[Matlab] show 2d mesh grid

function ShowGridLine(lon,lat,NSkip,LineC,LineS,LineM) % To show a 2d mesh-grid defined by given grid points % similar to the function mesh? % Example: %          ShowGridLine(lon,lat,2,'k','-','.') %          http://scriptdemo.blogspot.com % if (nargin>3)     if exist('LineC','var')~=1 LineC='k'; end     if exist('LineS','var')~=1 LineS='-'; end     if exist('LineM','var')~=1 LineM='none'; end elseif (nargin>=2)     if exist('NSkip','var')==1         if ischar(NSkip) LineC=NSkip; clear NSkip; end     end     if exist('NSkip','var')~=1 NSkip=5; end     if exist('LineC','var')~=1 LineC='k'; end     if exist('LineS','var')~=1 LineS='-'; end     if exist('LineM','var')~=1 LineM='none'; end elseif (nargin==0)     close all;     [xx,yy]=meshgrid(1:19,1:19);     ShowGridLine(xx,yy,1,'k','-');     plot(4,4,'o','markerfacecolor','k','markersize',4,'markeredgecolor','k');     plot(16,16,'o','markerfacecolor','k','markersize',4,'markeredgecolor','k');     plot(4,16,'o','markerfacecolor','k','markersize',4,'markeredgecolor','k');     plot(16,4,'o','markerfacecolor','k','markersize',4,'markeredgecolor','k');     set(gcf,'color','w');     set(gca,'xtick',2:2:18,'ytick',2:2:18,'ydir','r','xaxislocation','top')     axis equal; axis tight;     xlabel('Go Board','fontweight','bold','fontsize',18,'color','red');     return else     help ShowGridLine     return end [N1,N2]=size(lat); if ~ishold hold on; end for NL=1:NSkip:N2     hp=plot(lon(:,NL),lat(:,NL));     set(hp,'color',LineC,'linestyle',LineS,'Marker',LineM) end for NL=1:NSkip:N1     hp=plot(lon(NL,:),lat(NL,:));     set(hp,'color',LineC,'linestyle',LineS,'Marker',LineM,'tag','gridLines') end

Demo:

[Bash] remove the temporary files generated by latex

#!/bin/bash # to clean the "*.blg *.bbl *.aux *.spl" files # usage: #          cleanlatex option #                          -l : just list those files #                          -f : remove by force #                      -dvi : dvi files as well #                  -name : only those with a specifc filename #    e.g., #          cleanlatex -l #          cleanlatex -f -name pdftest -dvi #          http://scriptdemo.blogspot.com    [ $# -eq 0 ] && sed -n '3,11p' `which cleanlatex` && exit isFLname=0 isForce=0 isList=0 isDvi=0 isDebug=0 fname='*' while test -n "$1" do      case "$1" in       -l|-L)         isList=1         shift         ;;       -f|-F|-force|-del|-remove)         isForce=1         shift         ;;       -dvi)         isDvi=1         shift         ;;       -name)         fname=$2         fname=${fname%.*}         shift;         shift;         ;;       -debug|-Debug)         isDebug=1         shift         ;;       *)         echo "unkown option: $1"         shift         ;;      esac done [ ${isList} -eq 1 ] && isForce=0 flist="${fname}.spl ${fname}.aux ${fname}.bbl ${fname}.blg ${fname}.log" [ ${isDvi} -eq 1 ] && flist="${flist} ${fname}.dvi" if [ ${isForce} -eq 0 ]; then    if [ ${isDebug} -eq 1 ]; then       echo "ls ${flist}"    else       eval "ls ${flist} 2>/dev/null"    fi    exit else    if [ ${isDebug} -eq 1 ]; then       echo "rm -f ${flist}"    else       eval "rm -f ${flist} 2>/dev/null"    fi fi

[Bash] mail2me: send email with attachments from terminal

This is mutt version. A "mail" version is here.

#!/bin/bash # send files to an email account as the attachment(s) # usage: #           mail2me email -s 'YourSubject'  YourAttachments #           http://scriptdemo.blogspot.com function isEmail() {    cEmail=`echo $1 | grep "^[a-zA-Z]\+\([._][a-zA-Z0-9]\+\)*@\([a-zA-Z0-9]\+\.\)\+[a-zA-Z]\{2,3\}$"`    if [ ${#cEmail} -gt 0 ]; then       echo "true"    else       echo "false"    fi } function isServerOn() {   myS=$1   myp=`ping -c 2 ${myS} 2>&1 | grep "% packet" | awk '{print $6*100}'`   if [ ${#myp} -eq 0 ]; then      echo "-1" #server: ${myS} is not valid   elif [ ${myp} -eq 100 ]; then      echo "0" #server: ${myS} is off   else      echo "1" #server: ${myS} is $(( 100 - ${myp}))% response   fi } if [ $# -le 1 ]; then    echo "usage: mail2me email -s Subject file1 [file2] ..."    exit fi #check email targetEmail=$1 isValidEmail=`isEmail ${targetEmail}` [ ${isValidEmail} == "false" ] && echo "${targetEmail} is not a valid email address!!!" && exit #check smtp server smtpS=`echo ${targetEmail} | awk -F\@ '{print $2}'` smtpS="smtp.${smtpS}" isOnline=`isServerOn ${smtpS}` if [ ${isOnline} == "-1" ]; then      echo "SMTP server: ${smtpS} is invalid. STOP" && exit elif [ ${isOnline} == "0" ]; then      echo "SMTP server: ${smtpS} is offline. STOP" && exit fi #send email numF=0 nf=2 isDebug=0 shift #shift the email while [ $# -ge 1 ] do     case $1 in        -s|-S)          mysubj=$2          shift; shift;          ;;        -d|-D)          isDebug=1          shift          ;;        *)          if [ -f ${tmpfn} ]; then             myfile[${numF}]=$1             numF=`expr ${numF} + 1`          else             echo "$1 is not found!"          fi          shift          ;;      esac done if [ ${numF} -eq 1 ]; then    [ ${#mysubj} -eq 0 ] && mysubj="[script] ${myfile[0]}" elif [ ${numF} -gt 1 ]; then    [ ${#mysubj} -eq 0 ] && mysubj="[script] backup ${myfile[0]} etc." else    echo "no file is found!!!" && exit fi if [ ${isDebug} -eq 1 ]; then    echo "echo \"The attachment is ${myfile[*]} sent by `whoami` from `hostname`\" | mutt -s '${mysubj}' -a ${myfile[*]} -- ${targetEmail}" else    echo "The attachment is ${myfile[*]} sent by `whoami` from `hostname` " | mutt -s "${mysubj}" -a ${myfile[*]} -- ${targetEmail} fi