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Normally to create a file in a directory I would use:
echo > /home/user/fileName
but, in this case, my directory path I want to create the file in is stored in a variable in my script so I can't write out the path like that. How do I create a new file inside of it?
437
You can either click the Terminal icon in the Apps menu, or press Ctrl + Alt + T at the same time to open the Terminal. Navigate to the directory you want to create a file in. To do so, type cd followed by the path to the directory you want to create a file in and press Enter..
To create a new file, run the "cat" command and then use the redirection operator ">" followed by the name of the file. Now you will be prompted to insert data into this newly created file. Type a line and then press "Ctrl+D" to save the file.
In bash scripting, there are multiple ways to write a file, but the simplest one is using redirection operators “>”, “>>”. To write multiple lines, “heredoc” can be used, and if you want to write the same data to multiple lines, then the “tee” command is quite handy.
For Bash, you simply need to add the line from above, export PATH=$PATH:/place/with/the/file, to the appropriate file that will be read when your shell launches. There are a few different places where you could conceivably set the variable name: potentially in a file called ~/. bash_profile, ~/. bashrc, or ~/.
If you have a variable myPath, you can use:
echo >${myPath}/fileName
as per the following transcript:
pax:~$ export myPath=/tmp
pax:~$ ls -al /tmp/x*
ls: cannot access /tmp/x*: No such file or directory
pax:~$ echo >${myPath}/xyzzy
pax:~$ ls -al /tmp/x*
-rw-r--r-- 1 pax pax 1 2011-12-06 12:30 /tmp/xyzzy
Just use:
echo > ${WHATEVER}/fileName
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