Sponsored Content
Top Forums Shell Programming and Scripting Significance of ':-' while accessing a variable Post 302758563 by Scrutinizer on Sunday 20th of January 2013 05:40:58 AM
Old 01-20-2013
It means:
Code:
${parameter:-word}
    Use Default Values. If parameter is unset or null, the expansion of word shall be substituted; otherwise, the value of parameter shall be substituted.

See Shell Command Language: 2.6.2 Parameter Expansion
These 2 Users Gave Thanks to Scrutinizer For This Post:
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Accessing invidual characters in a variable name

hi, How do i access individual characters in a string variable value . say i have var=20060731. How do i retrieve 2,0,0,6 etc chars separately. Is there any Field separator in cut or awk to achieve the same? Regards, Suman (2 Replies)
Discussion started by: suman_jakkula
2 Replies

2. UNIX for Dummies Questions & Answers

accessing shell script variable in file

Hi, I have a shell script in which there is a file conn_$temp where $temp has the pid of the shell script. in this shell script i have an embedded awk script that must read the file while ((getline < "conn_$temp") > 0) However due to the "$temp" in the file name, the awk script is... (6 Replies)
Discussion started by: HIMANI
6 Replies

3. UNIX for Dummies Questions & Answers

Accessing Global Env Variable

Greetings: I need to remove 'RUBYOPT' env variable to install MacRuby. I see it via $env (tchrc). I checked my (local) .tcshrc, .login, .profile files: not defined there. Apparently, it's not set locally. I know this RUBYOPT is global, since I can see it in another account on my... (4 Replies)
Discussion started by: UncleRic
4 Replies

4. Shell Programming and Scripting

Accessing a variable from another script

Hi, Can anyone assist me on how to access a variable in a shell script from another script. for ex, Script-1 ------- #! /bin/sh c=10 Where as, i would like to access the velue of variable c in another script 'Script-2'. Thankyou to all in advance !! :b: :b: (2 Replies)
Discussion started by: little_wonder
2 Replies

5. Shell Programming and Scripting

Accessing variable from awk program in shell

Hi, I want to access a variable outside the awk program. My program is as below:- I can not access the exact value of k (See the last line of the program). #!/usr/bin/sh j=10 k=1 #k is declared outside awk awk ' BEGIN { i=1; j1="'"$j"'" printf("\n ## Value of j1 is %d ##", j1); ... (2 Replies)
Discussion started by: shouvik.mitra
2 Replies

6. Shell Programming and Scripting

Accessing the variable from pl sql bolck

I hve a PL SQL block in unix where i define a variable "var_px_cat" and use it for taking count SELECT COUNT(*) INTO var_px_cat FROM A WHERE B = '$CATEGORIE_ID'; Now how do I access the variable "var_px_cat" in unix after exiting from pl sql block. (3 Replies)
Discussion started by: theeights
3 Replies

7. Shell Programming and Scripting

accessing a variable or array of one script in another

hi all, i've a requirement like this. i want to access the contents of an array declared in one script,which is a bash script, to a second script which is a perl script. actually i want a sort of global variable which can be accessed in other script like environmen variables and also i can... (3 Replies)
Discussion started by: tprayush
3 Replies

8. Shell Programming and Scripting

Accessing a variable from another file

HI all, How can i access a variable that is defined in another file as: $$Name= "abhinav; in my script. The catch is that it has 2 $s behind it... Thnaks ---------- Post updated at 10:36 AM ---------- Previous update was at 10:29 AM ---------- the file from which i have to... (0 Replies)
Discussion started by: abhinav192
0 Replies

9. Shell Programming and Scripting

Accessing local variable

Hi, Would like to know the purpose and accessing of local variable as in below code snippet: a=123 ( a=321; ) echo "a = $a" #This will print 123 How to access local a variable which is assigned with value 321 ?. .. (3 Replies)
Discussion started by: IND123
3 Replies

10. Shell Programming and Scripting

accessing variable from while loop

Hi all, Here is an outline of the problem: #variable declared at start of script x=0; #a function that increments x by 1 every 10 seconds incrementX(){ increments x every 10 seconds; } #i want this to output the value of x every second. The problem is that x is always reported... (3 Replies)
Discussion started by: free2rhyme2k
3 Replies
PAPS(1) 						      General Commands Manual							   PAPS(1)

NAME
paps - UTF-8 to PostScript converter using Pango SYNOPSIS
paps [options] files... DESCRIPTION
paps reads a UTF-8 encoded file and generates a PostScript language rendering of the file. The rendering is done by creating outline curves through the pango ft2 backend. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. --landscape Landscape output. Default is portrait. --columns=cl Number of columns output. Default is 1. Please notice this option isn't related to the terminal length as in a "80 culums terminal". --font=desc Set the font description. Default is Monospace 12. --rtl Do right to left (RTL) layout. --paper ps Choose paper size. Known paper sizes are legal, letter and A4. Default is A4. Postscript points Each postscript point equals to 1/72 of an inch. 36 points are 1/2 of an inch. --bottom-margin=bm Set bottom margin. Default is 36 postscript points. --top-margin=tm Set top margin. Default is 36 postscript points. --left-margin=lm Set left margin. Default is 36 postscript points. --right-margin=rm Set right margin. Default is 36 postscript points. --gutter-width=gw Set gutter width. Default is 40 postscript points. --help Show summary of options. --header Draw page header for each page. --markup Interpret the text as pango markup. --lpi Set the lines per inch. This determines the line spacing. --cpi Set the characters per inch. This is an alternative method of specifying the font size. --stretch-chars Indicates that characters should be stretched in the y-direction to fill up their vertical space. This is similar to the texttops behaviour. AUTHOR
paps was written by Dov Grobgeld <dov.grobgeld@gmail.com>. This manual page was written by Lior Kaplan <kaplan@debian.org>, for the Debian project (but may be used by others). April 17, 2006 PAPS(1)
All times are GMT -4. The time now is 03:51 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy