Difference between revisions of "Linux"
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The following is a (short) list of useful command when manipulating data in text files. Some common options are listed, but may not be explained. For full descriptions of each command, see the <code>man</code> page. | The following is a (short) list of useful command when manipulating data in text files. Some common options are listed, but may not be explained. For full descriptions of each command, see the <code>man</code> page. | ||
| − | ;<code>cat | + | ;<code>cat [file1 [ file2 [...] ] ]</code> |
| − | : print text file to standard output | + | : print text file(s) to standard output. if multiple files are given, their text is concatenated |
: useful for starting a pipeline of commands from the contents of a text file | : useful for starting a pipeline of commands from the contents of a text file | ||
;<code>echo [args...]</code> | ;<code>echo [args...]</code> | ||
Revision as of 20:02, 21 January 2013
These topics have their own pages.
Common C, C++, FORTRAN Libraries
Useful Commands
The following is a (short) list of useful command when manipulating data in text files. Some common options are listed, but may not be explained. For full descriptions of each command, see the man page.
cat [file1 [ file2 [...] ] ]- print text file(s) to standard output. if multiple files are given, their text is concatenated
- useful for starting a pipeline of commands from the contents of a text file
echo [args...]- print arguments to standard output
- useful for starting a pipeline of commands from a variable's value
- useful for printing output to the terminal from inside a script
sort<code>- read from standard input, sort lines, and write to standard output
- command options: -k, -t, -n, -g
