Difference between revisions of "Cat"

From Hackepedia
Jump to navigationJump to search
m (grammar correction.)
 
Line 1: Line 1:
 
Cat is a command to concatenate or just print files.. here is an example
 
Cat is a command to concatenate or just print files.. here is an example
  
  cat file | head
+
  cat [[Variables|file]] | head
  
which would pipe the file "file" to the program head.
+
which would [[pipe]] the file "file" to the program head.
 
 
An example improved cat would the following shell syntax:
 
  
 
  #!/bin/sh
 
  #!/bin/sh
Line 14: Line 12:
 
  done
 
  done
  
The above serves as a rudamentary cat, when it's missing in a system.
+
The above [[script]] serves as a rudamentary cat, when it's missing in a system.

Latest revision as of 16:39, 10 August 2007

Cat is a command to concatenate or just print files.. here is an example

cat file | head

which would pipe the file "file" to the program head.

#!/bin/sh

while : ; do
 read i
 echo $i
done

The above script serves as a rudamentary cat, when it's missing in a system.