I\'m trying to search a large file in reverse ord开发者_Go百科er from the command line (using terminal). I found the tac command: http://clifgriffin.com/2008/11/25/tac-and-reverse-grep/
With most Unix shells, we can use the powers of pipe and the cat command to concatenate non-text data like the following example:
I want to concatenate two or more files depending if there names contain or not elements from an array.
Is there any way to tell the cat command to stop reading when not receiving any data? maybe with some \"timeout\" that specifies for how long no dat开发者_如何转开发a is incoming.
hey i wana p开发者_如何学编程reparefor various basic commands for unix so for that i need this ans.
I need to merge a bunch of mp3 files together. I know that simply doing cat file1.mp3 >> file2.mp3
I have a bash+expect script which has to connect via ssh to the remote comp (and i can\'t use ssh keys, need password identification in here), read th开发者_StackOverflow中文版e file there, find speci
I have around 3-4 million files in开发者_Go百科 a directory filename ending with, say type1.txt, type2.txt. (file are 1type1.txt, 1type2.txt,2type2.txt,2type2.txt etc )
I\'m trying to execute a command for each line coming from a cat command. I\'m basing 开发者_Go百科this on sample code I got from a vendor.
I am looking for a tool to read several FIFOs at once (probably using select(2)) and output what is read, closing the stream when all the FIFOs are closed. To be more precise, the program would behave
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