[Bash] change current workspace by calling a script function

# to change current path using a customized script function # instead of using alias. Need put this function in .bashrc #    e.g., #            mycd ex1 ==> cd ~/scripttest/ex1 #            mycd ex2 ==> cd ~/scripttest/ex2 #            mycd eX2 ==> cd ~/scripttest/ex2 #   @ http://scriptdemo.blogspot.com  function mycd (){  if [ $# -ne 1 ]; then     echo "Usage:"     echo " mycd foldername"  else     targetF=`echo $1 | awk '{print tolower($1)}'`     targetP=${HOME}/scripttest/${targetF}     if [ -d ${targetP} ]; then        eval "cd ${targetP}"     else        echo "${targetP} does not exist!"     fi     unset targetF  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

[Bash] send email with an attachment from Terminal

Enhanced version of back-up-text-files-using-mail-function
Also check mutt  .

#!/bin/bash # send email with a file as the attachment # usage: #            mailit email files #            http://scriptdemo.blogspot.com #   note:   #           some old versions do not support the attachment option #           [tested with Heirloom mailx 12.5] 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 on or partly responses   fi } if [ $# -le 1 ]; then    echo "usage: mailit email file1 [file2] ..."    exit fi #check email address 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: ${smtpS} is offline. STOP" && exit fi #send email for (( nf=2; nf<=$#; nf++ )) do     eval "myfile=\$${nf}"     if [ -f ${myfile} ]; then        echo "The attachment is ${myfile} sent by `whoami` from `hostname`" > tmpcont.mailtomea        mail -s "[script] ${myfile}" -a ${myfile} ${targetEmail} < tmpcont.mailtomea && \        echo "send mail successfully" && \        rm -f tmpcont.mailtomea     else        echo "${myfile} dos not exist"     fi done

[Bash] ris2bib: convert RIS citation file to bibtex format

#!/bin/bash # convert ris format to bibtex format # usage: #          ris2bib.sh ris-file(s) #          www.scriptdemp.blogspot.ca getCTag() {    for cTag in $*    do       nl=`grep "^${cTag}" ${ris} | wc -l`       [ ${nl} -ne 0 ] && echo "${cTag}" && exit    done    echo "" } [ $# -eq 0 ] && sed -n '2,5p' `which ris2bib.sh` && exit for ris in $* do     if [ -e ${ris} ]; then        dos2unix ${ris}        auTag=`getCTag AU A1 A2`        tlTag=`getCTag T1 TI`        joTag=`getCTag JO JA`        yrTag=`getCTag PY Y1`        doTag=`getCTag M3 DO`        voTag="VL"; spTag="SP"; epTag="EP"; urTag="UR"; isTag="IS"        publisher=`grep "^PB\ " ${ris} | awk -F\- '{print $2}' | sed -e 's/^\ //g'`        authorList0=`grep "^${auTag}\ " ${ris} | awk -F\- '{print $2"@"}'`        authorList=`echo ${authorList0} | sed -e 's/^\ //g' -e 's/\.\ /\./g' -e "s/\@$//" | sed -e 's/@/\ and\ /g'`        titleStr=`grep "^${tlTag}\ " ${ris} | cut -c7-`        jourStr=`grep "^${joTag}\ " ${ris} | awk -F\- '{print $2}' | sed -e 's/^\ //g'`        volStr=`grep "^${voTag}\ " ${ris} | awk -F\- '{print $2}' | sed -e 's/\ //g'`        SPStr=`grep "^${spTag}\ " ${ris} | awk -F\- '{print $2}' | sed -e 's/\ //g'`        EPStr=`grep "^${epTag}\ " ${ris} | awk -F\- '{print $2}' | sed -e 's/\ //g'`        if [ ${#EPStr} -ne 0 ]; then           pageStr="${SPStr}--${EPStr}"        else           pageStr=${SPStr}        fi        if [ ${#isTag} -ne 0 ]; then           isnStr=`grep "^${isTag}\ " ${ris} | cut -c7-`        fi        yearStr=`grep "^${yrTag}\ " ${ris} | awk -F\- '{print $2}' | sed -e 's/\ //g' | cut -c-4`        if [ ${#doTag} -ne 0 ]; then           doiStr=`grep "^${doTag}\ " ${ris} | awk -F\- '{print $2}' | rev | awk -F\: '{print $1}' | rev | sed -e 's/^\ //g'`        fi        if [ ${#urTag} -ne 0 ]; then           urlStr=`grep "^${urTag}\ " ${ris} | awk -F\- '{print $2}' | sed -e 's/^\ //g'`        fi        #generate the key        mykey=`echo ${authorList} | awk -F\, '{print $1}'`        mykey="${mykey}${yearStr}"        titleKey=`echo ${titleStr} | awk '{print $1""$2}'`        mykey=`echo "${mykey}${titleKey}" | awk '{print tolower($0)}' | sed -e 's/\-//g'`        echo ""        echo @article{"${mykey},"        echo " author={${authorList}},"        echo " title = {{${titleStr}}},"        echo " journal = {${jourStr}},"        echo " year = {${yearStr}},"        echo " volume = {${volStr}},"        [ ${#isnStr} -ne 0 ] && echo " number = {"${isnStr}"},"        [ ${#doiStr} -ne 0 ] && echo " doi = {"${doiStr}"},"        [ ${#urlStr} -ne 0 ] && echo " url = {${urlStr}},"        if [ ${#publisher} -eq 0 ]; then           echo " pages = {${pageStr}}"        else           echo " pages = {${pageStr}},"           echo " publisher = {${publisher}}"        fi        echo " }"        unset auTag tlTag joTag voTag spTag epTag isTag    else       echo ""       echo "${ris} is not found!"       echo ""    fi done

[Bash] combine eps files into a single one

#!/bin/bash #  to combine several eps files into a single eps file # Usage: #        combineEPS.sh eps-file[s] -o eps-combined.eps -nC nCol -nR nRow # e.g., #        Given fig04a.eps, fig04b.eps, fig04c.eps, fig04d.eps, #        to create a single 2x2 eps file, fig4.eps, just run: #        combineEPS.sh fig04?.eps -o fig4.eps -nC 2 -nR 2 #         # dependencies: #        latex, dvips, ps2pdf, pdftops, pdfcrop #        pdfcrop is from http://pdfcrop.sourceforge.net #        http://scriptdemo.blogspot.ca chkcmd() {   for nf in $*   do      isAvailable=`which ${nf} 2< /dev/null`      [ ${#isAvailable} -eq 0 ] && echo 0 && exit   done   echo 1 } # check the dependencies isCMDOkay=`chkcmd latex dvips ps2pdf pdfcrop pdftops` if [ ${isCMDOkay} -eq 0 ]; then    isCMDOay=`which latex`    isCMDOay=`which dvips`    isCMDOay=`which ps2pdf`    isCMDOay=`which pdfcrop`    isCMDOay=`which pdftops`    exit fi nfile=0 isEPSFname=0 isnCol=0 isnRow=0 isDel=0 isCaption=0 [ $# -eq 0 ] && sed -n '2,9p' `which combineEPS.sh` && exit while test -n "$1" do   case "$1" in     -nC|-nc|-nCol|-ncol|-Ncol)        nCol=$2        isnCol=1        shift        shift        ;;     -nR|-nr|-nRow|-Nrow|-nrow)        nRow=$2        isnRow=1        shift        shift        ;;     -title|-Title|-Caption|-caption)        myCaption=$2        isCaption=1        shift        shift        ;;     -d|-delete|-del|-D)        isDel=1;        shift        ;;     -o|-O)        epsfname=$2        isEPSFname=1        shift        shift        ;;      *)        sufstr=`echo $1 | awk -F. '{print $2}'`        if [ ${#sufstr} -eq 0 ]; then           tmpfile="$1".eps           [ -f ${tmpfile} ] && epsfile[$nfile]=${tmpfile}.eps        elif [ $sufstr == "eps" ]; then           [ -f $1 ] && epsfile[$nfile]=$1        fi        nfile=`expr $nfile + 1`        shift        ;;   esac done [ ${isEPSFname} -eq 0 ] && epsfname="eps-combined.eps" if [ ${isnCol} -eq 1 ] && [ ${isnRow} -eq 0 ]; then    nRow=`echo "${nfile}/${nCol}" | bc -l | awk '{ if ($1 == int($1)) {printf "%d\n", $1} else { if ($1>0) {printf "%d\n",int($1)+1 } else {printf "%d\n",int($1)} } }'` fi if [ ${isnRow} -eq 1 ] && [ ${isnCol} -eq 0 ]; then    nCol=`echo "${nfile}/${nRow}" | bc -l | awk '{ if ($1 == int($1)) {printf "%d\n", $1} else { if ($1>0) {print "%d\n",int($1)+1 } else {printf "%d\n",int($1)} } }'` fi if [ $isnRow -eq 0 ] && [ $isnCol -eq 0 ]; then    nCol=1    nRow=${nfile} fi colstr=`printf "%*s\n" ${nCol} " " | sed -e 's/\ /c/g'` nwidth=$(printf "%.2f\n" `echo "1/${nCol}" | bc -l`) [ ${nwidth} == "1.00" ] && nwidth="" #echo -e "nCol=${nCol}\nnRow=${nRow}\nnWid=${nwidth}" # header of tex file texfile=${epsfname%.*}.tex dvifile=${epsfname%.*}.dvi psfile=${epsfname%.*}.ps logfile=${epsfname%.*}.log auxfile=${epsfname%.*}.aux pdfname=${epsfname%.*}.pdf header[0]='\documentclass[letterpaper,12pt]{article}' header[1]='\usepackage{epsfig}' header[2]='\begin{document}' header[3]='\thispagestyle{empty}' header[4]='\begin{figure}' header[5]='\centering' header[6]="\begin{tabular}{${colstr}}" printf "%s\n" ${header[*]} > ${texfile} n=0 nfileC=`expr ${nfile} - 1` for nL in `seq 1 ${nRow}` do     for nC in `seq 1 ${nCol}`     do        if [ $n -lt ${nfile} ]; then           epsname=${epsfile[$n]}           if [ ${nC} -eq ${nCol} ]; then              if [ ${nL} -eq ${nRow} ]; then                 tmpstr=""              else                 tmpstr=" \\\\"              fi           else              tmpstr=" &"           fi           [ ${n} -eq ${nfileC} ] && tmpstr=""           figline[$n]="\epsfig{file=${epsname},width=${nwidth}\linewidth,clip=}${tmpstr}"           #printf "%s\n" "${figline[$n]}" >> ${texfile}           n=`expr $n + 1`        fi     done done printf "%s %s\n" ${figline[*]} >> ${texfile} # tail of tex file mytail[0]="\end{tabular}" if [ ${isCaption} -eq 1 ]; then    mytail[1]="\caption${myCaption}" else    mytail[1]="" fi mytail[2]="\end{figure}" mytail[3]="\end{document}" printf "%s\n" ${mytail[*]} >> ${texfile} #compile the tex file latex ${texfile} dvips -t letter -Ppdf -o ${psfile} ${dvifile} && rm -f ${dvifile} ps2pdf ${psfile} && rm -f ${psfile} ${auxfile} ${logfile} [ ${isDel} -eq 1 ] && rm -f ${texfile} # crop the pdf file pdfname=${epsfname%.*}.pdf pdfcrop ${pdfname} && mv ${pdfname%.*}-crop.pdf ${pdfname} && pdftops -eps ${pdfname} ${epsfname}