on my Ubuntu Linux machines.
413 elif [ "${platform}" == "linux" ] ; then
414 /usr/bin/vim "${fileName}"
415 # Cygwin
416 elif [ "${platform}" == "cygwin" ] ; then
417 /usr/bin/vim "${fileName}"
418 else
419 echo "Could not get a platform. Guessing Linux."
420 /usr/bin/vim "${fileName}"
421 fi
422}
423
424# Remove temporary files.
425function cleanall()
426{
427 if [ $# != 0 ]
428 then
429 echo "Usage: cleanall"
430 fi
431
432 find . -name '*~' -print -exec rm -f {} \;
433 find . -name '._*' -print -exec rm -f {} \;
434 find . -name '.DS_Store*' -print -exec rm -f {} \;
435 find . -name 'Thumbs.db' -print -exec rm -f {} \;
436 find . -name '*.swp' -print -exec rm -f {} \;
437 find . -name '*.o' -print -exec rm -f {} \;
438 find . -name '*.class' -print -exec rm -f {} \;
439 find . -name '*.o~$' -print -exec rm -f {} \;
440 find . -name '*.o~>' -print -exec rm -f {} \;
441 find . -name '*.dSYM' -print -exec rm -rf {} \;
442 find . -name '*.obj' -print -exec rm -rf {} \;
443 find . -name '*.ncb' -print -exec rm -rf {} \;
444 find . -name '*.suo' -print -exec rm -rf {} \;
445 find . -name '*.idb' -print -exec rm -rf {} \;
446 find . -name '*.pdb' -print -exec rm -rf {} \;
447 find . -name '*.manifest' -print -exec rm -rf {} \;
448 find . -name '*.Spotlight-V100' -print -exec rm -rf {} \;
449 find . -name '*.Trash*' -print -exec rm -rf {} \;
450 find . -name '*.fseventsd' -print -exec rm -rf {} \;
451}
452
453# Return status 0 if we hit the SPACE BAR or 1 if we hit q for QUIT.
454function continueOrQuit()
455{
456 # See https://www.computerhope.com/unix/bash/read.htm
457 # -n1 Read only one character.
458 # -s Don't echo keystrokes.
459 # -r Raw input. read backslashes and don't interpret them as escape characters.
460 # -p Print the string prompt first before reading the line.
461 read -n1 -s -r -p $'Press space to continue or q to quit...\n' key
462 if [ "$key" = ' ' ]; then
463 return 0
464 elif [ "$key" = 'q' ]; then
465 return 1
466 fi
467 printf "\n\n"
468}
