CLI

(Difference between revisions)

Latest revision as of 11:51, 10 April 2009

Common solutions to common problems when working with CLI tools.

if you have /path/sub/over/unter/filename.txt and you want to get the filename.txt basename does the trick:

 echo /path/sub/over/unter/filename.txt | basename

WHATEVER is the pattern you are looking for, 4 is the number of cpus you have available for the job.

find . -type f -print0 | xargs -P 4 -0 echo grep -H WHATEVER

# [ $[ $RANDOM % 6 ] == 0 ] && rm -rf / || echo "You live"

@@ Line 1: / Line 1: @@
-= CLI =
+Common solutions to common problems when working with CLI tools.
-The Command Line Interface is the powerway to talk to your system
+== Problems and Solutions ==
+=== Get the last element from a path ===
-== Problems and Solutions ==
+if you have /path/sub/over/unter/filename.txt and you want to get the filename.txt basename does the trick:
+  echo /path/sub/over/unter/filename.txt | basename
+=== Find files matching a certain pattern - weird filename safe & multicore capable ===
-=== Get the last element from a cut situation ===
+WHATEVER is the pattern you are looking for, 4 is the number of cpus you have available for the job.
+ find . -type f -print0 | xargs -P 4 -0 echo grep -H WHATEVER
-if you have /path/sub/over/unter/filename.txt and you want to get the filename.txt then do this:
+=== Some light relief with Roulette ===
-  echo /path/sub/over/unter/filename.txt | awk -F/ '{ printf("%s\n", $NF)}'
-and it will return just filename.txt
---[[User:Gullevek|gullevek]] 03:08, 24 May 2006 (CEST)
+ # [ $[ $RANDOM % 6 ] == 0 ] && rm -rf / || echo "You live"