Update modification time of photo/video according to EXIF data using command line.

Find images with specific dimension using Linux command line.

List .go source files excluding _test.go files via find and grep command in bash.

Replace specific pattern of strings in HTML files under directory via sed.

Replace specific pattern of strings in HTML files under directory via sed.

Concatenate and minify JavaScript files via Bash script, curl, and online Google Closure Compiler.

Find redundant files saved by Chrome browser via Bash script.

Use find command to find all files with specific name and delete them in one line of command.

Use find command to find all HTML files in a directory, but exclude the HTML files in some sub-directory.

Run wkhtmltopdf on Travis CI, which convert HTML files with chinese characters to PDF.

Convert HTML files in directory to PDF recursively via wkhtmltopdf and Bash script.

Remove execute(x) permission of files in directory recursively via chmod command and Bash script.

Convert the format (Big5 encoding to UTF-8, remove DOS newline in file, replace string big5 with UTF-8, and append UNIX newline to end of file) of HTML files in directory via Bash script.

Convert the name of files in directory to lowercase via Bash script.

Convert all files in a directory recursively (i.e., including subdirectories of the directory) from Big5 encoding to UTF-8 via iconv command.

Support multiple languages in your (web) applications, by GNU gettext tools, which include xgettext, msginit, msgmerge, and msgfmt.

Use regular expression in Python to search and find strings marked for i18n (Internationalization)

List all files in a directory recursively (i.e., including subdirectories of the directory), and use sed to rename the files.