Posts tagged as:

environment variable

Howto Make Script More Portable With #!/usr/bin/env As a Shebang

by Vivek Gite · 7 comments

You may have noticed that most shell and perl script starts with the following line:
#!/bin/bash
OR
#!/usr/bin/perl
It is called a shebang. It consists of a number sign and an exclamation point character (#!), followed by the full path to the interpreter such as /bin/bash. All scripts under UNIX and Linux execute using the interpreter specified on [...]

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BASH Shell: HowTo Create Empty Temporary Files Quickly

by Vivek Gite · 7 comments

Use any one of the following command to create temporary empty file names. The first command is special as it use the redirection operator >, the redirection refers to the standard output. So you are creating a new file or destroying existing file:

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