Find images with specific dimension using Linux command line.

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

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

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 encoding of file from Big5 to UTF-8, remove DOS newline in file, replace string big5 with UTF-8, and append UNIX newline to end of file.

Make reStructuredText links of the same name anonymous via regular expression by sed stream editor.

Replace footnote in reStructuredText format via regular expression by sed stream editor.

Insert a line after first pattern match via sed stream editor.

Append text at the beginning of each line via sed stream editor.

Convert Traditional Chinese PO file to Simplified Chinese via OpenCC and sed in Makefile.

Concatenate and Minify CSS via sed and tr command in Makefile.

Use xgettext (one of GNU gettext utilities) to extract translatable strings from HTML templates of Go html/template.

i18n (Internationalization) Go web applications by GNU gettext tools and html/template. Use PO and MO files generated by gettext in Golang web application to render HTML of specific languages by html/template.

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

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