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|
#!/bin/sh
EXE=AWK
N=1
FILE=-
DOHEAD=0
DORDB=0
XHEAD=""
SEP=" "
# process args
while [ x"$1" != x ]; do
case $1 in
-c) shift
COLS=$1
shift
continue;;
-help|--help)
echo "usage:"
echo " "
echo " funtbl [switches] input_file"
echo " funtbl [switches] < input_file"
echo " "
echo "switches (optional):"
echo " "
echo " -c \"col1 ...\" # output columns numbers (def: all)"
echo " -h # prepend column names as a header"
echo " -H prefix # prepend prefix and column names"
echo " -n num # extract the nth data table (def: 1)"
echo " -p prog # awk program (def: host-specific)"
echo " -s sep # output separator (def: space)"
echo " -T # output rdb table format"
echo " "
echo " -help # print this message"
echo " "
echo "examples:"
echo " "
echo " funcnts -rs ... | funtbl -c \"1 3\" -n 4 -s \"\t\""
echo " funtbl -c \"1 3\" -n 4 -h -s \"\t\" foo.out"
echo " funtbl -c \"1 3\" -n 4 -T foo.out"
echo " "
echo "All 3 will output the first and third columns of the fourth"
echo "table, with the columns separated by a tab. The second form"
echo "will output a single line header of column names. The third"
echo "form will output 2-line rdb header."
echo " "
exit 0;;
-h) DOHEAD=1
XHEAD="# "
shift
continue;;
-H) DOHEAD=1
shift
XHEAD=$1
shift
continue;;
-n) shift
N=$1
shift
continue;;
-p) shift
EXE=$1
shift
continue;;
-s) shift
SEP=$1
shift
continue;;
-T) DORDB=1
DOHEAD=1
SEP="\t"
shift
continue;;
*) FILE=$1
shift
continue;;
esac
done
cat $FILE | \
$EXE '
BEGIN{
I=0
STATE=0
N='"$N"'
COLS="'"$COLS"'"
DOHEAD='"$DOHEAD"'
DORDB='"$DORDB"'
SEP="'"$SEP"'"
XHEAD="'"$XHEAD"'"
if( COLS == "" ){
NCOL=0
}
else{
NCOL=split(COLS,COLNAMES);
}
}
# state 0: looking for nth header
STATE==0{
last = cur
cur = $0
dashes=0
for(j=1; j<=NF; j++){
if( $j ~ /--*/ ){
dashes++;
}
else{
break;
}
}
if( (dashes >= 1) && (dashes == NF) ){
I=I+1
if( I==N ){
STATE=1
LINES=0
if( DOHEAD == 1 ){
split(last, HEADER)
split($0, DASHES)
}
}
}
}
# look for blank line to end row output
$0 ~ /^$/{
if( STATE == 1 ){
STATE=2
}
}
# state 1: output this line of data
STATE==1{
# output header, if necessary
if( LINES == 0 ){
if( DOHEAD == 1 ){
# output as comment if not rdb
if( DORDB != 1 ){
printf("%s", XHEAD)
}
# specific columns
if( COLS == "" ){
for(i=1; i<=NF; i++){
printf("%s", HEADER[i])
if( i != NF )
printf("%s", SEP)
}
printf("\n")
if( DORDB == 1 ){
for(i=1; i<=NF; i++){
printf("%s", DASHES[i])
if( i != NF )
printf("%s", SEP)
}
printf("\n")
}
}
# all columns
else{
for(i=1; i<=NCOL; i++){
printf("%s", HEADER[COLNAMES[i]])
if( i != NCOL ){
printf("%s", SEP)
}
}
printf("\n")
if( DORDB == 1 ){
for(i=1; i<=NCOL; i++){
printf("%s", DASHES[COLNAMES[i]])
if( i != NCOL ){
printf("%s", SEP)
}
}
printf("\n")
}
}
}
}
else{
if( COLS == "" ){
for(i=1; i<=NF; i++){
printf("%s", $i)
if( i != NF )
printf("%s", SEP)
}
printf("\n")
}
else{
split($0, ARGS)
for(i=1; i<=NCOL; i++){
printf("%s", ARGS[COLNAMES[i]])
if( i != NCOL )
printf("%s", SEP)
}
printf("\n")
}
}
LINES=LINES+1
}
'
|
