PWGPP/QA/scripts/runQA.sh

   1 #!/bin/bash
   2 if [ ${BASH_VERSINFO} -lt 4 ]; then
   3   echo "bash version >= 4 needed, you have ${BASH_VERSION}, exiting..."
   4   exit 1
   5 fi
   6
   7 main()
   8 {
   9   if [[ -z $1 ]]; then
  10     echo "Usage: "
  11     echo "  ${0##*/} option=value [option=value]"
  12     echo "  at least inputList should be specified, or configFile containing it:"
  13     echo "  ${0##*/} inputList=file.list"
  14     echo "  options override config file (if any), e.g.:"
  15     echo "  ${0##*/} configFile=runQA.config inputList=file.list outputDirectory=%det"
  16     return 1
  17   fi
  18
  19   if ! parseConfig "$@"; then
  20     ${0}
  21     return 1
  22   fi
  23
  24   [[ -z $ALICE_ROOT ]] && echo "ALICE_ROOT not defined" && return 1
  25
  26   ocdbregex='raw://'
  27   if [[ ${ocdbStorage} =~ ${ocdbregex} ]]; then
  28     alien-token-init ${alienUserName}
  29     #this is a hack! alien-token init seems not enough
  30     #but the gclient_env script messes up the LD_LIBRARY_PATH
  31     while read x; do
  32       eval ${x};
  33     done < <(grep -v "LD_LIBRARY_PATH" /tmp/gclient_env_${UID})
  34   fi
  35
  36   updateQA "$@"
  37   return 0
  38 }
  39
  40 updateQA()
  41 {
  42   umask 0002
  43   parseConfig "$@"
  44
  45   #be paranoid and make some full paths
  46   [[ ! -f ${inputList} ]] && echo "no input list: ${inputList}" && return 1
  47   inputList=$(get_realpath ${inputList})
  48   mkdir -p ${workingDirectory}
  49   workingDirectory=$(workingDirectory=${workingDirectory%/}; cd ${workingDirectory%/*}; echo "${PWD}/${workingDirectory##*/}")
  50   if [[ ! -d ${workingDirectory} ]]; then
  51     echo "working dir $workingDirectory does not exist and cannot be created"
  52     return 1
  53   fi
  54   cd ${workingDirectory}
  55
  56   echo JOB config:
  57   echo inputList=$inputList
  58   echo outputDirectory=$outputDirectory
  59   echo
  60
  61   dateString=$(date +%Y-%m-%d-%H-%M-%S-%N)
  62   echo "Start time QA process: $dateString"
  63
  64   #logging
  65   mkdir -p $logDirectory
  66   [[ ! -d $logDirectory ]] && echo "no log dir $logDirectory" && return 1
  67   logFile="$logDirectory/${0##*/}.${dateString}.log"
  68   touch ${logFile}
  69   [[ ! -f ${logFile} ]] && echo "cannot write logfile $logfile" && return 1
  70   echo "logFile = $logFile"
  71
  72   #check lock
  73   lockFile=${workingDirectory}/runQA.lock
  74   [[ -f ${lockFile} ]] && echo "lock ${lockFile} exists!" | tee ${logFile} && return 1
  75   touch ${lockFile}
  76   [[ ! -f ${lockFile} ]] && echo "cannot lock $lockFile" | tee ${logFile} && return 1
  77
  78   exec &>${logFile}
  79
  80   ################################################################
  81   #ze detector loop
  82   for detectorScript in $ALICE_ROOT/PWGPP/QA/detectorQAscripts/*; do
  83     echo
  84     echo "##############################################"
  85     echo $(date)
  86     unset planB
  87     [[ ! ${detectorScript} =~ .*\.sh$ ]] && continue
  88     detector=${detectorScript%.sh}
  89     detector=${detector##*/}
  90     #by default we expect the container in the QA root file to de named like
  91     #the detector
  92     detectorQAcontainerName=${detector}
  93
  94     #skip if excluded
  95     if [[ "${excludeDetectors}" =~ ${detector} ]]; then
  96       echo "${detector} is excluded in config, skipping..."
  97       continue
  98     fi
  99
 100     #if includeDetectors set, only process thoe detectors specified there
 101     if [[ -n ${includeDetectors} && ! "${includeDetectors}" =~ ${detector} ]]; then
 102       echo "${detector} not included in includeDetectors, skipping..."
 103       continue
 104     fi
 105
 106     logSummary=${logDirectory}/summary-${detector}-${dateString}.log
 107     hostInfo >> ${logSummary}
 108     outputDir=$(substituteDetectorName ${detector} ${outputDirectory})
 109     tmpDetectorRunDir=${workingDirectory}/tmpQAtmpRunDir${detector}-${dateString}
 110     if ! mkdir -p ${tmpDetectorRunDir}; then
 111       echo "cannot create the temp dir $tmpDetectorRunDir"
 112       continue
 113     fi
 114     cd ${tmpDetectorRunDir}
 115
 116     tmpPrefix=${tmpDetectorRunDir}/${outputDir}
 117     echo "running QA for ${detector}"
 118     echo "  outputDir=$outputDir"
 119     echo "  tmpPrefix=$tmpPrefix"
 120
 121     #unset the detector functions from previous iterations (detectors)
 122     unset -f runLevelQA
 123     unset -f periodLevelQA
 124     unset -f runLevelHighPtTreeQA
 125     unset -f periodLevelHighPtTreeQA
 126     source ${detectorScript}
 127
 128     #################################################################
 129     #produce the QA and trending tree for each file (run)
 130     unset arrOfTouchedProductions
 131     declare -A arrOfTouchedProductions
 132     while read qaFile; do
 133       echo
 134       echo $(date)
 135
 136       #first check if input file exists
 137       [[ ! -f ${qaFile%\#*} ]] && echo "file ${qaFile%\#*} not accessible" && continue
 138
 139       if ! guessRunData ${qaFile}; then
 140         echo "could not guess run data from ${qaFile}"
 141         continue
 142       fi
 143       echo "anchorYear for ${originalPeriod} is: ${anchorYear}"
 144
 145       tmpProductionDir=${tmpPrefix}/${dataType}/${year}/${period}/${pass}
 146       tmpRunDir=${tmpProductionDir}/000${runNumber}
 147       mkdir -p ${tmpRunDir}
 148       cd ${tmpRunDir}
 149
 150       #by default we expect to have everything in the same archive
 151       highPtTree=${qaFile}
 152
 153       #maybe the input is not an archive, but a file
 154       [[ "${qaFile}" =~ QAresults.root$ ]] && highPtTree=""
 155       [[ "${qaFile}" =~ FilterEvents_Trees.root$ ]] && qaFile=""
 156
 157       #it is possible we get the highPt trees from somewhere else
 158       #search the list of high pt trees for the proper run number
 159       if [[ -n ${inputListHighPtTrees} ]]; then
 160         highPtTree=$(egrep -m1 ${runNumber} ${inputListHighPtTrees})
 161         echo "loaded the highPtTree ${highPtTree} from external file ${inputListHighPtTrees}"
 162       fi
 163
 164       echo qaFile=$qaFile
 165       echo highPtTree=$highPtTree
 166       echo ocdbStorage=${ocdbStorage}
 167       echo
 168
 169       #what if we have a zip archive?
 170       if [[ "$qaFile" =~ .*.zip$ ]]; then
 171         if unzip -l ${qaFile} | egrep "QAresults.root" &>/dev/null; then
 172           qaFile="${qaFile}#QAresults.root"
 173         elif unzip -l ${qaFile} | egrep "QAresults_barrel.root" &>/dev/null; then
 174           qaFile="${qaFile}#QAresults_barrel.root"
 175         else
 176           qaFile=""
 177         fi
 178       fi
 179       if [[ "$highPtTree" =~ .*.zip$ ]]; then
 180         if unzip -l ${highPtTree} | egrep "FilterEvents_Trees.root" &>/dev/null; then
 181           highPtTree="${highPtTree}#FilterEvents_Trees.root"
 182         else
 183           highPtTree=""
 184         fi
 185       fi
 186
 187       if [[ -n ${qaFile} && $(type -t runLevelQA) =~ "function" ]]; then
 188         echo running ${detector} runLevelQA for run ${runNumber} from ${qaFile}
 189         runLevelQA "${qaFile}" &> runLevelQA.log
 190         #perform some default actions:
 191         #if trending.root not created, create a default one
 192         if [[ ! -f trending.root ]]; then
 193           aliroot -b -q -l "$ALICE_ROOT/PWGPP/macros/simpleTrending.C(\"${qaFile}\",${runNumber},\"${detectorQAcontainerName}\",\"trending.root\",\"trending\",\"recreate\")" 2>&1 | tee -a runLevelQA.log
 194         fi
 195         if [[ -f trending.root ]]; then
 196           #cache the touched production + an example file to guarantee consistent run data parsing
 197           arrOfTouchedProductions[${tmpProductionDir}]="${qaFile%\#*}"
 198         else
 199           echo "trending.root not created"
 200         fi
 201       fi
 202       #expert QA based on high pt trees
 203       if [[ -n ${highPtTree} && $(type -t runLevelHighPtTreeQA) =~ "function" ]]; then
 204         echo running ${detector} runLevelHighPtTreeQA for run ${runNumber} from ${highPtTree}
 205         runLevelHighPtTreeQA "${highPtTree}" &> runLevelHighPtTreeQA.log
 206         arrOfTouchedProductions[${tmpProductionDir}]=1
 207       fi
 208
 209       cd ${tmpDetectorRunDir}
 210
 211     done < ${inputList}
 212
 213     #################################################################
 214     #cache which productions were (re)done
 215     echo "list of processed productions:"
 216     echo "    ${!arrOfTouchedProductions[@]}"
 217     echo
 218
 219     #################################################################
 220     #(re)do the merging/trending
 221     for tmpProductionDir in ${!arrOfTouchedProductions[@]}; do
 222       cd ${tmpProductionDir}
 223       echo
 224       echo "running period level stuff in ${tmpProductionDir}"
 225       echo $(date)
 226
 227       productionDir=${outputDir}/${tmpProductionDir#${tmpPrefix}}
 228       echo productionDir=${outputDir}/${tmpProductionDir#${tmpPrefix}}
 229
 230       mkdir -p ${productionDir}
 231       if [[ ! -d ${productionDir} ]]; then
 232         echo "cannot make productionDir $productionDir" && continue
 233       fi
 234
 235       #move runs to final destination
 236       for dir in ${tmpProductionDir}/000*; do
 237         echo
 238         oldRunDir=${outputDir}/${dir#${tmpPrefix}}
 239         if ! guessRunData "${arrOfTouchedProductions[${tmpProductionDir}]}"; then
 240           echo "could not guess run data from ${dir}"
 241           continue
 242         fi
 243
 244         #before moving - VALIDATE!!!
 245         if ! validate ${dir}; then
 246           continue
 247         fi
 248
 249         #moving a dir is an atomic operation, no locking necessary
 250         if [[ -d ${oldRunDir} ]]; then
 251           echo "removing old ${oldRunDir}"
 252           rm -rf ${oldRunDir}
 253         fi
 254         echo "moving new ${runNumber} to ${productionDir}"
 255         mv -f ${dir} ${productionDir}
 256       done
 257
 258       #go to a temp dir to do the period level stuff in a completely clean dir
 259       tmpPeriodLevelQAdir="${tmpProductionDir}/periodLevelQA"
 260       echo
 261       echo tmpPeriodLevelQAdir="${tmpPeriodLevelQAdir}"
 262       if ! mkdir -p ${tmpPeriodLevelQAdir}; then continue; fi
 263       cd ${tmpPeriodLevelQAdir}
 264
 265       #link the final list of per-run dirs here, just the dirs
 266       #to have a clean working directory
 267       unset linkedStuff
 268       declare -a linkedStuff
 269       for x in ${productionDir}/000*; do [[ -d $x ]] && ln -s $x && linkedStuff+=(${x##*/}); done
 270
 271       #merge trending files if any
 272       if /bin/ls 000*/trending.root &>/dev/null; then
 273         hadd trending.root 000*/trending.root &> periodLevelQA.log
 274       fi
 275
 276       #run the period level trending/QA
 277       if [[ -f "trending.root" && $(type -t periodLevelQA) =~ "function" ]]; then
 278         echo running ${detector} periodLevelQA for production ${period}/${pass}
 279         periodLevelQA trending.root &>> periodLevelQA.log
 280       else
 281         echo "WARNING: not running ${detector} periodLevelQA for production ${period}/${pass}, no trending.root"
 282       fi
 283
 284       if ! validate ${PWD}; then continue; fi
 285
 286       #here we are validated so move the produced QA to the final place
 287       #clean up linked stuff first
 288       [[ -n ${linkedStuff[@]} ]] && rm ${linkedStuff[@]}
 289       periodLevelLock=${productionDir}/runQA.lock
 290       if [[ ! -f ${periodLevelLock} ]]; then
 291         #some of the output could be a directory, so handle that
 292         #TODO: maybe use rsync?
 293         #lock to avoid conflicts:
 294         echo "${HOSTNAME} ${dateString}" > ${periodLevelLock}
 295         for x in ${tmpPeriodLevelQAdir}/*; do
 296           if [[ -d ${x} ]]; then
 297             echo "removing ${productionDir}/${x##*/}"
 298             rm -rf ${productionDir}/${x##*/}
 299             echo "moving ${x} to ${productionDir}"
 300             mv ${x} ${productionDir}
 301           fi
 302           if [[ -f ${x} ]]; then
 303             echo "moving ${x} to ${productionDir}"
 304             mv -f ${x} ${productionDir}
 305           fi
 306         done
 307         rm -f ${periodLevelLock}
 308         #remove the temp dir
 309         rm -rf ${tmpPeriodLevelQAdir}
 310       else
 311         echo "ERROR: cannot move to destination"                     >> ${logSummary}
 312         echo "production dir ${productionDir} locked!"               >> ${logSummary}
 313         echo "check and maybe manually do:"                          >> ${logSummary}
 314         echo " rm ${periodLevelLock}"                                >> ${logSummary}
 315         echo " rsync -av ${tmpPeriodLevelQAdir}/ ${productionDir}/"  >> ${logSummary}
 316         planB=1
 317       fi
 318
 319     done
 320
 321     cd ${workingDirectory}
 322
 323     if [[ -z ${planB} ]]; then
 324       echo
 325       echo removing ${tmpDetectorRunDir}
 326       rm -rf ${tmpDetectorRunDir}
 327     else
 328       executePlanB
 329     fi
 330   done #end of detector loop
 331
 332   #remove lock
 333   rm -f ${lockFile}
 334   return 0
 335 }
 336
 337 executePlanB()
 338 {
 339   #in case of emergency
 340   #first check if we have the email of the detector expert defined,
 341   #if yes, append to the mailing list
 342   local mailTo=${MAILTO}
 343   local detExpertEmailVar="MAILTO_${detector}"
 344   [[ -n "${!detExpertEmailVar}" ]] && mailTo+=" ${!detExpertEmailVar}"
 345   if [[ -n ${mailTo} ]]; then
 346     echo
 347     echo "trouble detected, sending email to ${mailTo}"
 348     cat ${logSummary} | mail -s "${detector} QA in need of assistance" ${mailTo}
 349   fi
 350   return 0
 351 }
 352
 353 validate()
 354 {
 355   summarizeLogs ${1} >> ${logSummary}
 356   logStatus=$?
 357   if [[ ${logStatus} -ne 0 ]]; then
 358     echo "WARNING not validated: ${1}"
 359     planB=1
 360     return 1
 361   fi
 362   return 0
 363 }
 364
 365 summarizeLogs()
 366 {
 367   local dir=$1
 368   [[ ! -d ${dir} ]] && dir=${PWD}
 369
 370   #print a summary of logs
 371   logFiles=(
 372       "*.log"
 373       "stdout"
 374       "stderr"
 375   )
 376
 377   #check logs
 378   local logstatus=0
 379   for log in ${dir}/${logFiles[*]}; do
 380     [[ ! -f ${log} ]] && continue
 381     errorSummary=$(validateLog ${log})
 382     validationStatus=$?
 383     [[ validationStatus -ne 0 ]] && logstatus=1
 384     if [[ ${validationStatus} -eq 0 ]]; then
 385       #in pretend mode randomly report an error in rec.log some cases
 386       if [[ -n ${pretend} && "${log}" == "rec.log" ]]; then
 387         [[ $(( ${RANDOM}%2 )) -ge 1 ]] && echo "${log} BAD random error" || echo "${log} OK"
 388       else
 389         echo "${log} OK"
 390       fi
 391     elif [[ ${validationStatus} -eq 1 ]]; then
 392       echo "${log} BAD ${errorSummary}"
 393     elif [[ ${validationStatus} -eq 2 ]]; then
 394       echo "${log} OK MWAH ${errorSummary}"
 395     fi
 396   done
 397
 398   #report core files
 399   while read x; do
 400     echo ${x}
 401     chmod 644 ${x}
 402     gdb --batch --quiet -ex "bt" -ex "quit" aliroot ${x} > stacktrace_${x//\//_}.log
 403   done < <(/bin/ls ${PWD}/*/core 2>/dev/null; /bin/ls ${PWD}/core 2>/dev/null)
 404
 405   return ${logstatus}
 406 }
 407
 408 validateLog()
 409 {
 410   log=${1}
 411   errorConditions=(
 412             'There was a crash'
 413             'floating'
 414             'error while loading shared libraries'
 415             'std::bad_alloc'
 416             's_err_syswatch_'
 417             'Thread [0-9]* (Thread'
 418             'AliFatal'
 419             'core dumped'
 420             '\.C.*error:.*\.h: No such file'
 421             'segmentation'
 422             'Interpreter error recovered'
 423   )
 424
 425   warningConditions=(
 426             'This is serious'
 427   )
 428
 429   local logstatus=0
 430   local errorSummary=""
 431   local warningSummary=""
 432
 433   for ((i=0; i<${#errorConditions[@]};i++)); do
 434     local tmp=$(grep -m1 -e "${errorConditions[${i}]}" ${log})
 435     [[ -n ${tmp} ]] && tmp+=" : "
 436     errorSummary+=${tmp}
 437   done
 438
 439   for ((i=0; i<${#warningConditions[@]};i++)); do
 440     local tmp=$(grep -m1 -e "${warningConditions[${i}]}" ${log})
 441     [[ -n ${tmp} ]] && tmp+=" : "
 442     warningSummary+=${tmp}
 443   done
 444
 445   if [[ -n ${errorSummary} ]]; then
 446     echo "${errorSummary}"
 447     return 1
 448   fi
 449
 450   if [[ -n ${warningSummary} ]]; then
 451     echo "${warningSummary}"
 452     return 2
 453   fi
 454
 455   return 0
 456 }
 457
 458 parseConfig()
 459 {
 460   args=("$@")
 461
 462   #config file
 463   configFile=""
 464   #where to search for qa files
 465   inputList=file.list
 466   #working directory
 467   workingDirectory="${PWD}"
 468   #where to place the final qa plots
 469   #outputDirectory="/afs/cern.ch/work/a/aliqa%det/www/"
 470   outputDirectory="${workingDirectory}/%DET"
 471   #filter out detector option
 472   excludeDetectors="EXAMPLE"
 473   #logs
 474   logDirectory=${workingDirectory}/logs
 475   #OCDB storage
 476   ocdbStorage="raw://"
 477   #email to
 478   #MAILTO="fbellini@cern.ch"
 479
 480   #first, check if the config file is configured
 481   #is yes - source it so that other options can override it
 482   #if any
 483   for opt in "${args[@]}"; do
 484     if [[ ${opt} =~ configFile=.* ]]; then
 485       eval "${opt}"
 486       [[ ! -f ${configFile} ]] && echo "configFile ${configFile} not found, exiting..." && return 1
 487       echo "using config file: ${configFile}"
 488       source "${configFile}"
 489       break
 490     fi
 491   done
 492
 493   #then, parse the options as they override the options from file
 494   for opt in "${args[@]}"; do
 495     if [[ ! "${opt}" =~ .*=.* ]]; then
 496       echo "badly formatted option ${var}, should be: option=value, stopping..."
 497       return 1
 498     fi
 499     local var="${opt%%=*}"
 500     local value="${opt#*=}"
 501     echo "${var}=${value}"
 502     export ${var}="${value}"
 503   done
 504   return 0
 505 }
 506
 507 guessRunData()
 508 {
 509   #guess the period from the path, pick the rightmost one
 510   period=""
 511   runNumber=""
 512   year=""
 513   pass=""
 514   legoTrainRunNumber=""
 515   dataType=""
 516   originalPass=""
 517   originalPeriod=""
 518   anchorYear=""
 519
 520   shortRunNumber=""
 521   oldIFS=${IFS}
 522   local IFS="/"
 523   declare -a path=( $1 )
 524   IFS="${oldIFS}"
 525   local dirDepth=$(( ${#path[*]}-1 ))
 526   i=0
 527   for ((x=${dirDepth};x>=0;x--)); do
 528
 529     [[ $((x-1)) -ge 0 ]] && local fieldPrev=${path[$((x-1))]}
 530     local field=${path[${x}]}
 531     local fieldNext=${path[$((x+1))]}
 532
 533     [[ ${field} =~ ^[0-9]*$ && ${fieldNext} =~ (.*\.zip$|.*\.root$) ]] && legoTrainRunNumber=${field}
 534     [[ -n ${legoTrainRunNumber} && -z ${pass} ]] && pass=${fieldPrev}
 535     [[ ${field} =~ ^LHC[0-9][0-9][a-z].*$ ]] && period=${field%_*} && originalPeriod=${field}
 536     [[ ${field} =~ ^000[0-9][0-9][0-9][0-9][0-9][0-9]$ ]] && runNumber=${field#000}
 537     [[ ${field} =~ ^[0-9][0-9][0-9][0-9][0-9][0-9]$ ]] && shortRunNumber=${field}
 538     [[ ${field} =~ ^20[0-9][0-9]$ ]] && year=${field}
 539     [[ ${field} =~ ^(^sim$|^data$) ]] && dataType=${field}
 540     (( i++ ))
 541   done
 542   originalPass=${pass}
 543   [[ -n ${shortRunNumber} && "${legoTrainRunNumber}" =~ ${shortRunNumber} ]] && legoTrainRunNumber=""
 544   [[ -z ${legoTrainRunNumber} ]] && pass=${path[$((dirDepth-1))]}
 545   [[ "${dataType}" =~ ^sim$ ]] && pass="passMC" && runNumber=${shortRunNumber} && originalPass="" #for MC not from lego, the runnumber is identified as lego train number, thus needs to be nulled
 546   [[ -n ${legoTrainRunNumber} ]] && pass+="_lego${legoTrainRunNumber}"
 547
 548   #modify the OCDB: set the year
 549   if [[ ${dataType} =~ sim ]]; then
 550     anchorYear=$(run2year $runNumber)
 551     if [[ -z "${anchorYear}" ]]; then
 552       echo "WARNING: anchorYear not available for this production: ${originalPeriod}, runNumber: ${runNumber}. Cannot set the OCDB."
 553       return 1
 554     fi
 555     ocdbStorage=$(setYear ${anchorYear} ${ocdbStorage})
 556   else
 557     ocdbStorage=$(setYear ${year} ${ocdbStorage})
 558   fi
 559
 560   #if [[ -z ${dataType} || -z ${year} || -z ${period} || -z ${runNumber}} || -z ${pass} ]];
 561   if [[ -z ${runNumber} ]]
 562   then
 563     #error condition
 564     return 1
 565   fi
 566
 567   #ALL OK
 568   return 0
 569 }
 570
 571 run2year()
 572 {
 573   #for a given run print the year.
 574   #the run-year table is ${runMap} (a string)
 575   #defined in the config file
 576   #one line per year, format: year runMin runMax
 577   local run=$1
 578   [[ -z ${run} ]] && return 1
 579   local year=""
 580   local runMin=""
 581   local runMax=""
 582   while read year runMin runMax; do
 583     [[ -z ${year} || -z ${runMin} || -z ${runMax} ]] && continue
 584     [[ ${run} -ge ${runMin} && ${run} -le ${runMax} ]] && echo ${year} && break
 585   done < <(echo "${runMap}")
 586   return 0
 587 }
 588
 589 substituteDetectorName()
 590 {
 591   local det=$1
 592   local dir=$2
 593   [[ ${dir} =~ \%det ]] && det=${det,,} && echo ${dir/\%det/${det}}
 594   [[ ${dir} =~ \%DET ]] && det=${det} && echo ${dir/\%DET/${det}}
 595   return 0
 596 }
 597
 598 get_realpath()
 599 {
 600   if [[ -f "$1" ]]
 601   then
 602     # file *must* exist
 603     if cd "$(echo "${1%/*}")" &>/dev/null
 604     then
 605       # file *may* not be local
 606       # exception is ./file.ext
 607       # try 'cd .; cd -;' *works!*
 608       local tmppwd="$PWD"
 609       cd - &>/dev/null
 610     else
 611       # file *must* be local
 612       local tmppwd="$PWD"
 613     fi
 614   else
 615     # file *cannot* exist
 616     return 1 # failure
 617   fi
 618   # reassemble realpath
 619   echo "$tmppwd"/"${1##*/}"
 620   return 0 # success
 621 }
 622
 623 setYear()
 624 {
 625   #set the year
 626   #  ${1} - year to be set
 627   #  ${2} - where to set the year
 628   local year1=$(guessYear ${1})
 629   local year2=$(guessYear ${2})
 630   local path=${2}
 631   [[ ${year1} -ne ${year2} && -n ${year2} && -n ${year1} ]] && path=${2/\/${year2}\//\/${year1}\/}
 632   echo ${path}
 633   return 0
 634 }
 635
 636 guessYear()
 637 {
 638   #guess the year from the path, pick the rightmost one
 639   local IFS="/"
 640   declare -a pathArray=( ${1} )
 641   local field
 642   local year
 643   for field in ${pathArray[@]}; do
 644     [[ ${field} =~ ^20[0-9][0-9]$ ]] && year=${field}
 645   done
 646   echo ${year}
 647   return 0
 648 }
 649
 650 hostInfo(){
 651 #
 652 # Hallo world -  Print AliRoot/Root/Alien system info
 653 #
 654
 655 #
 656 # HOST info
 657 #
 658     echo --------------------------------------
 659         echo
 660         echo HOSTINFO
 661         echo
 662         echo HOSTINFO HOSTNAME"      "$HOSTNAME
 663         echo HOSTINFO DATE"          "`date`
 664         echo HOSTINFO gccpath"       "`which gcc`
 665         echo HOSTINFO gcc version"   "`gcc --version | grep gcc`
 666         echo --------------------------------------
 667
 668 #
 669 # ROOT info
 670 #
 671         echo --------------------------------------
 672         echo
 673         echo ROOTINFO
 674         echo
 675         echo ROOTINFO ROOT"           "`which root`
 676         echo ROOTINFO VERSION"        "`root-config --version`
 677         echo
 678         echo --------------------------------------
 679
 680
 681 #
 682 # ALIROOT info
 683 #
 684         echo --------------------------------------
 685         echo
 686         echo ALIROOTINFO
 687         echo
 688         echo ALIROOTINFO ALIROOT"        "`which aliroot`
 689         echo ALIROOTINFO VERSION"        "`echo $ALICE_LEVEL`
 690         echo ALIROOTINFO TARGET"         "`echo $ALICE_TARGET`
 691         echo
 692         echo --------------------------------------
 693
 694 #
 695 # Alien info
 696 #
 697 #echo --------------------------------------
 698 #echo
 699 #echo ALIENINFO
 700 #for a in `alien --printenv`; do echo ALIENINFO $a; done
 701 #echo
 702 #echo --------------------------------------
 703
 704 #
 705 # Local Info
 706 #
 707         echo PWD `pwd`
 708         echo Dir
 709         ls -al
 710         echo
 711         echo
 712         echo
 713
 714   return 0
 715 }
 716
 717 main "$@"