Replacing Variables in Bash/shell Replacing Variables in Bash/shell Intro: Expression:Defininition Intro: First of all make sure that you the variable is defined before... Nov 20, 2009Operating Systems > Linux > Shell > Bash |
Script to Search and Remove All Hidden Folders Script to Search and Remove All Hidden Folders Issue Solution Note Issue I need a Script (VB or BAT : Prefferebly BAT Script) That will... Nov 8, 2009Operating Systems > Linux > Shell > Scripts |
Transforming columns into lines Transforming columns into lines Example Limitations It is endemic for most Linux tools to work with lines, but not with columns (sed,... Oct 1, 2009Operating Systems > Linux > Shell |
Modifying a read-only variable Modifying a read-only variable Solution 1 Solution 2 Solution 1 A variable declared as read-only can not be modified during outgoing... Aug 13, 2009Operating Systems > Linux > Shell > Bash |
Accessing to recent commands from the history Accessing to recent commands from the history The Linux / Unix shell is full of features allowing you to save time and making your life... Aug 7, 2009Operating Systems > Linux > Shell |
Secretly enter a password within console Secretly enter a password within console Here is a simple method on how to limit the use of a specific command (as to prevent the... Aug 7, 2009Operating Systems > Linux > Shell > Bash |
Recover result of command in a variable Recover result of command in a variable For specific reason, it is necessary to recover the result of a command (or back code) in... Aug 7, 2009Operating Systems > Linux > Shell > Bash |
Creating an empty file Creating an empty file To create an empty file, type the following command: > file You can also use the touch command: touch file Aug 6, 2009Operating Systems > Linux > Shell > Bash |
Changing password via a script Changing password via a script Method 1: passwd Method 2: chpasswd Method 1: passwd Conventionally the command use to change password... Aug 4, 2009Operating Systems > Linux > Shell > Bash |
Closing session- Quick log out Closing session- Quick log out The fastest way to log out from your session is to press CTRL+D to close the session. This short key is... Jul 17, 2009Operating Systems > Linux > Shell > Bash |
[Bash]Parameters [Bash]Parameters Intro Example 1 Example 2 Initialize parameters Examples Example 3 Intro You can provide a script on the command line... Jul 17, 2009Operating Systems > Linux > Shell > Bash |
[Shell]Accessing last commands in history [Shell]Accessing last commands in history The shell Linux/Unix provide several features saving time. Thus, it is possible to go back in... Jul 17, 2009Operating Systems > Linux > Shell |
Substitution Substitution Basic Substitution Simple Global Targetted Conditioned Substitution Simplified Advanced Bloc Advanced The substitute... May 8, 2009Operating Systems > Linux > Shell > Sed |
Displaying a file in reverse Displaying a file in reverse You all know the command "cat" which is used to display a file (or to concatenate several). From here, to... Mar 31, 2009Operating Systems > Linux > Shell |
[Shell] Retrieving your public IP [Shell] Retrieving your public IP Implementation GET Lynx Sed For several reasons, we may need to recover its public IP address in a... Mar 9, 2009Operating Systems > Linux > Shell |
Capitalize the 1st letter of each word Capitalize the 1st letter of each word Below are two ways to proceed: Method 1 sed-r 's /(^.|.) / \ U & / g' Method 2 sed 's / ^. \ |... Feb 22, 2009Operating Systems > Linux > Shell > Sed |
How to read a file line by line How to read a file line by line Intro Tips Bonus Intro One of the most common errors of learning scripts bash on GNU / Linux is to read... Feb 22, 2009Operating Systems > Linux > Shell > Bash |
Tips and tricks Tips and tricks Substitution Display Remove Miscellaneous Substitution Substitute "foo" with "bar" on each line Only the 1st occurrence... Feb 22, 2009Operating Systems > Linux > Shell > Sed |
[Sed] Delete one or more lines from a file [Sed] Delete one or more lines from a file Removing one (or several) line (s) of a file Syntax: sed '{[/]<n>|<string>|<regex>[/]}d'... Jan 12, 2009Operating Systems > Linux > Shell > Sed |
Inserting a space between each letter Inserting a space between each letter Insert a space between each letter. $ echo -e "hello life\nand hello to you" | sed 's/./& /g' h... Jan 12, 2009Operating Systems > Linux > Shell > Sed |
