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I have a directory in linux with lots of images having double underscore (__), I have to make it single under score (_). Lets say file name is a__1.jpg. I have to make it a_1.jpg. I have to do it for all files inside a directory. What should be the command?
Thanks
There are several ways to achieve this goal.
If you have mmv installed (or are able to install it), you can do
mmv \*__* \#1_#2
If not, maybe rename is an option:
rename _ __ *
(but alas, here I am not so sure about the syntax.)
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scenario: I have ssh onto a remote server and have created a directory named helloworld/ and after working with it for some time I wanted to rename it to something like hello_world/ I was wondering how I can easily do that.
I was looking online and I was not able to find much resources, but I think this is a pretty simple thing, so I imagine there will be a simple way of achieving this.
Please let me know
mv <source_directory> <target_directory>
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Closed 3 years ago.
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I have a question if I want to create a file without using command or programming?
I know mkdir hi.txt, but is there any way to make without using these?
The touch PATH program will create an empty file at the location entered for PATH.
Example: touch /var/tmp/file.txt will create an empty file at /var/tmp/file.txt
If you want to create a file in Linux, without using any program/command,
you can use > this sign
like > hi.txt it will create a file
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Is it possible to substitute binary with same name alternative? I have /usr/bin/qtcreator
I want to use alternative version but /usr/bin/qtcreator is binary but not alternative.
What the way I should do this?
You could place your new qtcreator at /usr/local/bin/qtcreator, that location should have preference over /usr/bin.
You can check the possible locations for binaries and the order is which they are searched with echo $PATH and you can check which binary will be called with which qtcreator
In Bash:
$ alias qtcreator="/usr/local/bin/qtcreator"
or make sure the path to desired binary is mentioned before the undesired path in $PATH (... as mentioned by others).
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I have downloaded a large file about 2gigs from remote server but by mistake I gave it name . (dot).
How can I rename it using linux commands ?
I don't think you really have named it .. Or at least, you cannot have done so successfully.
The name . is reserved for the current directory. So either it has been given another name implicitly, or it has been removed/discarded.
Try
find -size +1536M -ls
to find if there is any file with this size, and if so, verify if it can be the file you look for.
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How to delete folders using single line command irrespective of whether the folder is empty or non-empty?.. Any idea?
The rm(1) command has the flag -r for that. You should not use the -f flag with this command, unless you know what you are doing, as placing a wrong * or space can have you deleting a lot more than you intended.