UNIX for Dummies Questions & Answers

#!/bin/sh

# @(#) s1       Demonstrate regular expressions in find.

echo " sh version: $BASH_VERSION"

# Destroy and re-create directory structure.

DIRS="a sol sol/b sol/b/sol sol/sol"
rm -rf $DIRS
mkdir $DIRS

i=1
for d in $DIRS
do
  touch $d/t${i}.so
  (( i += 1))
done

echo
echo " Small tree showing files *.so in directories."
tree .

echo
echo " Results from find using regular expression predicate regex:"
find . -regex '.*/sol/[^/]*so'

exit 0

% ./s1
 sh version: 2.05b.0(1)-release

 Small tree showing files *.so in directories.
.
a
/     t1.so
readme.txt
s1
sol
/     b
/     /     sol
/     /     /     t4.so
/     /     t3.so
/     sol
/     /     t5.so
/     t2.so

 Results from find using regular expression predicate regex:
./sol/b/sol/t4.so
./sol/sol/t5.so
./sol/t2.so