bash shell scripting
A shell script is a code (script) written for the shell or command line interpreter of an operating system such…
Reading files in a directory using bash
The following code reads files in a directory called SQL. Then if runs an SQL command with the file name…
Using ls to display a file tree
Recently, I found a really elegant solution to display a file tree using the ls command. I like is so…
Bash: using positional parameter
Positional parameters are used to pass arguments to a command line application. This post shows you how to used positional…
for loop in bash
For loops in bash a similar to commonly used languages such as Perl and C. bash loops do not use…
bash: How to escape single quotes single quotes
In bash, you can use the backslash character (“\”) to escape any character. However, if a single quote is inside…
How to pipe the output of locate to ls
locate command can be used to search for files. Locate command is good at search an index but not great…
bash: How to display image properties
The following bash script shows how to capture image properties from ImageMagick: xa.jpg is an image which is stored in…
/bin/rm: cannot execute [Argument list too long]
Error Cause rm can only handle a certain number of arguments. If you run following command in a directory of…
Reading content of a file using bash
The following code read the contents of a text file To read first five lines only Read five lines and…