Here is a file:
Linux > cat file1
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Linux >
You can count the number of lines, words and characters in the file like this:
Linux > wc file1
9 56 403 file1
Linux >
If you only need the number of lines, here is what you must do:
Linux > wc -l file1
9 file1
Linux >
The following example counts the words in the file:
Linux > wc -w file1
56 file1
Linux >
With wc -c you can count the number of characters in the file:
Linux > wc -c file1
403 file1
Linux >
You can find the length of the longest line like this:
Linux > wc -L file1
54 file1
Linux >
Here is another file:
Linux > cat file2
The 2012 threat landscape is one of constant and rapid
change.
Where new website vulnerabilities are tirelessly sought
and exploited.
Where new social engineering techniques can increasingly
circumvent external security measures and infect from
within.
And where hackers now employ multiple attack
methodologies and vectors to penetrate defences and
steal information.
Linux >
You can give more than one filename as follows:
Linux > wc -lc file1 file2
9 403 file1
10 369 file2
19 772 total
Linux >
In the next example, cat is used to see the result without the filename:
Linux > cat file1|wc -L
54
Linux >
If you give the name of a file which does not exist, wc replies with an appropriate error message:
Linux > wc file3
wc: file3: No such file or directory
Linux >
wc: file3: No such file or directory
Linux >
