Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: How to use printf to output a shell variable path?
Top Forums UNIX for Beginners Questions & Answers How to use printf to output a shell variable path? Post 302982628 by Don Cragun on Friday 30th of September 2016 06:33:37 PM
Old 09-30-2016
Quote:
Originally Posted by greet_sed
Hi,

Can you try this and see if this helps?

Code:
A=1234;
B=Welcome
printf "%s%s\n" "\$A\t\$B\n$A\t$B\n"

Outputs:
Code:
$A\t$B\n1234\tWelcome\n

Hi greet_sed,
That is close, but there is an extra %s in your printf format string. Since there is only one operand to be formatted, only one %s is needed:
Code:
A=1234;
B=Welcome
printf "%s\n" "\$A\t\$B\n$A\t$B\n"

produces the same results you showed us above.

Alternatively, you could also try the following (note the difference between using single quotes to avoid parameter expansions instead of escaping the dollar sign inside double quotes in the format operand):
Code:
A=1234;
B=Welcome
printf '$A\\t$B\\n%s\\t%s\\n\n' "$A" "$B"

which also produces the same output.
These 3 Users Gave Thanks to Don Cragun For This Post:
drl greet_sed steezuschrist96
 

8 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Set Path variable in c shell

I set my path environment variable in c shell, using the syntax below setenv PATH "${PATH}:/usr/local:/usr/local/bin" and placed this in $HOME/.login $HOME/.cshrc and /etc/.login /etc/.cshrc but when I issued echo $PATH or set command the output does not reflect changes made to... (5 Replies)
Discussion started by: hassan2
5 Replies

2. Shell Programming and Scripting

Reading a path (including ref to shell variable) from file

Hi! 1. I have a parameter file containing path to log files. For this example both paths are the same, one is stated directly and the second using env variables. /oracle/admin/orcl/bdump/:atlas:trc:N ${ORACLE_BASE}/admin/${ORACLE_SID}/bdump/:${ORACLE_SID}:trc:N 2. I try to parse the path... (1 Reply)
Discussion started by: lojzev
1 Replies

3. Shell Programming and Scripting

Error in setting PATH variable in bash shell

Hi, I am new to shell scripting.I tried adding an entry to the path variable like below export PATH=$PATH:/opt/xxx/bin But am getting an error invalid identifier /opt/xxx/bin Can someone tell me the error above and correct me . Thanks and Regards, Padmini (2 Replies)
Discussion started by: padmisri
2 Replies

4. Programming

capture the output of printf into another variable

Hi , I wonder if in java I can pipe the below output of the printf into a variable: System.out.printf(" This is a test %s\n", myVariable); I want to keep the output of the printf command to create my history array. Thanks. (2 Replies)
Discussion started by: arizah
2 Replies

5. Shell Programming and Scripting

C Shell path variable causing very slow shell!?HELP

I am using C Shell MKS Toolkit and I ran into a huge problem when setting up some environment variables.:confused: The csh script that I have as my login script runs fine but very very slow. When I add a directory to my PATH it seems to slow down shell startup and even slow down the commands. ... (0 Replies)
Discussion started by: vas28r13
0 Replies

6. Shell Programming and Scripting

"find . -printf" without prepended "." path? Getting path to current working directory?

If I enter (simplified): find . -printf "%p\n" then all files in the output are prepended by a "." like ./local/share/test23.log How can achieve that a.) the leading "./" is omitted and/or b.) the full path to the current directory is inserted (enclosed by brackets and a blank)... (1 Reply)
Discussion started by: pstein
1 Replies

7. Shell Programming and Scripting

Parse output path to set variable

I am looking to parse a text file output and set variables based on what is cropped from the parsing. Below is my script I am looking to add this feature too. All it does is scan a certain area of users directories for anyone using up more than X amount of disk space. It then writes to the... (4 Replies)
Discussion started by: es760
4 Replies

8. UNIX for Dummies Questions & Answers

Locating shell script files with the $PATH variable

I've created a test script, which is located in $HOME/bin. The script runs as expected with no issues. However, upon echo'ing the $path variable the location of my script is not located in any of the directories listed in $path. So my question is, how does shell know where the script is located... (2 Replies)
Discussion started by: BrandonD
2 Replies

LEARN ABOUT DEBIAN

platform::shell

platform::shell(3tcl)					       Tcl Bundled Packages					     platform::shell(3tcl)

__________________________________________________________________________________________________________________________________________________

NAME

       platform::shell - System identification support code and utilities

SYNOPSIS

       package require platform::shell ?1.1.4?

       platform::shell::generic shell
       platform::shell::identify shell
       platform::shell::platform shell
_________________________________________________________________

DESCRIPTION

       The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell.

       This  package  allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only
       requirement is that the other shell (identified by its path), is actually executable on the current machine.

       While for most platform this means that the architecture of the interrogated shell is identical to the architecture of  the  running  shell
       this  is  not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run
       32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers.

       For applications like a code repository it is important to identify the architecture of the shell which will  actually  run  the  installed
       packages, versus the architecture of the shell running the repository software.

COMMANDS

       platform::shell::identify shell
	      This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::generic shell
	      This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::platform shell
	      This command returns the contents of tcl_platform(platform) for the specified Tcl shell.

KEYWORDS

       operating system, cpu architecture, platform, architecture

platform::shell 						       1.1.4						     platform::shell(3tcl)
All times are GMT -4. The time now is 10:39 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy