Difference between revisions of "Scripting"

From Linuxintro
imported>ThorstenStaerk
imported>ThorstenStaerk
(export-import does not work with "\n")
 
(4 intermediate revisions by the same user not shown)
Line 3: Line 3:
 
  }
 
  }
 
defines a function in [[bash]].
 
defines a function in [[bash]].
 +
 +
= Usecases =
 +
Delete linebreaks
 +
[[cat]] ''file'' | tr '\n' '; ' > ''newfile''
  
 
= TroubleShooting =
 
= TroubleShooting =
Use xtrace to get every line of a script shown before the line is executed.
 
 
 
If you want every line to be shown with evaluated values, write the following to the beginning of the script:
 
If you want every line to be shown with evaluated values, write the following to the beginning of the script:
 
  set -x
 
  set -x
 
or -xv for verbose
 
or -xv for verbose
 +
 +
= See also =
 +
* [[shell programming]]

Latest revision as of 12:35, 23 January 2014

foo()
{
}

defines a function in bash.

Usecases

Delete linebreaks

cat file | tr '\n' '; ' > newfile

TroubleShooting

If you want every line to be shown with evaluated values, write the following to the beginning of the script:

set -x

or -xv for verbose

See also