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Full Discussion: More sed/awk help
Top Forums Shell Programming and Scripting More sed/awk help Post 302434924 by J-Man on Tuesday 6th of July 2010 12:11:34 AM
Old 07-06-2010
Ok so I wrote a function to fix up the XML

Code:
function scanInsertUD
{
#set -x
CTM_FILE=$1
TMP_FILE=/tmp/ud.$$

# Reformat XML file
# Remove developer added user daily
sed 's/TABLE_USERDAILY=".*"//g' ${CTM_FILE} > ${CTM_FILE}.tmp
mv ${CTM_FILE}.tmp ${CTM_FILE}
# Merge SCHED_GROUP XML node
#awk '/<SCHED_GROUP/{p=1}/>/{p=0} {printf $0} !p{print ""}' ${CTM_FILE} > ${CTM_FILE}.tmp
#mv ${CTM_FILE}.tmp ${CTM_FILE}

# Scan all possible tables that dont have a UD
grep "<SCHED_TABLE" ${CTM_FILE} | grep "TABLE_NAME" | sed -e 's/.*TABLE_NAME="//' | awk '{print $1}' > $TMP_FILE
grep "<SCHED_GROUP" ${CTM_FILE} | grep "TABLE_NAME" | sed -e 's/.*TABLE_NAME="//' | awk '{print $1}' >> $TMP_FILE

# Populates tmp file with BPR-PP-CCR"
cat ${TMP_FILE} | while read LINE
do
   # Prefix with TABLE_NAME="
   set -A TABLE_ARRAY ${TABLE_ARRAY[*]} "TABLE_NAME=\""$LINE
done
rm -f ${TMP_FILE} > /dev/null

((COUNT=0))
while (( ${COUNT} < ${#TABLE_ARRAY[*]} ))
do
   TABLE=$(echo ${TABLE_ARRAY[${COUNT}]})
   BDU=$(echo ${TABLE_ARRAY[${COUNT}]} | cut -d= -f2 | cut -d\" -f2)
   USR_DLY=$(grep $BDU ${etcbase:?}/userdaily.conf | cut -d: -f2)
   
   if [[ "${USR_DLY}" != "" ]]; then
      sed -e \
         's/\(<SCHED_TABLE \)\(.*'${TABLE}'\)/\1TABLE_USERDAILY="'${USR_DLY}'" \2/' -e \
         's/\(<SCHED_GROUP \)\(.*'${TABLE}'\)/\1TABLE_USERDAILY="'${USR_DLY}'" \2/' \
         < ${CTM_FILE} > ${CTM_FILE}.tmp
      mv ${CTM_FILE}.tmp ${CTM_FILE}

   fi
   
   ((COUNT=${COUNT}+1))
done

}

All the sed commands are fine. But when I added the awk line above (at line 10) It merges the lines, but additionally it drops % signs. So %% in the XML becomes %

Example
Code:
CMDLINE="rm %%L_BILL_EC_FP_AFT_SA/%%L_BILL_EC_FP_PAT_SA_TRG"

becomes after awk
CMDLINE="rm %L_BILL_EC_FP_AFT_SA/%L_BILL_EC_FP_PAT_SA_TRG"



---------- Post updated at 06:32 PM ---------- Previous update was at 06:13 PM ----------

I was thinking of using sed to stick it back in

Code:
sed 's/%/%%/g' infile

But I'm not sure if thats the best approach, since I don't know if anyone might have used a single % for another reason.

---------- Post updated at 11:11 PM ---------- Previous update was at 06:32 PM ----------

Note to anyone reading this for info

I wanted to remove one of my XML properties with this command

Code:
sed 's/TABLE_USERDAILY=".*"//g'

It would take

Code:
<SCHED_TABLE TABLE_USERDAILY="UTC" DATACENTER="ctmwk05" TABLE_NAME="BPR-PP-CCR" USED_BY_CODE="0">

And make it
<SCHED_TABLE >

When the intention was
<SCHED_TABLE DATACENTER="ctmwk05" TABLE_NAME="BPR-PP-CCR" USED_BY_CODE="0">

Deleting everything from the first quote to the very last quote "

The proper command, you have to ignore spaces in the pattern.

Code:
sed 's/TABLE_USERDAILY="[^ ]*"//g'


As for the other issue of

Code:
awk '/<SCHED_GROUP/{p=1}/>/{p=0} {printf $0} !p{print ""}' infile

Because printf sees % as a special variable

Code:
 printf
            Requires the following syntax:

            printf Format [ , ExpressionList ] [ Redirection ] [ Expression ]

            The printf statement writes to standard output the expressions specified by the ExpressionList parameter in the
            format specified by the Format parameter. The printf statement functions exactly like the printf command,
            except for the c conversion specification (%c). The Redirection and Expression parameters function the same as
            in the print statement.

Im not sure if I can find a sed command to do the same thing. But for now after I run awk I'm using sed to change % back to %%
 

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