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