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How to replace a comma in a SED file?
I want to replace every comma not enclosed in a pair of double quotes with ‘|’ using awk pattern matching within sed. sed ‘2s/33,MIS/33|MIS|/’ file. If your comma are ALWAY followed by a space in text strings, and NEVER in field separation, you could use:
How to parse a comma-delimited stream editor?
(Technically, the field separator is only the comma while the fields are surrounded by “double quotes”, but the net effect is that fields are separated by quote-comma-quote, with quote characters added to the beginning and end of each record.) Search your datafile first to make sure that your character appears nowhere in it!
When do you use space after a comma?
If your comma are ALWAY followed by a space in text strings, and NEVER in field separation, you could use: but you have to be sure about next character. More elaborated sample, whithout need of space, closest to your original idea.
When to use sed in a data file?
Sed (or awk or perl) should be used to validate the integrity of the data file before you attempt to alter it or extract particular fields from the file. After ensuring that each line has a valid number of fields, use sed to locate and modify individual fields, using the \\ (…\\) grouping command where needed.
Is it possible to escape a single quote in SED?
It’s hard to escape a single quote within single quotes. Try this: Escaping a double quote can absolutely be necessary in sed: for instance, if you are using double quotes in the entire sed expression (as you need to do when you want to use a shell variable).
How many commas are there in a double quote?
There a n number of numbers present within the double quotes separated by commas. And also leave the double quotes which contains characters as it is. I love sed text processing tool.
How to remove quotes from a tweet using SED?
I am tracking some keywords on Twitter using the command below. I want to print just the “screen_name” property of the tweet author. I could get the command below working but want to remove “quotes” from the author screen_name. How could I do this? Why use sed? Right tool for the right job.