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Don't use random file in mk-mext. Quote file names. Remove tmp dir.

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This commit is contained in:
Daniel Nichter
2012-02-02 08:44:38 -07:00
parent 4e69f68fc8
commit e64f23a2e3
1 changed files with 16 additions and 18 deletions
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34
bin/pt-mext
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@@ -26,9 +26,6 @@ fi
# See https://launchpad.net/percona-toolkit for more information.
# ###########################################################################
# pt-mext isn't ready for this yet
#set -u
TMPDIR=""
mk_tmpdir() {
@@ -60,10 +57,9 @@ rm_tmpdir() {
mk_tmpdir
FILE=`mktemp -p $TMPDIR mext_temp_file.XXXXXX`;
FILE="$TMPDIR/mext_temp_file";
NUM=0;
REL=0;
rm -f $FILE*;
# Command-line parsing.
args=`getopt -u -n mext r "$@"`;
@@ -88,15 +84,15 @@ $@ | grep -v '+' | grep -v Variable_name | sed 's/|//g' \
| while read line; do
if [ "$line" = "" ]; then
NUM=`expr $NUM + 1`;
echo "" > $FILE$NUM;
echo "" > "$FILE$NUM"
fi
echo "$line" >> $FILE$NUM;
echo "$line" >> "$FILE$NUM"
done
# Count how many files there are and prepare to format the output
SPEC="%-33s %13d"
AWKS=""
NUM=`ls $FILE* | wc -l`;
NUM=`ls "$FILE"* | wc -l`;
# The last file will be empty...
NUM=`expr $NUM - 3`;
@@ -106,19 +102,19 @@ for i in `seq 0 $NUM`; do
NEXTFILE=`expr $i + 1`;
# Sort each file and eliminate empty lines, so 'join' doesn't complain.
sort $FILE$i | grep . > $FILE$i.tmp;
mv $FILE$i.tmp $FILE$i;
sort $FILE${NEXTFILE} | grep . > $FILE${NEXTFILE}.tmp;
mv $FILE${NEXTFILE}.tmp $FILE${NEXTFILE};
sort "$FILE$i" | grep . > "$FILE$i.tmp"
mv "$FILE$i.tmp" "$FILE$i"
sort "$FILE${NEXTFILE}" | grep . > "$FILE${NEXTFILE}.tmp"
mv "$FILE${NEXTFILE}.tmp" "$FILE${NEXTFILE}"
# Join the files together. This gets slow O(n^2) as we add more files, but
# this really shouldn't be performance critical.
join $FILE$i $FILE${NEXTFILE} | grep . > $FILE;
join "$FILE$i" "$FILE${NEXTFILE}" | grep . > "$FILE"
# Find the max length of the [numeric only] values in the file so we know how
# wide to make the columns
MAXLEN=`awk '{print $2}' $FILE${NEXTFILE} | grep -v '[^0-9]' | awk '{print length($1)}' | sort -rn | head -n1`
mv $FILE $FILE${NEXTFILE};
MAXLEN=`awk '{print $2}' "$FILE${NEXTFILE}" | grep -v '[^0-9]' | awk '{print length($1)}' | sort -rn | head -n1`
mv "$FILE" "$FILE${NEXTFILE}"
SPEC="$SPEC %${MAXLEN}d";
if [ "$REL" = "1" ]; then
AWKS="$AWKS, \$`expr $i + 3` - \$`expr $i + 2`";
@@ -129,10 +125,12 @@ done
# Print output
AWKCMD="printf(\"$SPEC\n\", \$1, \$2$AWKS);";
awk "{$AWKCMD}" $FILE`expr $NUM + 1`;
awk "{$AWKCMD}" "$FILE`expr $NUM + 1`"
# Remove all temporary files.
rm -f $FILE*;
# Remove all temporary files and the tmp dir.
rm_tmpdir
exit 0
# ############################################################################
# Documentation