Linked Questions

4
votes
1answer
165 views

Any problem assigning one variable to another in shell without using quotes? [duplicate]

This question is about assigning the entire contents of one variable to another variable. Variable is not being used (sent to echo, etc.) No parameter expansion is being done during the assignment. ...
28
votes
3answers
10k views

Quoting within $(command substitution) in Bash

In my Bash environment I use variables containing spaces, and I use these variables within command substitution. Unfortunately I cannot find the answer on SE. What is the correct way to quote my ...
2
votes
1answer
304 views

Printf formatting with variable format - what does this var reference?

I am experimenting with printf formatting in bash and I ran across this piece of code: #/bin/bash divider=============================== divider=$divider$divider header="\n %-15s %8s %10s %11s\n" ...
2
votes
2answers
163 views

What is PATH on a Mac OS?

What is the PATH in a Mac OS? I have used it to install global command-line tools, but the only documentation I have found are tutorials for doing just that, with no real explanation of what is ...
5
votes
3answers
1k views

Quote a variable in shell script “if” statement

e.g. if [ "$FOO" = "true" ]; then vs if [ $FOO = "true" ]; then What is the different? Seems both of two statements also works.
5
votes
3answers
1k views

What is the difference having double quotes or not in bash [duplicate]

I have some bash scripts, one which has the following content: #!/bin/bash source $(dirname ${BASH_SOURCE[0]})/script.sh while the other one has the following content: #!/bin/bash source ...
4
votes
2answers
699 views

Shell Script to isolate files scattered in different folders

I need to write a shell script that traverses a given directory structure in multiple levels, recognizes the video files scattered in the folders and copies all of them to another single folder. The ...
1
vote
1answer
431 views

Read a variable with “read” and preserve backslashes entered by the user

I'm using read to read a path from a user like so: read -p "Input the file name: " FilePath The user now enters this string: \Supernova\projects\ui\nebula What can I do to replace \ with /. The ...
1
vote
2answers
447 views

viewing variable values in a KSH script

I am using a KSH script that creates numerous variables from fairly complex code. What command can I place in the script to view the value of these variables as they are created? Would ECHO be the ...
1
vote
1answer
2k views

when to use double quotes with a variable in shell script? [duplicate]

I am in a confusion with what is meant by the double quotes referring to a variable. For example following two scripts gives the same output. What is really meant by the double quotes? Script1 ...
1
vote
1answer
120 views

what is diffrence between “$var” and “${var}” [duplicate]

i have seen in many script usage of "$var" and "${var}", so I just want to know diffrence between "$var" and "${var}"
1
vote
1answer
1k views

Outputting last modification date to another file?

I'm trying to read the number of lines in a file, and the last modification date of that file (e.g. if it was last modified Jan 18, 2013, it should output 2013-01-18), then append the data to the ...
8
votes
7answers
5k views

Splitting large directory tree into specified-size chunks?

I have a directory tree that I would like to back up to optical disks. Unfortunately, it exceeds the size of any one disk (it's about 60GB). I am looking for a script that would split this tree into ...

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