User:Tom/RHCE EX300: Difference between revisions

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  if condition then action else action fi
  if condition then action else action fi
  if condition then action elif condition then action else action fi
  if condition then action elif condition then action else action fi
for-do done
while do done
until do done

Revision as of 14:26, 4 January 2016

RHCSA & RHCE Red Hat Enterprise Linux 7: Training and Exam Preparation Guide (EX200 and EX300) third edition march 205 by Asghar Ghori

RHCE

Hoofdstuk 14 Writing Shell Scripts

nl       Number lines of files
bash -x  Debug script
Command line arguments $0 $1, $#, $*, $$.
shift    Move arguments

echo -e  Enables interprestation of backslash escapes
$?       Exit code

test     Test conditions (man test) int1 -eq int2
if condition then action else action fi
if condition then action elif condition then action else action fi
for-do done
while do done
until do done