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[[Category:Linux]] |
Latest revision as of 21:19, 19 February 2005
You may ask yourself "Ok,i know 'tail' and 'head' to show beginning and end of a textfile, but how to get certain lines out of the middle?"
The answer: combine them with a "pipe" like this
Examples:
Line 1: head -1 text.txt Line 2: head -2 text.txt | tail -1 Line 4: head -4 text.txt | tail -1 Line 3 & 4: head -4 text.txt | tail -2 Line 5 to 7: head -7 test.txt | tail -3 Line 4 to 10: head -10 test.txt | tail -7 etc ... --- NAME head - output the first part of files SYNOPSIS head [OPTION]... [FILE]... -n, --lines=[-]N print the first N lines instead of the first 10; with the leading `-', print all but the last N lines of each file --- NAME tail - output the last part of files SYNOPSIS tail [OPTION]... [FILE]... -n, --lines=N output the last N lines, instead of the last 10
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