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