Recursively find files with a specific extension

My preference:

find . -name '*.jpg' -o -name '*.png' -print | grep Robert

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Using find's -regex argument:

find . -regex '.*/Robert\.\(h\|cpp\)$'

Or just using -name:

find . -name 'Robert.*' -a \( -name '*.cpp' -o -name '*.h' \)

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find -name "*Robert*" \( -name "*.pdf" -o -name "*.jpg" \)

The -o repreents an OR condition and you can add as many as you wish within the braces. So this says to find all files containing the word "Robert" anywhere in their names and whose names end in either "pdf" or "jpg".

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As an alternative to using -regex option on find, since the question is labeled bash, you can use the brace expansion mechanism:

eval find . -false "-o -name Robert".{jpg,pdf}

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This q/a shows how to use find with regular expression: How to use regex with find command?

Pattern could be something like

'^Robert\\.\\(h|cgg\\)$'

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As a script you can use:

find "${2:-.}" -iregex ".*${1:-Robert}\.\(h\|cpp\)$" -print

save it as findcc

chmod 755 findcc

and use it as

findcc [name] [[search_direcory]]

e.g.

findcc                 # default name 'Robert' and directory .
findcc Joe             # default directory '.'
findcc Joe /somewhere  # no defaults

note you cant use

findcc /some/where    #eg without the name...

also as alternative, you can use

find "$1" -print | grep "$@" 

and

findcc directory grep_options

like

findcc . -P '/Robert\.(h|cpp)$'

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Using bash globbing (if find is not a must)

ls Robert.{pdf,jpg} 

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Recurisvely with ls: (-al for include hidden folders)

ftype="jpg"
ls -1R *.${ftype}  2> /dev/null

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For finding the files in system using the files database:

locate -e --regex "\.(h|cpp)$"

Make sure locate package is installed i.e. mlocate

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