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