[Bash] extractBib: extract bib items from a source bibtex database for a given tex file

#!/bin/bash # extract bib items from a source bibtex database for a given tex file # usage: #          extractBib tex-file bibtex-database output-bibtex-file # e.g., #          extractBib mypaper.tex mybibtexdatabase.bib mypaper.bib # http://scriptdemo.blogspot.com function getkeys() {    texfile=$1    mykeys=`grep "cite.*{.*}" ${texfile} | sed -e 's/\ //g' | awk '{for (i=1; i<=NF;i++) {if ($i ~ /cite/) {print $i}}}' | sed -e 's/\}/\n/g' | awk -F\{ '{print $2}' | sed -e 's/\,/\n/g' | sed '/^[\ ]*[\ ]*$/d' | sort | uniq | sed '/^\\\\/d' | sed '/:/d'`     echo ${mykeys} } if [ $# -eq 3 ]; then    texfile=$1; bibfile=$2; outfile=$3 elif [ $# -eq 2 ]; then    texfile=$1; bibfile=$2; outfile="extractbib_"$1 else    echo "usage:"    echo "          extractBib tex-file bibtex-database output-bibtex-file"    exit fi # make sure no overwrite [ -e ${outfile} ] && echo "${outfile} exists alreay! exit" && exit allkeys=`getkeys ${texfile}` if [ ${#allkeys[*]} -ne 0 ]; then    touch ${outfile}    for eachkey in ${allkeys[*]}    do        #echo ${eachkey}        sed -ne "/${eachkey}/,/^[\ ]*\}$/p" ${bibfile} >> ${outfile}    done fi

[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] ps2png: convert ps to png format with high quality

previous solution using ImageMagicK works too, but may not produce the high quality expected.

#!/bin/bash # convert a single-page ps file into png format using gs # usage: #            ps2png psfile.ps # Note: #           1: need gs installed #           2: same name is used for the png file #           http://scriptdemo.blogspot.com if [ $# == 0 ]; then    sed -n '2,4p' `which ps2png`    exit else   for psname in $*   do      if [ -e $psname ]; then         pngname=`echo ${psname%%.*}`           gs -r300 -dTextAlphaBits=4 -sDEVICE=png16m -sOutputFile=${pngname}.png -dBATCH -dNOPAUSE ${psname}      else         echo "${psname} does not exist!"      fi   done fi

[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}