find

# find files and exec command per file (slow)
find . -exec ls -l {} +

# find files and exec command for all files (fast)
find . | xargs -I{} ls -l {}

# exclude paths using -not operator
# exclude directories.
find . -name "*docs*" -not -path '*.git/*'

# exclude files without extensions.
find . -not -name "*.**" -not -path '*.git/*' -type f

# exclude paths using -prune option.
# excludes both *.git* dir & files [-name '*.git*' -prune]
find . -name '*.git*' -prune -o -name '*docs*'

# excludes *.git* dir [-type d -name '*.git*' -prune]
find . -type d -name '*.git*' -prune -o -name '*docs*'

# excludes *.git* files [-type f -name '*.git*' -prune]
find . -type f -name '*.git*' -prune -o -name '*docs*'

find . -type d -empty -delete

find . -type f -perm /+x

# find using -regex option
# use regex file patterns with exclude and include paths
# unescaped regex string '.*\/.*\.([ch]pp|c|cc|h|hh|py|pyx)$'
find . -path "./<exclude-dir>/*" -prune -o -path "./<include-dir>/*" \
  -regex '.*/.*\.\([ch]pp\|c\|cc\|h\|hh\|py\|pyx\)$' -type f -print

# find all files in project for use with ctags and cscope.
find $PROJ_SRC_DIRS \( \
-iname '*.[chyl]' \
-o -iname '*.pyx' \
-o -iname '*.py' \
-o -iname '*.[ch]pp' \
-o -iname '*.semla' \
\) \
-not \( \
-iname "moc_*.h" \
-o -iname "moc_*.cpp" \
-o -iname "ui_*.h" \
-o -path "*.tox*" \
-o -path "*pl2py3v*" \
-o -path "*plapi*.c" \
-o -path "*include/pl_configvalues*.h" \
  -o -path "*include/pl_sysdiagdefs.h" \
  -o -path "*include/pl_sysdiagenums.h" \
  -o -path "*build/*" \
\) \
-a -type f -printf "%P\n" >$PROJ_SRC_FILE_LIST