[Bash] convert agu citation to bibtex format

#!/bin/bash # convert citation string from agu website to a bibtex format # usage: #           agu2bib.sh 'citeString' #   note:  #          1: need single quotations #          2: the whole command should be in one line #         www.scriptdemo.blogspot.ca getLastChar() {   echo -n $* | tail -c1 } fixVolNum() {   # get number from volume-string   volstr=$1   if [ `getLastChar ${volstr}` == ")" ]; then      numStr=`echo ${volstr} | awk -F\( '{print $2}' | rev | cut -c2- | rev`      volstr=`echo ${numStr} | sed -e "s/\(${numStr}\)//"`      echo "${volstr} ${numStr}" && exit   else      nf=`echo $volstr | awk -F\: '{print NF}'`      if [ ${nf} -eq 2 ]; then         echo ${volstr} | awk -F\: '{print $1" "$2}' && exit      else         echo "${volstr}" && exit      fi   fi } fixPageNum() {    echo $1 | sed -e 's/–/--/g' | sed -e 's/----/--/' } revName() {    nf=`echo $* | awk '{print NF}'`    if [ $nf -ge 2 ]; then       lastName=`echo $* | rev | awk '{print $1}' | rev`       restName=`echo $* | sed -e "s/${lastName}//" | sed -e 's/\.\ /\./g' | sed -e 's/\ $//'`       echo "${lastName}, ${restName}"    else       echo $*    fi } getAuthor() {     nf=`echo $* | awk --field-separator=" and " '{print NF}'`     if [ ${nf} -eq 1 ]; then        # one author        # Myers, P. G. ==> Myers, P.G.        echo $* | sed -e 's/\.\ /\./g'        exit     else        # more than one author        lastOne=`echo $* | awk --field-separator=" and " '{print $2}'`        lastOne=`revName ${lastOne}`        # how to get first one        str0=`echo $* | awk --field-separator=" and " '{print $1}' | sed -e 's/\,$//'`        nf=`echo ${str0} | awk -F\, '{print NF}'`        if [ ${nf} -eq 1 ]; then           echo "${str0} and ${lastOne}"           exit        fi        fl2=`echo ${str0} | awk -F\, '{print $2}'`        indNext=2        if [ `getLastChar ${fl2}` == "." ]; then           # take first two fields as the first author           fl1=`echo ${str0} | awk -F\, '{print $1}'`           fl2=`echo ${fl2} | sed -e 's/\.\ /\./g' | sed -e 's/\ $//'`           firstOne="${fl1}, ${fl2}"           indNext=3        fi        outStr=${firstOne}        for (( n=${indNext}; n<=${nf}; n++))        do            cfl=`echo ${str0} | cut -d\, -f ${n}`            cnameStr=`revName ${cfl}`            outStr="${outStr} and ${cnameStr}"        done        echo "${outStr} and ${lastOne}" && exit     fi } [ $# -eq 0 ] && sed -n '2,7p' `which agu2bib.sh` && exit isDebug=0 nLen=4 inStr=$* nTLen=${#inStr} nLoop=`expr ${nTLen} - ${nLen} - 1` isFound=0 jTag="" for (( nL=1; nL<=${nLoop}; nL++ )) do     subStr=${inStr:${nL}:${nLen}} # index starts from ZERO     if [[ ${subStr} =~ "[1-2][0-9][0-9][0-9]" ]]; then        [ ${isDebug} -eq 1 ] && set -x        nL0=${nL}        tmpChar=`echo ${inStr} | cut -c${nL0}`        while [ "${tmpChar}" != ' ' ]        do              nL0=`expr ${nL0} - 1`              tmpChar=`echo ${inStr} | cut -c${nL0}`        done        myStr0=`echo ${inStr} | cut -c-${nL0} | sed -e 's/\ $//g' -e 's/\,$//g'`        nL1=`expr ${nL} + ${nLen} + 1`        tmpChar=`echo ${inStr} | cut -c${nL1}`        [ "${tmpChar}" == ":" ] && jTag="ams"        while [ "${tmpChar}" != ' ' ]        do              [ "${tmpChar}" == ":" ] && jTag="ams"              nL1=`expr ${nL1} + 1`              tmpChar=`echo ${inStr} | cut -c${nL1}`        done        myStr1=`echo ${inStr} | cut -c${nL1}-`        yearStr=${subStr}        isFound=1        break     fi done [ ${isDebug} -eq 1 ] && set +x [ ${isFound} -eq 0 ] && echo "can find the publicsh time!" && exit [ ${isDebug} -eq 1 ] && echo "second half: ${myStr1}" # get doi doi=`echo ${myStr1} | rev | awk -F, '{print $1}' | rev | sed -e 's/\ //g'` if [[ ${doi} =~ "doi*" ]] || [[ ${doi} =~ "DOI*" ]]; then    isDOI=1    doi=`echo ${doi} | sed -e 's/\.$//'`    pages=`echo ${myStr1} | rev | awk -F, '{print $2}' | rev | sed -e 's/\ //g'`    vol=`echo ${myStr1} | rev | awk -F, '{print $3}' | rev | sed -e 's/\ //g'`    if [ "${#jTag}" -eq 0 ]; then       jour=`echo ${myStr1} | rev | awk -F, '{print $4}' | rev`    fi else    isDOI=0    pages=${doi} && unset doi    pages=`echo ${pages} | sed -e 's/\.$//'`    vol=`echo ${myStr1} | rev | awk -F, '{print $2}' | rev | sed -e 's/\ //g'`    if [ "${#jTag}" -eq 0 ]; then       jour=`echo ${myStr1} | rev | awk -F, '{print $3}' | rev`    fi fi if [ ${#jTag} -eq 0 ]; then    indOfJour=`awk -v a="${myStr1}" -v b="${jour}" 'BEGIN{print index(a,b)}'`    indOfJour=`expr ${indOfJour} - 3`    title=`echo ${myStr1} | cut -c-${indOfJour}` else    title=`echo ${myStr1} | awk -F\. '{print $1}'`    nL1=`expr ${#title} + 2`    myStr1=`echo ${myStr1} | cut -c${nL1}-`    jour=`echo ${myStr1} | awk -F\, '{print $1}'`    nf=`echo ${myStr0} | awk -F\, '{print NF}'`    if [ ${nf} -gt 2 ]; then       myStr0=`echo ${myStr0} | rev | sed -e 's/\,/\ dna\ /' | rev`    fi fi # get author string [ ${isDebug} -eq 1 ] && echo "first half: ${myStr0}" author=`getAuthor "${myStr0}"` pages=`fixPageNum ${pages}` volStr=`fixVolNum ${vol}` vol=`echo ${volStr} | awk '{print $1}'` num=`echo ${volStr} | awk '{print $2}'` #generate the key mykey=`echo ${author} | awk -F\, '{print $1}'` mykey="${mykey}${yearStr}" titleKey=`echo ${title} | awk '{print $1""$2}'` mykey=`echo "${mykey}${titleKey}" | awk '{print tolower($0)}' | sed -e 's/\-//g'` #output echo "@article{${mykey}," echo " author={${author}}," echo " title = {{${title}}}," echo " journal = {${jour}}," echo " year = {${yearStr}}," echo " volume = {${vol}}," [ ${#num} -ne 0 ] && echo " number = { ${num}}," if [ ${isDOI} -eq 1 ]; then    echo " pages = {${pages}},"    echo " doi = {${doi}}" else    echo " pages = {${pages}}" fi echo "}"

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