[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