Convert file contents to lowercase and store result in same file
122568
Can I read and write to the same file in Linux without overwriting it?
16814
sed - replace string with file contents
112963
Replace pattern each time with a different string (taken from external file)
5512
How do I do a case-insensitive string comparison?
36808
Keep lowercase in biblatex
43396
Modify the content of specific line in text file
27906
Converting strings to lowercase
78070
Turn a string into a valid filename?
145069
Rows to column conversion of file
2238
Looping through files with spaces in the names?
155399
regex implementation to replace group with its lowercase version
117355
How can I convert a string to upper- or lower-case with XSLT?
15892
How do I add zero padding to filenames that already have numbers in them?
57363
Is there a convenient way to classify files as "binary" or "text"?
3662
How can I replace a string in a file(s)?
66099
How to keep overwriting the contents of a file instead of appending to it
136990
How do I reverse the text in a file / stream in UNIX / Cygwin?