postgresql/src/tools/make_etags

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#!/bin/sh
# src/tools/make_etags
command -v etags >/dev/null || \
{ echo "'etags' program not found" 1>&2; exit 1; }
rm -f ./TAGS
find `pwd`/ -type f -name '*.[chyl]' -print |
xargs etags --append -o TAGS
find . \( -name CVS -prune \) -o \( -name .git -prune \) -o -type d -print |
while read DIR
do [ "$DIR" != "." ] && ln -f -s `pwd`/TAGS "$DIR"
done