Category "sed"

How do i replace [] brackets using SED

I have a string that i am want to remove punctuation from. I started with sed 's/[[:punct:]]/ /g' But i had problems on HP-UX not liking that all the time

Use a variable's value in a sed command [duplicate]

I can't seem to use a variable in a sed command, for example: sed "24s/.*/"$ct_tname"/" file1.sas > file2.sas I want $ct_tname the varia

Removing leading, trailing and multiple spaces within a string

I would like to remove all leading and trailing spaces. As well as replace multiple spaces with a single space within a string, so that all words in a string ar

How to convert YYYYMMDDHHMMSS to a date readable by `date`

I have a set of date/time strings in the YYYYMMDDHHMMSS format that I want to convert to something readable by the date utility. Usually, I can do something li