Remove lines if the first character is "|"

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Hi all. I want to use sed to remove a word that ends with "!" in the first page of a file. The word I want to remove is: "DNA!". I have search for an answer and nothing of what I found helped me. ~faizlo

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Hi There, I have one requirement to remove word after character "/". Input file is 2017-07-12|02|user1l|domain1/userl|0 2017-07-12|02|user2|domain1/user2|5 2017-07-12|02|user3|domain2/user3|0 2017-07-12|02|user4|domain1/user4|432 and require OP file is ...

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Grep : Filter/Move All The Lines Containing Not More Than One "X" Character Into A Text File

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Command Character size limit in the "sh" and "bourne" shell

Hi!!.. I would like to know what is maximum character size for a command in the "sh" or "bourne" shell? Thanks in advance.. Roshan.

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Command Character size limit in the "sh" and "bourne" shell

Hi!!.. I would like to know what is maximum character size for a command in the "sh" or "bourne" shell? Thanks in advance.. Roshan.

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Command Character size limit in the "sh" and "bourne" shell

Hi!!.. I would like to know what is maximum character size for a command in the "sh" or "bourne" shell? Thanks in advance.. Roshan.

UNIX for Advanced & Expert Users