1
2
3
4
5
6
7
8
9 if [[ "$-" == *i* ]] ; then interactive_shell=1; fi
10
11 [ "$interactive_shell" ] && echo "Running .bash_include"
12 [ "$interactive_shell" ] && default_tty_setting="`stty -g`"
13
14
15
16 colorprompting='\[\e[1;31m\]\!\[\e[m\] [\[\e[1;33m\]\u\[\e[m\]@\[\e[1;32m\]\h\[\e[m\] \[\e[1;36m\]\w\[\e[m\]]\$ '
17 nocolorprompting='\! [\u@\h \w]\$ '
18
19 if [ "$SSH_CONNECTION" ]
20 then
21 colorprompting="\[\e[1;44m\]*\[\e[m\]$colorprompting"
22 nocolorprompting="*$nocolorprompting"
23 fi
24
25 historycountfile="$HOME/.bash_history.count"
26 historybackupfile="$HOME/.bash_history.bak"
27 bgrunfiledir="$HOME/tmp/bgrun-`whoami`"
28 trashdir="$HOME/trash"
29
30 HISTSIZE=1000000
31 HISTFILESIZE=1000000
32 HISTCONTROL=ignoredups:ignorespace
33 HISTTIMEFORMAT="%F %T "
34
35 REALPATH_PROGRAM="realpath"
36
37 CFLAGS="-Wall -pipe -g"
38
39
40
41
42 export EDITOR=vim
43 export FCEDIT=vim
44 export PAGER=less
45
46
47
48
49
50
51 alias startcolor='PS1=$colorprompting'
52 alias stopcolor='PS1=$nocolorprompting'
53
54 alias ll='ls -l'
55 alias grep='grep --color=always'
56 alias rm='rm -i'
57 alias cp='cp -pi'
58 alias mv='mv -i'
59 alias jobs='jobs -l'
60 alias less='less -RS'
61
62 alias cccc='LANG=C;LANGUAGE=C;LC_ALL=C'
63 alias enus='LANG=en_US.UTF-8;LANGUAGE=en_US:en;LC_ALL=en_US.UTF-8'
64 alias big5='LANG=zh_TW.Big5;LANGUAGE=zh_TW:zh;LC_ALL=zh_TW.Big5'
65 alias zhtw='LANG=zh_TW.UTF-8;LANGUAGE=zh_TW:zh;LC_ALL=zh_TW.UTF-8'
66
67 alias savetty='default_tty_setting=`stty -g`'
68 alias resetty='stty $default_tty_setting'
69
70 alias vimhtml='vim -c "set ts=2" -c "set sw=2"'
71
72
73
74
75 function compile_all ()
76 {
77 local noask=0
78 [ "$1" = '' ] && echo "Which file(s) do you want to compile? " && return 1
79 [ "$1" = "-n" ] && noask=1
80 if [ "$noask" = "0" ]; then
81 read -e -p "CFLAGS: " -i "$CFLAGS" NEWCFLAGS
82 read -e -p "LDFLAGS: " -i "$LDFLAGS" NEWLDFLAGS
83 [ "$NEWCFLAGS" '!=' '' ] && CFLAGS=$NEWCFLAGS
84 [ "$NEWLDFLAGS" '!=' '' ] && LDFLAGS=$NEWLDFLAGS
85 else
86 shift
87 fi
88 while [ "$1" '!=' '' ]
89 do
90 local TARGETFILE="`echo "$1" | cut -d . -f 1`"
91 local SUFFIX="`echo "$1" | cut -d . -f 2`"
92 if [ -f "$1" ]; then
93 true
94 else
95 printf\
96 "\e[1;33mWarning\e[0m: $1 Non-existent file or not a regular file\n"
97 shift ; continue
98 fi
99 [ "$TARGETFILE" = "$1" ] && shift && continue
100 if [ "$SUFFIX" = "c" ]; then
101 echo "[CC] $1 -> $TARGETFILE"
102 gcc $CFLAGS "$1" $LDFLAGS -o "$TARGETFILE"
103 elif [ "$SUFFIX" = "cpp" ]; then
104 echo "[CXX] $1 -> $TARGETFILE"
105 g++ $CFLAGS "$1" $LDFLAGS -o "$TARGETFILE"
106 else
107 printf "$1: Unknown suffix (\e[1;33mskipped\e[0m)\n"
108 fi
109 [ "$?" '!=' "0" ] && printf\
110 '\e[1;31mError\e[0m while compiling file\n'
111 shift
112 done
113 return 0
114 }
115
116
117 function convert_to_html ()
118 {
119 while [ "$1" '!=' '' ]
120 do
121 for i in "$1"
122 do
123 vim $i -c 'set background=dark' \
124 -c 'highlight PreProc ctermfg=darkcyan' \
125 -c "$BEFORE_CONVERT_TO_HTML" \
126 -c "$BEFORE_CONVERT_TO_HTML1" \
127 -c "$BEFORE_CONVERT_TO_HTML2" \
128 -c TOhtml \
129 -c :w \
130 -c :qa
131 done
132 shift
133 done
134 }
135
136 function mkscreenacl ()
137 {
138 PERMIT_COMMAND="select windowlist other meta detach reset hardcopy info redisplay lastmsg next prev xon xoff windows suspend help colon copy paste writebuf readbuf displays stuff attach"
139 while [ "$1" '!=' '' ]
140 do
141 for i in $PERMIT_COMMAND
142 do
143 echo "aclchg $1 +x $i"
144 done
145 echo "aclchg $1 -rw \"#?\""
146 shift
147 done
148 }
149
150 function get_directory_size ()
151 {
152 du -s "$1" | {
153 read -d " " dirsize
154 echo "$dirsize"
155 read throwaway
156 }
157 }
158
159
160
161 alias bgr=bgrun
162 alias bgv=bgview
163 alias bgl=bglist
164 alias bgc=bgcount
165 alias bgls=bglist
166 alias bgrm=bgclean
167
168 function bgrun ()
169 {
170 [ "$#" = "0" ] && return 1
171 [ '!' -d "$bgrunfiledir" ] && createdir_askmode "$bgrunfiledir" 0750
172 local current_time=`date "+%Y%m%d-%H%M%S"`
173 local cmdname=`echo "$1" | sed -e 's/-/_/g' -e 's/\\//_/g' -e 's/ /_/g'`
174 if [ "`echo "$cmdname" | cut -c 1`" == "_" ]
175 then
176 cmdname=`echo "$cmdname" | cut -c 2-`
177 fi
178 local filename="$bgrunfiledir/$current_time-$cmdname"
179 echo "Writing to $filename"
180 {
181 echo -n "$BASHPID " > "$filename"
182 echo "$@" >> "$filename"
183 exec "$@" &>> "$filename"
184 } &
185 }
186
187 function bglist ()
188 {
189 local viewtime=0
190 [ "$1" = "--full" ] && viewtime=1
191 {
192 for i in `find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort`
193 do
194 [ "$viewtime" = "1" ] && echo "$i"
195 head -n 1 "$i" | {
196 local procpid
197 local cmdline
198 read -d ' ' procpid
199 read cmdline
200 printf "(%5d) %s\n" "$procpid" "$cmdline"
201 }
202 done
203 } | {
204 if [ "$viewtime" = "1" ]
205 then
206 echo " INDEX TIME PID COMMAND"
207 local readstat=0
208 local -i i=1
209 while true
210 do
211 local dateandtime_long
212 local cmdline
213 read dateandtime_long
214 read cmdline
215 [ "$?" '!=' "0" ] && break
216 local dateandtime=`basename "$dateandtime_long"`
217
218
219
220
221
222
223 echo "$dateandtime" | {
224 read -n 4 part_year
225 read -n 2 part_month
226 read -n 2 part_date
227 read -n 1 drop_this_char; unset drop_this_char
228 read -n 2 part_hour
229 read -n 2 part_minute
230 read -n 2 part_second
231 printf '%6d' "$i"
232 echo " $part_year-$part_month-$part_date $part_hour:$part_minute:$part_second $cmdline"
233 }
234 i=$i+1
235 done
236 else
237 echo " INDEX PID COMMAND"
238 cat -n
239 fi
240 } | $PAGER
241 }
242
243 function bgview ()
244 {
245 local -i yourchoice
246 if [ "$1" = "" ]
247 then
248 yourchoice=`bgcount`
249 else
250 if [ "$1" -le "0" ]
251 then
252 yourchoice=$((`bgcount`+$1))
253 else
254 yourchoice=$1
255 fi
256 fi
257 echo "Your choice is $yourchoice."
258 local realfilename=`find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort | sed -n ${yourchoice}p`
259 head -n 1 "$realfilename" | {
260 read -d ' ' procpid
261 read cmdline
262 echo "PID: $procpid"
263 echo "Command Line: $cmdline"
264 }
265 read -e -p "View '$realfilename' ? " confirm
266 if [ "$confirm" = "n" ] || [ "$confirm" = "N" ]
267 then
268 return 1
269 fi
270 {
271 printf "===> Process Information: "
272 cat "$realfilename"
273 } | $PAGER
274 }
275
276 function bgcount ()
277 {
278 find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | cut -d - -f 2,3 | wc | awk '{print $2}'
279 }
280
281 function bgclean ()
282 {
283 if [ "$1" = "all" ]
284 then
285 echo "Removing the directory $bgrunfiledir"
286 rm -rf "$bgrunfiledir" &
287 return 0
288 else
289 split_arguments "$@"
290 local -i i=0
291 while [ "${arglist[$i]}" ]
292 do
293 arglist[$i]="-e ${arglist[$i]}p"
294 i=$i+1
295 done
296 local oneline
297 find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort | sed -n ${arglist[*]} | {
298 while read oneline
299 do
300 echo "Removing $oneline"
301 rm -f "$oneline"
302 done
303 }
304 fi
305 unset arglist
306 unset prefixlist
307 }
308
309 function bgdu ()
310 {
311 local -i j=1
312 {
313 echo " INDEX SIZE PID COMMAND"
314 for i in `find "$bgrunfiledir" -maxdepth 1 -mindepth 1 | sort`
315 do
316 head -n 1 "$i" | {
317 local procpid
318 local cmdline
319 read -d ' ' procpid
320 read cmdline
321 printf "%6d %8d (%5d) %s\n" "$j" \
322 "`get_directory_size "$i"`" \
323 "$procpid" "$cmdline"
324 }
325 j=$j+1
326 done
327 } | $PAGER
328 }
329
330
331
332 function check_dmesg ()
333 {
334 [ "$#" = "0" ] && return 1
335
336 while true
337 do
338 PREVIOS_DMESG_BUF="$DMESG_BUF"
339 DMESG_BUF="`dmesg`"
340 [ "$PREVIOS_DMESG_BUF" '!=' "$DMESG_BUF" ] && [ "$FIRST_RUN" = "0" ] && echo '===> You should check the system message buffer <==='
341 sleep $1
342 [ "$?" '!=' "0" ] && return 1
343 FIRST_RUN=0
344 done
345 }
346
347 function check_system_status ()
348 {
349 [ "$#" = "0" ] && return 1
350
351 filename_mail="$MAIL"
352 filename_messages="/var/log/messages"
353 filename_audit="/var/log/audit/audit.log"
354
355 while true
356 do
357 previous_dmesg_buf="$current_dmesg_buf"
358 current_dmesg_buf="`dmesg`"
359 previous_mail_info="$current_mail_info"
360 current_mail_info="`ls -l "$filename_mail"`"
361 previous_messages_info="$current_messages_info"
362 current_messages_info="`ls -l "$filename_messages"`"
363 previous_audit_info="$current_audit_info"
364 current_audit_info="`ls -l "$filename_audit"`"
365 if [ "$first_run" = "0" ]
366 then
367 [ "$previous_dmesg_buf" '!=' "$current_dmesg_buf" ] && echo "===> The system message buffer is modified (dmesg) <==="
368 [ "$previous_mail_info" '!=' "$current_mail_info" ] && echo "===> Your mailbox $filename_mail is modified <==="
369 [ "$previous_messages_info" '!=' "$current_messages_info" ] && echo "===> $filename_messages is modified <==="
370 [ "$previous_audit_info" '!=' "$current_audit_info" ] && echo "===> $filename_audit is modified <==="
371 fi
372 sleep $1
373 first_run=0
374 done
375 }
376
377 function prehistory_backup ()
378 {
379 echo "Checking your current history file"
380 local -i currentcount=`cat "$HISTFILE" | wc -l`
381 [ '!' -f "$historycountfile" ] && touch "$historycountfile"
382 local -i previoushistorycount
383 previoushistorycount=`cat "$historycountfile"`
384 if [ "$currentcount" -lt "$previoushistorycount" ]
385 then
386 printf "\e[1;31mWarning\e[m: Your $HISTFILE may be TRUNCATED OR OVERWRITTEN BY OTHER PROGRAMS!\n"
387 printf "Note: \e[1;33m$currentcount\e[m < $previoushistorycount\n"
388 echo "Your $historycountfile and $historybackupfile will not be overwritten until this problem is fixed."
389 echo " 1. Check your $HISTFILE."
390 echo " 2. Edit your $HISTFILE manually if some unexpected changes are found."
391 echo " (You may need $historybackupfile to do it) "
392 echo " 3. Remove the file $historycountfile."
393 echo " 4. Run the command \`prehistory_backup' again."
394 return 3
395 fi
396 echo -n "Backing up your current history file ($previoushistorycount -> $currentcount, "
397 if [ "$previoushistorycount" = "$currentcount" ]
398 then
399 echo "no modification)"
400 else
401 echo "+$(($currentcount-$previoushistorycount)))"
402 fi
403 echo "$currentcount" > "$historycountfile"
404 \cp -f "$HISTFILE" "$historybackupfile"
405 }
406
407
408
409 alias trash_put=trash_mv
410 alias trash_add=trash_mv
411 alias trash_list=trash_ls
412 alias trash_ct=trash_count
413 alias trash_restore=trash_recover
414 alias trash_rc=trash_recover
415 alias trash_drop=trash_rm
416 alias trash_clean=trash_rm
417
418 function trash_mv ()
419 {
420 [ "$#" = "0" ] && return 1
421 [ '!' -d "$trashdir" ] && createdir_askmode "$trashdir" 0700
422 local original_path
423 local current_time
424 local -i i=0
425 split_arguments "$@"
426 while [ "${arglist[$i]}" ]
427 do
428 original_path="`$REALPATH_PROGRAM "${arglist[$i]}"`"
429 current_time=`date "+%Y%m%d-%H%M%S"`
430 better_time=`date "+%Y-%m-%d %H:%M:%S"`
431 dirname="`basename "${arglist[$i]}" | sed -e 's/-/_/g' -e 's/ /_/g'`"
432 fulldirname="$trashdir/$current_time-$dirname"
433 mkdir -p "$fulldirname"
434 echo "Move: ${arglist[$i]} -> $fulldirname"
435 "${prefixlist[@]}" mv "${arglist[$i]}" "$fulldirname"
436 if [ "$?" = "0" ]
437 then
438 echo "$better_time" > "$fulldirname/information.date"
439 echo "$original_path" > "$fulldirname/information.path"
440 else
441 rmdir "$fulldirname"
442 fi
443 i=$i+1
444 shift
445 done
446 unset arglist
447 unset prefixlist
448 }
449
450 function trash_rm ()
451 {
452 split_arguments "$@"
453 local -i i=0
454 while [ "${arglist[$i]}" ]
455 do
456 arglist[$i]="-e ${arglist[$i]}p"
457 i=$i+1
458 done
459 trash_dirname=`find "$trashdir" -mindepth 1 -maxdepth 1 | sort | sed -n ${arglist[*]} `
460 echo 'Type rm -rf $trash_dirname to remove them.'
461 unset arglist
462 unset prefixlist
463 }
464
465 function trash_ls ()
466 {
467 local -i i=1
468 local oneline
469 find "$trashdir" -mindepth 1 -maxdepth 1 | sort | {
470 while read oneline
471 do
472 printf "%6d %s %s\n" "$i" \
473 "`cat "$oneline/information.date"`" \
474 "`cat "$oneline/information.path"`"
475 i=$i+1
476 done
477 } | $PAGER
478 }
479
480 function trash_pushd ()
481 {
482 [ -z "$1" ] && return 1
483 pushd `find "$trashdir" -mindepth 1 -maxdepth 1 | sort | sed -n $1p`
484 }
485
486 function trash_cd ()
487 {
488 [ -z "$1" ] && return 1
489 cd `find "$trashdir" -mindepth 1 -maxdepth 1 | sort | sed -n $1p`
490 }
491
492 function trash_recover ()
493 {
494 [ -z "$1" ] && return 1
495 split_arguments "$@"
496 local -i i=0
497 while [ "${arglist[$i]}" ]
498 do
499 arglist[$i]="-e ${arglist[$i]}p"
500 i=$i+1
501 done
502 find "$trashdir" -mindepth 1 -maxdepth 1 | sort | sed -n ${arglist[*]} | {
503 while read oneline
504 do
505 local fromfile="$oneline/`basename "$(cat "$oneline/information.path")"`"
506 local tofile="`dirname "$(cat "$oneline/information.path")"`"
507 if [ -e "`cat "$oneline/information.path"`" ]
508 then
509 echo "Destination file exists."
510 continue
511 fi
512 echo "Move: $fromfile -> $tofile"
513 "${prefixlist[@]}" mv -f "$fromfile" "$tofile"
514 if [ "$?" = "0" ]
515 then
516 echo "Remove: $oneline"
517 \rm -rf "$oneline"
518 fi
519 done
520 }
521 unset arglist
522 unset prefixlist
523 }
524
525 function trash_count ()
526 {
527 find "$trashdir" -mindepth 1 -maxdepth 1 | wc | awk '{print $2}'
528 }
529
530 function trash_du ()
531 {
532 split_arguments "$@"
533 local oneline
534 local -i i=1
535 find "$trashdir" -maxdepth 1 -mindepth 1 | sort | {
536 while read oneline
537 do
538 printf "%6d %8d %s\n" "$i" \
539 "`get_directory_size "$oneline"`" \
540 "`cat "$oneline/information.path"`"
541 i=$i+1
542 done
543 } | $PAGER
544 unset arglist
545 unset prefixlist
546 }
547
548
549
550 function split_arguments ()
551 {
552 local argcount=$#
553 local -i i=0
554 local prefix_start=0
555 while [ "$1" ]
556 do
557 if [ "$prefix_start" == "0" ]
558 then
559 if [ "$1" = "--" ]
560 then
561 prefix_start=1
562 i=0
563 shift
564 continue
565 else
566 arglist[$i]="$1"
567 fi
568 else
569 prefixlist[$i]="$1"
570 fi
571 i=$i+1
572 shift
573 done
574 }
575
576 function check_important_files ()
577 {
578 IMPORTANT_FILES="$HOME/.screenrc $HOME/.vimrc"
579 for i in $IMPORTANT_FILES
580 do
581 [ '!' -f "$i" ] && printf "\e[1;31mWarning\e[m: \e[1;33m$i\e[m does not exist.\n"
582 done
583 }
584
585
586
587 function split_path_core ()
588 {
589 echo "$current_path" | {
590 while read -d : oneline
591 do
592 [ '!' "$oneline" = '^' ] && echo "$oneline"
593 done
594 [ '!' "$oneline" = '^' ] && echo "$oneline"
595 }
596 unset oneline
597 }
598
599 function split_path ()
600 {
601 coproc split_path_core
602 readarray -t -u ${COPROC[0]} patharr
603 wait $COPROC_PID
604 }
605
606 function update_path ()
607 {
608 current_path=''
609 local -i i=0
610 local firsttime="yes"
611 while [ "${patharr[$i]}" ]
612 do
613 if [ '!' "${patharr[$i]}" = "^" ]
614 then
615 if [ "$firsttime" ]
616 then
617 firsttime=''
618 else
619 current_path+=':'
620 fi
621 current_path+="${patharr[$i]}"
622 fi
623 i=$i+1
624 done
625 }
626
627 function path_editor ()
628 {
629 path_editor_core
630 }
631
632 function ldpath_editor ()
633 {
634 path_editor_core ld
635 }
636
637 function path_editor_core ()
638 {
639 if [ "$1" = "ld" ]
640 then
641 export current_path="$LD_LIBRARY_PATH"
642 else
643 export current_path="$PATH"
644 fi
645 local should_continue="yes"
646 local command
647 local command_sub
648 local command_sub2
649 local -i i
650 while [ "$should_continue" ]
651 do
652 split_path
653 i=0
654 echo "========================================"
655 while [ "${patharr[$i]}" ]
656 do
657 echo "$i: ${patharr[$i]}"
658 i=$i+1
659 done
660 [ "$i" = '0' ] && echo "(Empty or not declared)"
661 echo "========================================"
662 read -e -p "[A]ppend/(D)elete/(E)dit/(M)ove/(R)eset/(Q)uit ? " command
663 case "$command" in
664 ''|A|a)
665 read -e -p "Type a new entry: " patharr[$i]
666 update_path
667 ;;
668 D|d)
669 read -e -p "Index: " command_sub
670 patharr[$command_sub]='^'
671 update_path
672 ;;
673 E|e)
674 read -e -p "Index: " command_sub
675 read -e -p "Modify this entry: " -i "${patharr[$command_sub]}" patharr[$command_sub]
676 update_path
677 ;;
678 M|m)
679 read -e -p "From: " command_sub
680 read -e -p "To: " command_sub2
681 swaptmp="${patharr[$command_sub]}"
682 patharr[$command_sub]="${patharr[$command_sub2]}"
683 patharr[$command_sub2]="$swaptmp"
684 unset swaptmp
685 update_path
686 ;;
687 R|r)
688 if [ "$1" = "ld" ]
689 then
690 current_path="$LD_LIBRARY_PATH"
691 else
692 current_path="$PATH"
693 fi
694 ;;
695 Q|q)
696 if [ "$1" = "ld" ]
697 then
698 export LD_LIBRARY_PATH="$current_path"
699 echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH"
700 history -s "LD_LIBRARY_PATH=$LD_LIBRARY_PATH"
701 else
702 export PATH="$current_path"
703 echo "PATH=$PATH"
704 history -s "PATH=$PATH"
705 fi
706 should_continue=''
707 ;;
708 *)
709 printf " \e[33m*** Unknown command ***\e[m \n"
710 ;;
711 esac
712 done
713 unset patharr
714 unset current_path
715 }
716
717
718
719 function backup_file ()
720 {
721 split_arguments "$@"
722 local current_time=`date +%Y%m%d`
723 local rootfilename
724 local -i i=0
725 local -i j
726 while [ "${arglist[$i]}" ]
727 do
728 if [ '!' -f "${arglist[$i]}" ]
729 then
730 printf "\e[1;31mError\e[m: ${arglist[$i]} does not exist or it is not a regular file.\n"
731 i=$i+1
732 continue
733 fi
734 rootfilename="${arglist[$i]}.$current_time"
735 if [ -e "$rootfilename" ]
736 then
737 j=0
738 while [ "$j" -lt "10" ]
739 do
740 if [ -e "$rootfilename.$j" ]
741 then
742 j=$j+1
743 continue
744 else
745 "${prefixlist[@]}" \cp -p "${arglist[$i]}" "$rootfilename.$j"
746 history -s "${prefixlist[@]}" \cp -p "${arglist[$i]}" "$rootfilename.$j"
747 "${prefixlist[@]}" touch -r "${arglist[$i]}" "$rootfilename.$j"
748 history -s "${prefixlist[@]}" touch -r "${arglist[$i]}" "$rootfilename.$j"
749 break
750 fi
751 done
752 if [ '!' "$j" -lt "10" ]
753 then
754 printf "\e[1;31mError\e[m: Can not create a backup file for ${arglist[$i]}.\n"
755 printf "\e[1;33mPlease delete some backup file because I only use 0 - 9.\e[m\n"
756 fi
757 else
758 "${prefixlist[@]}" \cp -p "${arglist[$i]}" "$rootfilename"
759 history -s "${prefixlist[@]}" \cp -p "${arglist[$i]}" "$rootfilename"
760 "${prefixlist[@]}" touch -r "${arglist[$i]}" "$rootfilename"
761 history -s "${prefixlist[@]}" touch -r "${arglist[$i]}" "$rootfilename"
762 fi
763 i=$i+1
764 done
765 unset arglist
766 unset prefixlist
767 }
768
769 function keep_sudo_credential ()
770 {
771 if [ "$1" ]
772 then
773 update_sudo_interval="$1"
774 else
775 update_sudo_interval="280"
776 fi
777 while true
778 do
779 sudo -v
780 sleep "$update_sudo_interval"
781 done
782 }
783
784 function get_memory_info ()
785 {
786 if [ "`uname`" = "Linux" ]
787 then
788 local meminfoline="`free -m | \grep -i mem`"
789 local swapinfoline="`free -m | \grep -i swap`"
790 local memtotal="`echo "$meminfoline" | awk '{print $2}'`"
791 local memused="`echo "$meminfoline" | awk '{print $3}'`"
792 local membuf="`echo "$meminfoline" | awk '{print $6}'`"
793 local memcache="`echo "$meminfoline" | awk '{print $7}'`"
794 local memprog=$(($memused-$membuf-$memcache))
795 local swaptotal="`echo "$swapinfoline" | awk '{print $2}'`"
796 local swapused="`echo "$swapinfoline" | awk '{print $3}'`"
797 echo "Memory: $memused / $memtotal MB (`printf %2d $(($memused*100/$memtotal))`%)"
798 echo "Detail:"
799 echo " Used: `printf %5d $memprog` MB (`printf %2d $(($memprog*100/$memtotal))`%)"
800 echo " Buffers: `printf %5d $membuf` MB (`printf %2d $(($membuf*100/$memtotal))`%)"
801 echo " Cached: `printf %5d $memcache` MB (`printf %2d $(($memcache*100/$memtotal))`%)"
802 if [ "$swaptotal" = "0" ]
803 then
804 echo "Swap: not available"
805 else
806 echo "Swap: $swapused / $swaptotal MB (`printf %2d $(($swapused*100/$swaptotal))`%)"
807 fi
808 else
809 echo "Current operating system is not Linux."
810 fi
811 }
812
813 function set_console_title ()
814 {
815 case "$TERM" in
816 screen)
817 printf "\033]0;"
818 echo -n "$*"
819 printf "\033\\"
820 ;;
821 xterm*)
822 printf "\033]0;"
823 echo -n "$*"
824 printf "\007"
825 ;;
826 *)
827 echo "Your terminal may not have the hardstatus line."
828 echo "Note: TERM=$TERM"
829 ;;
830 esac
831 }
832
833 function mvfile ()
834 {
835 local nocheck=0
836 [ "$1" = "-n" ] && nocheck=1 && shift
837 split_arguments "$@"
838 local -i i=0
839 while [ "${arglist[$i]}" ]
840 do
841 if [ "$nocheck" = "0" ] && [ '!' -e "${arglist[$i]}" ]
842 then
843 printf "\e[33mWarning\e[m: ${arglist[$i]} does not exist. (Use -n to override)\n"
844 i=$i+1
845 continue
846 fi
847 echo "Old name: ${arglist[$i]}"
848 read -p "New name: " -e -i "${arglist[$i]}" new_file_name
849 if [ "$new_file_name" ] && [ "${arglist[$i]}" != "$new_file_name" ]
850 then
851 "${prefixlist[@]}" mv -iv "${arglist[$i]}" "$new_file_name"
852 history -s "${prefixlist[@]}" mv -iv "${arglist[$i]}" "$new_file_name"
853 fi
854 i=$i+1
855 done
856 unset arglist
857 unset prefixlist
858 unset new_file_name
859 }
860
861 function createdir_askmode ()
862 {
863 newdir_mode="$2"
864 if mkdir -p "$1"
865 then
866 echo "Directory $1 is created."
867 printf "Change the mode of the directory... "
868 read -i "$newdir_mode" -p ">>> Mode: " -e newdir_mode
869 chmod "$newdir_mode" "$1"
870 else
871 echo "Cannot create directory $1!"
872 return 1
873 fi
874 }
875
876
877
878 alias helpf='help_function'
879 alias helpm='help_myself'
880
881 function print_iconv ()
882 {
883 [ "$1" = "$2" ] && cat && return 0
884 iconv -f "$1" -t "$2"
885 }
886
887 function help_myself ()
888 {
889 echo "argc = $#"
890 echo "argv[0] = $0"
891 i=1
892 while [ "$1" ]
893 do
894 echo "argv[$i] = $1"
895 i=$(($i+1))
896 shift
897 done
898 }
899
900 function help_function ()
901 {
902 [ "$#" = "0" ] && {
903 cat << ENDHELPMSG
904 <<< Help >>>
905 help_myself [arguments ...] (helpm)
906 help_function [functions ...] (helpf)
907 <<< Group: Background >>>
908 bgrun command [arguments ...] (bgr)
909 bglist [--full] (bgl, bgls)
910 bgview [number] (bgv)
911 bgclean [all | numbers ...] (bgrm)
912 bgcount (bgc)
913 bgdu
914 <<< Group: Trash >>>
915 trash_mv [filename ...] [-- sudo_prefix ...] (trash_put, trash_add)
916 trash_ls (trash_list)
917 trash_cd [number]
918 trash_pushd [number]
919 trash_recover [number] [-- sudo_prefix ...] (trash_restore, trash_rc)
920 trash_rm numbers ... (trash_drop, trash_clean)
921 trash_count (trash_ct)
922 trash_du [-- sudo_prefix ...]
923 <<< Group: PATH Editor >>>
924 path_editor
925 ldpath_editor
926 x split_path
927 x split_path_core
928 x update_path
929 x path_editor_core
930 <<< Other >>>
931 backup_file filename ... [-- sudo_prefix ]
932 check_dmesg seconds
933 check_system_status seconds
934 check_important_files
935 compile_all [-n] filename ...
936 convert_to_html filename ...
937 keep_sudo_credential [seconds]
938 mkscreenacl username ...
939 mvfile [-n] filename ... [-- sudo_prefix]
940 prehistory_backup
941 set_console_title
942 x createdir_askmode dirname
943 x split_arguments [arguments ...]
944 x get_directory_size dirname
945 ENDHELPMSG
946 } && return 0
947 local current_charset=`echo "$LC_ALL" | cut -d . -f 2`
948 local -i i
949 while [ "$1" ]
950 do
951 case "$1" in
952 help_myself|helpm)
953 cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
954 help_myself
955 一個測試命令列的小函式
956 ENDHELPMSG
957 ;;
958 help_function|helpf)
959 cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
960 help_function
961 顯示 .bash_include 提供的額外函式清單
962 註：前方加上「x」符號者表示此為內部使用的函式，不宜直接使用
963 ENDHELPMSG
964 ;;
965 bgrun|bgr)
966 cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
967 bgrun command [arguments ...]
968 執行指令 command 並將輸出導入檔案
969 註：此函式會自動以目前時間和指令名稱為檔案命名
970 ENDHELPMSG
971 ;;
972 bglist|bgl|bgls)
973 cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
974 bglist [--full]
975 列出所有使用 bgrun 執行的指令
976 若加上 --full 選項，則可同時察看時間
977 ENDHELPMSG
978 ;;
979 bgview|bgv)
980 cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
981 bgview [number]
982 顯示以 bgrun 執行指令的輸出，若省略 number，表示是最近一次執行的指令
983 若 number > 0，
984 表示第 number 個指令 (此數值可由 bglist 函式取得)
985 若 number <= 0，
986 表示第「指令總數-number」個指令 (指令總數可由 bgcount 函式取得)
987 ENDHELPMSG
988 ;;
989 bgclean|bgrm)
990 cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
991 bgclean [all | numbers ...]
992 bgclean all 可清除所有指令的輸出檔
993 bgclean 3 5 7 10 表示清除第 3、5、7、10 個指令輸出檔 (編號可由 bglist 取得)
994 ENDHELPMSG
995 ;;
996 bgcount|bgc)
997 cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
998 bgcount
999 顯示指令輸出檔總數
1000 ENDHELPMSG
1001 ;;
1002 bgdu)
1003 cat << ENDHELPMSG | print_iconv "UTF-8" "$current_charset"
1004 bgdu
1005 顯示每個指令輸出檔的檔案大小 (單位：KB)
1006 ENDHELPMSG
1007 ;;
1008 *)
1009 echo "Help message for $1 is not found"
1010 ;;
1011 esac
1012 shift
1013 done
1014 }
1015
1016
1017
1018
1019
1020 umask 0022
1021
1022 if [ "$interactive_shell" ]
1023 then
1024 echo "Running interactive shell configuration"
1025 check_important_files
1026 startcolor
1027 prehistory_backup
1028 bind '"\e[A":history-search-backward'
1029 bind '"\e[B":history-search-forward'
1030 if [ -z "$PROMPT_COMMAND" ] && [ -e "$HOME/.bash_title" ]; then
1031 case "$TERM" in
1032 xterm*)
1033 PROMPT_COMMAND='printf "\033]0;%s@%s:%s (%s)\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/~}" "`date "+%H:%M:%S"`"'
1034 ;;
1035 screen)
1036 PROMPT_COMMAND='printf "\033]0;%s@%s:%s (%s)\033\\" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/~}" "`date "+%H:%M:%S"`"'
1037 ;;
1038 esac
1039 fi
1040 fi
1041
1042 if [ "`uname`" = "Linux" ]
1043 then
1044 [ "$interactive_shell" ] && echo "Setting special things for Linux"
1045 REALPATH_PROGRAM="readlink -f"
1046 ulimit -c unlimited
1047 fi
1048
1049 [ "$interactive_shell" ] && echo "Setting shell options"
1050
1051 shopt -s histappend
1052 shopt -s checkwinsize
1053 shopt -s checkjobs
1054 shopt -s checkhash
1055 shopt -s cmdhist
1056 shopt -s mailwarn
1057
1058 [ "$interactive_shell" ] && {
1059 echo "Done"
1060 if [ "$UID" = "0" ] || [ "$EUID" = "0" ]
1061 then
1062 printf "\nNote: You may be \e[1;32mprivileged\e[m now!\n\n"
1063 fi
1064 }
1065