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|
#!/bin/bash
if ! type -path swish-e > /dev/null 2>&1; then
cat<<EOF
This program requires that the 'swish-e' full-text indexer be installed.
On Debian and Ubuntu systems, you may install it by running
sudo apt-get install swish-e
On Ubuntu systems, this requires that the "universe" repository be enabled.
EOF
exit 2
fi
case "$0" in
*/*) MYDIR="${0%/*}" ;;
*) MYDIR="`type -path $0`"; MYDIR="${MYDIR%/*}"
esac
SRCDIR=$(cd "$MYDIR/../src"; pwd)
SWISHINDEX="$SRCDIR/.swishindex"
function makerelative () {
python -c '
import os, sys
here = os.getcwd()
parents = [here + "/"]
while 1:
next = os.path.dirname(here)
if next == here: break
parents.append(next + "/")
here = next
for file in sys.stdin.read().split("\0"):
for i in range(len(parents)):
p = parents[i]
if file.startswith(p):
file1 = os.path.join("../" * i, file[len(p):])
if len(file1) < len(file): file = file1
sys.stdout.write(file + "\0")
'
}
usage () {
b=${0##*/}
cat<<EOF
$b: Search emc2 source code and documentation
Usage:
$b [-R] [-F file-re] swish-pattern [grep-pattern]
-R: Rebuild the index. This is equivalent to running 'make swish'
in the source directory
-F: Specify a subset of files to search. This is an extended regular
expression, not a shell glob. To search all ".c" files, use
$b -F '\.c$' ...
swish-pattern: Specify the pattern to pass to 'swish -w'. See
"man SWISH-RUN" for more information
grep-pattern: Specify the pattern to pass to 'grep'. Each file listed
by swish is grepped for this pattern, and matching lines are
printed. By default, $b attempts to turn swish-pattern into
a grep-pattern, but this only works if swish-pattern is a simple
word. For more information about grep patterns, see 'man egrep'
EOF
exit 1
}
FORCEREBUILD=""
while getopts "hRF:" opt
do
case "$opt" in
R) FORCEREBUILD=1 ;;
F) FILEFILTER="egrep -z -e $OPTARG" ;;
h|?) usage ;;
esac
done
shift $(($OPTIND-1))
if [ "$FORCEREBUILD" -o ! -f "$SWISHINDEX" ]
then
make -C "$SRCDIR" swish || exit $?
if [ $# -eq 0 ]; then exit 0; fi
fi
PAT="$1"; shift
if [ $# -eq 0 ]; then
REGEXP="${PAT%%\*}"
else
REGEXP="$1"
fi
if ! [ -z "$FILEFILTER" ]; then
swish-e -f $SWISHINDEX -H0 -x '<swishdocpath>\0' -w "$PAT" \
| $FILEFILTER | makerelative \
| xargs -0 egrep -Hnis -e "$REGEXP"
else
swish-e -f $SWISHINDEX -H0 -x '<swishdocpath>\0' -w "$PAT" \
| makerelative \
| xargs -0 egrep -Hnis -e "$REGEXP"
fi
|
