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Can I grep only the first n lines of a file?
I have very long log files, is it possible to ask grep to only search the first 10 lines?
12 Answers
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How do I limit the number of results returned from grep?
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The -m option is probably what you're looking for:
grep -m 10 PATTERN [FILE]
From man grep:
-m NUM, --max-count=NUM
Stop reading a file after NUM matching lines. If the input is
standard input from a regular file, and NUM matching lines are
output, grep ensures th...
Is there a way to crack the password on an Excel VBA Project?
...irect VBA approach which doesn't require HEX editing. It will work for any files (*.xls, *.xlsm, *.xlam ...).
Tested and works on:
Excel 2007
Excel 2010
Excel 2013 - 32 bit version
Excel 2016 - 32 bit version
Looking for 64 bit version? See this answer
How it works
I will tr...
Redirect Windows cmd stdout and stderr to a single file
...ng to redirect all output (stdout + stderr) of a DOS command to a single file:
7 Answers
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How to generate XML file dynamically using PHP?
I have to generate a xml file dynamically at runtime. Please help me in generating the below XML file dynamically using PHP.
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Python - write() versus writelines() and concatenated strings
...ritelines().
write(arg) expects a string as argument and writes it to the file. If you provide a list of strings, it will raise an exception (by the way, show errors to us!).
writelines(arg) expects an iterable as argument (an iterable object can be a tuple, a list, a string, or an iterator in the...
How to .gitignore files recursively
I'm trying to avoid the following pattern in my .gitignore file.
4 Answers
4
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Html helper for
Is there a HTMLHelper for file upload? Specifically, I am looking for a replace of
8 Answers
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How do I get the find command to print out the file size with the file name?
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This version will exec "ls" process for each file. If you have many files (say, over a thousand) you better optimize that by either: find . -name '*.ear' -exec ls -lh {} + \; (GNU extension) or find . -name '*.ear' -print0 | xargs -0 ls -lh. Also you may like to ad...
How do I convert a IPython Notebook into a Python file via commandline?
I'm looking at using the *.ipynb files as the source of truth and programmatically 'compiling' them into .py files for scheduled jobs/tasks.
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