Script with variable and condition Post: 302749155

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1. Shell Programming and Scripting

if condition for variable existing in file

Hi, Sorry for the dumb question but I can't seem to figure this one out. I want to write an if condition that basically checks if my variable is in a file. So far I have the following: if ] then do something else do something else fi So essentially if the grep returns something then...

2. Shell Programming and Scripting

Bash: if condition as variable

How can I use a variable that has the conditions for the if statement stored in it? my test script condition=" || || " if "$condition" then echo "true" else echo "false" fi output $ ./test2.sh ./test2.sh: line 3: || || : command not found false

3. Shell Programming and Scripting

Problem using shell variable in awk if condition

Hi friends, I'm having a bit of a problem using shell variable in an awk if statement. Please note that i'm using -v option as listed in many forums but I still don't get it working. Here's my code. Kindly help as I've gone crazy trying to work this out :wall: #!/bin/bash -xv ...

4. Shell Programming and Scripting

Compare the two variable with if condition

Please help me with this: I need to compare two values in if condition in shell script but its goes always to else condition: TIME_CHECK=PM TIME-CLOCK=PM if ; then echo "You have access!" else echo "ACCESS DENIED!" fi

5. Shell Programming and Scripting

Echo not displaying variable in If-Else condition

if then echo "Entry Valid : ${x_oug}" else echo "Entry Invalid : " 0 fi In the above code the 3rd line is not working... it does not print anything I tried following as well .. but no luck! echo "Entry Valid : ...

6. UNIX for Dummies Questions & Answers

Variable in IF condition

In AIX, why is it variable VAR becomes true in the condition despite VAR was unassigned and not equal to 1? In Linux, it was traced as an error as VAR is not declared as variable and expecting an integer as argument. one.sh VAR=1 if ; then echo "One" fi if ; then echo "Two"...

7. Shell Programming and Scripting

Checking for null condition in a UNIX variable

i have this code for i in `cat sql_output.txt` do -- some script commands done sql_output.txt has 1 column with employee_ids If the sql_output.txt is null then the do loop should not execute. How can i implement this. for i in `cat sql_output.txt` If i is null or empty then ...

8. Shell Programming and Scripting

If condition to check null variable

Guys, Please help me on the below sample.cfg var=NULL sample.sh #!/bin/sh . /sample.cfg if ;then 1 st command here else 2 nd command here fi

9. Shell Programming and Scripting

Shell variable as awk condition

Hi, I'm trying to automate part of a script which uses awk to grab out some lines of a log file based on certain fields matching. For example, my log file looks something like the following (but 1000s of lines): 1 Tom 123 abc 345 2 Dick 345 abc 678 3 Harry 567 abc 345 4 Tom 345 cde 345...

10. Shell Programming and Scripting

How to add second variable in awk nested if condition?

Hi Gurus, I have a command to assign value based on input value. current condition is "if pattern matches "case", then assign "HOLD" else "SUCC"right now, I need to add one more condition (variable name is VAR). the condition is "if pattern1 matches "case", then assign "HOLD" else if...

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

if condition for variable existing in file

Discussion started by: eltinator

2. Shell Programming and Scripting

Bash: if condition as variable

Discussion started by: curlee2002

3. Shell Programming and Scripting

Problem using shell variable in awk if condition

Discussion started by: vishwas.s

4. Shell Programming and Scripting

Compare the two variable with if condition

Discussion started by: aroragaurav.84