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