Remove Duplicate Consecutive Lines Awk

Is there way to delete duplicate lines in a file in Unix? I can do it with sort -u and uniq commands. but I want to use sed or awk. Is that possible?

Hello, I'm trying to remove the duplicate consecutive lines with specific. awk 'NR ==1{print;last=$0;next} ($0 != last){print} {last=$0}' Input_file.

Remove duplicates values within a field. How to remove duplicate lines with awk whilst keeping. Delete consecutive lines in CSV with duplicate values in one.

unix – Remove newline from end of file – Stack Overflow – I want to remove newline n only from end of the file in unix e.g. abc def ghi output should be abc def ghi In the end of file there should not be a.

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Remove duplicate consecutive fields or lines. Remove the duplicate lines from the above file for which the. – Remove duplicate blank lines using awk in.

Below awk command removes all duplicate lines as explained here: awk '!seen[$0]++' If the text contains empty lines, all but one empty line will be deleted. How can I.

—– USEFUL ONE-LINE SCRIPTS FOR SED (Unix stream editor) Dec. 29, 2005 Compiled by Eric. delete duplicate, consecutive lines. awk, 2nd Edition," by.

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Is there way to delete duplicate lines in a file in Unix? I can do it with sort -u and uniq commands. but I want to use sed or awk. Is that possible?

delete duplicate, consecutive lines from a file (emulates "uniq"). that it's ed's cousin! ed, sed, grep, more/less, even awk and vi/m – the core.

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Using UNIX tools such as sed (string editor) and awk (named after Aho, Weinberg and Kernigan) are indispensible skills for the Oracle professional on UNIX and Linux.

Split up the lines of the file file.txt with ":" (colon) separated fields and print the second field ($2) of each line: awk. Remove duplicate consecutive lines (uniq):.