Difference between revisions of "BasicUnixUtilities"
MarkDilley (talk | contribs) (→Tasks) |
Jason Parmer (talk | contribs) (→Tasks) |
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* grep | * grep | ||
| + | ** grep will print output lines that match the first argument. If you have a file that looks like | ||
| + | <pre> | ||
| + | my file | ||
| + | your file | ||
| + | </pre> | ||
| + | ** grep my will show "my file" | ||
| + | |||
* | | * | | ||
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* how to output to file | * how to output to file | ||
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==If you want to manipulate a text file:== | ==If you want to manipulate a text file:== | ||
Revision as of 23:56, 6 June 2007
Contents
Why are we doing this
- To share how to do basic unix utilites.
How we know we are done
- To sort a long list fo stuff
Definition
- We are tring to get a list
- how to use stuff to get information out of large lists of stuff that developers give less experiecenced developers or non developers.
People
- Jason and Mark
Tasks
For example
- Text file with one thing per line.
- Opening a terminal window on your mac.
- Look at the top of the file:
- in the command line type head "filename" - this lets us know what the file looks like.
- grep
- grep will print output lines that match the first argument. If you have a file that looks like
my file your file
- grep my will show "my file"
- |
- sort
- cat
- ls
- uniq
- wc
- how to output to file
If you want to manipulate a text file:
- Print out
- Sort
