[[labs:custom_prompt]]
Trace: • workplan • mizer • unix_basics • transfer_files • emacs • unix_intermediate • staticmockups • documentation
Show page
Recent ChangesSitemap

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
labs:custom_prompt [2009/09/24 18:06] – adminlabs:custom_prompt [2022/01/28 16:59] (current) – [Bash Escape Sequences] admin
Line 1: Line 1:
 ====== Customizing Your Terminal's Prompt ====== ====== Customizing Your Terminal's Prompt ======
  
-When  executing  interactively,  bash displays the primary prompt ''PS1'' when it is ready to read a command, and the       secondary  prompt ''PS2'' when it needs more input to complete a command.  Bash allows these prompt strings to be cus­ +When  executing  interactively,  bash displays the primary prompt ''PS1'' when it is ready to read a command, and the       secondary  prompt ''PS2'' when it needs more input to complete a command.  Bash allows these prompt strings to be cus­tomized by inserting a number of backslash-escaped special characters.
-       tomized by inserting a number of backslash-escaped special +
-       characters that are decoded as follows:+
  
 You will need to edit your ''~/.bashrc'' file using a text editor (e.g., emacs, vim, nano, gedit, ...) You will need to edit your ''~/.bashrc'' file using a text editor (e.g., emacs, vim, nano, gedit, ...)
  
-You will define a PS1 variable and export it.+You will define a ''PS1'' variable and export it.
  
-MORE DIRECTIONS TO COME... 
  
 ===== Bash Escape Sequences ===== ===== Bash Escape Sequences =====
 +
 +The allowed escape sequences allowed in the Bash prompt are decoded as follows:
  
               \a     an ASCII bell character (07)               \a     an ASCII bell character (07)
Line 19: Line 18:
               \h     the hostname up to the first `.'               \h     the hostname up to the first `.'
               \H     the hostname               \H     the hostname
-              \j     the  number of jobs currently managed by the +              \j     the  number of jobs currently managed by the shell 
-                     shell +              \l     the basename of the shell's terminal  device name
-              \l     the basename of the shell's terminal  device +
-                     name+
               \n     newline               \n     newline
               \r     carriage return               \r     carriage return
Line 35: Line 32:
                      (e.g., 2.00.0)                      (e.g., 2.00.0)
               \w     the current working directory               \w     the current working directory
-              \W     the  basename  of the current working direc­ +              \W     the  basename  of the current working direc­tory
-                     tory+
               \!     the history number of this command               \!     the history number of this command
               \#     the command number of this command               \#     the command number of this command
-              \$     if the effective UID is 0, a #, otherwise  a +              \$     if the effective UID is 0, a #, otherwise a $ 
-                     $ +              \nnn   the  character  corresponding  to  the octal number nnn
-              \nnn   the  character  corresponding  to  the octal +
-                     number nnn+
               \\     a backslash               \\     a backslash
               \[     begin a sequence of non-printing characters,               \[     begin a sequence of non-printing characters,
Line 48: Line 42:
                      trol sequence into the prompt                      trol sequence into the prompt
               \]     end a sequence of non-printing characters               \]     end a sequence of non-printing characters
 +===== Color Codes =====
 +
 +|Black   |    0;30   || Dark Gray   |  1;30|
 +|Red       |  0;31  || Light Red    | 1;31|
 +|Green     |  0;32   || Light Green |  1;32|
 +|Brown     |  0;33  || Yellow       | 1;33|
 +|Blue     |   0;34   || Light Blue   | 1;34|
 +|Purple    |  0;35  ||  Light Purple  |1;35|
 +|Cyan      |  0;36   || Light Cyan  |  1;36|
 +|Light Gray | 0;37  || White       |  1;37|
  
 ===== Examples ===== ===== Examples =====
Line 56: Line 60:
   PS1='[\u@\h \W]\$ '   PS1='[\u@\h \W]\$ '
  
-# With Color:  +Look at the escape sequences above to help you determine what the above prompt description means.  The prompt would print out something like
-  PS1="\[\e[0;35m\]\u@\h \W\$ \[\e[00m\]" +
  
 +''[user@home currdir]$ ''
  
   PS1="\h:\W \u\$"   PS1="\h:\W \u\$"
 +
 +This one would look like hostname:currdir
 +
 +**With Color:** 
 +
 +  PS1="\[\e[0;35m\]\u@\h \W\$ \[\e[00m\]"
 +
   export PS1="\[\e[1;31m\]\h:\W \u\$ \[\e[00m\]"   export PS1="\[\e[1;31m\]\h:\W \u\$ \[\e[00m\]"
  
labs/custom_prompt.1253815560.txt.gz · Last modified: by admin
Show pageOld revisions
Media ManagerBack to top
CC Attribution-Noncommercial-Share Alike 4.0 International
Driven by DokuWiki Recent changes RSS feed Valid CSS Valid XHTML 1.0