Dot sourcing differences in ksh, AIX vs Linux vs Solaris Post: 302887304

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Top Forums UNIX for Advanced & Expert Users Dot sourcing differences in ksh, AIX vs Linux vs Solaris Post 302887304 by charles_n_may on Thursday 6th of February 2014 05:40:45 PM

02-06-2014

Registered User

Well now this is promising. I will look into that in more detail overnight. Simply using the dot - dot-slash notation also makes the linux version at least compatible with Solaris. I modified the function slightly to show the value of $0 inside it here:

Code:

 
$ cat MyFun
#! /bin/ksh
print -- "In file MyFun, before def of function MyFun. PID=$$, system=$( uname -rsv )"
function MyFun {
  print -- "In function MyFun. \$0=$0. PID=$$, system=$( uname -rsv )"
  return $(( $# % 128 )) #number of arguments mod 128
}
print -- "In file MyFun, after def of function MyFun. PID=$$, system=$( uname -rsv )"

Running in linux:

Code:

$ . ./MyFun
In file MyFun, before def of function MyFun. PID=19620, system=Linux 2.6.32-220.el6.x86_64 #1 SMP Wed Nov 9 08:03:13 EST 2011
In file MyFun, after def of function MyFun. PID=19620, system=Linux 2.6.32-220.el6.x86_64 #1 SMP Wed Nov 9 08:03:13 EST 2011
$ MyFun
In function MyFun. $0=MyFun. PID=19620, system=Linux 2.6.32-220.el6.x86_64 #1 SMP Wed Nov 9 08:03:13 EST 2011
$ . ./MyFun
In file MyFun, before def of function MyFun. PID=19620, system=Linux 2.6.32-220.el6.x86_64 #1 SMP Wed Nov 9 08:03:13 EST 2011
In file MyFun, after def of function MyFun. PID=19620, system=Linux 2.6.32-220.el6.x86_64 #1 SMP Wed Nov 9 08:03:13 EST 2011

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LEARN ABOUT PHP

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)

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