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…
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…
bash: Batch Renaming File Extensions
Suppose I need to change the file extensions of certain files in a directory. The directory address specified by the…