How to programatically add files to an existing tar file - unix

I have one process that creates a tar based on some existing files, then I want another process to take that tar file and add MORE files to it.
How is this accomplished programmatically?

There are no folders as such in a tarfile. Each file can have a path, so a tarfile might contain
/some/path/foo
/some/path/bar
/another/path/baz
If you have a file /elsewhere/quartz which you wish to add to the tarfile as /some/path/quartz, this will do it:
tar -rvf tarfilename --transform 's,.*/,/some/path/,' /elsewhere/quartz
(This will work in GNU tar, I can't make promises about other versions.)
The stuff inside the single quotes is a regular expression substitution command, roughly "take everything up to a slash (as much as possible) and replace it with /some/path/".

Related

Include target file with wildcards in makefile all directive

I thought this would be a no-brainer, but I can't seem to figure it out. Let's say I want to unzip all zip files in a directory and place the results in another directory. All files follow the pattern region_*.zip, where * is some id.
raster/region_%.tif: zip/region_%.zip
unzip -d raster $<
My problem: How do I include this operation in my all directive?
# Does not work
all: raster_region_%.tif
Make always works backward from the target you want to create, back to the source files (in this case zip files).
Make has to be told, somehow, what the target you want to create is. It can't just intuit that out of thin air.
In this case, if you want to build a .tif file for each zip file you need to first get a list of all the zip files then convert them into the target files:
ZIPFILES := $(wildcard zip/region_*.zip)
TARGETS := $(patsubst zip/region_%.zip,raster/region_%.tif,$(ZIPFILES))
all: $(TARGETS)

Makefile rule depend on directory content changes

Using Make is there a nice way to depend on a directories contents.
Essentially I have some generated code which the application code depends on. The generated code only needs to change if the contents of a directory changes, not necessarily if the files within change their content. So if a file is removed or added or renamed I need the rule to run.
My first thought is generate a text file listing of the directory and diff that with the last listing. A change means rerun the build. I think I will have to pass off the generate and diff part to a bash script.
I am hoping somehow in their infinite intelligence might have an easier solution.
Kudos to gjulianm who got me on the right track. His solution works perfect for a single directory.
To get it working recursively I did the following.
ASSET_DIRS = $(shell find ../../assets/ -type d)
ASSET_FILES = $(shell find ../../assets/ -type f -name '*')
codegen: ../../assets/ $(ASSET_DIRS) $(ASSET_FILES)
generate-my-code
It appears now any changes to the directory or files (add, delete, rename, modify) will cause this rule to run. There is likely some issue with file names here (spaces might cause issues).
Let's say your directory is called dir, then this makefile will do what you want:
FILES = $(wildcard dir/*)
codegen: dir # Add $(FILES) here if you want the rule to run on file changes too.
generate-my-code
As the comment says, you can also add the FILES variable if you want the code to depend on file contents too.
A disadvantage of having the rule depend on a directory is that any change to that directory will cause the rule to be out-of-date — including creating generated files in that directory. So unless you segregate source and target files into different directories, the rule will trigger on every make.
Here is an alternative approach that allows you to specify a subset of files for which additions, deletions, and changes are relevant. Suppose for example that only *.foo files are relevant.
# replace indentation with tabs if copy-pasting
.PHONY: codegen
codegen:
find . -name '*.foo' |sort >.filelist.new
diff .filelist.current .filelist.new || cp -f .filelist.new .filelist.current
rm -f .filelist.new
$(MAKE) generate
generate: .filelist.current $(shell cat .filelist.current)
generate-my-code
.PHONY: clean
clean:
rm -f .filelist.*
The second line in the codegen rule ensures that .filelist.current is only modified when the list of relevant files changes, avoiding false-positive triggering of the generate rule.

Make rsync exclude all directories that contain a file with a specific name

I would like rsync to exclude all directories that contain a file with a specific name, say ".rsync-exclude", independent of the contents of the ".rsync-exclude" file.
If the file ".rsync-exclude" contained just "*", I could use rsync -r SRC DEST --filter='dir-merge,- .rsync-exclude'.
However, the directory should be excluded independent of the contents of the ".rsync-exclude" file (it should at least be possible to leave the ".rsync-exclude" file empty).
Any ideas?
rsync does not support this (at least the manpage does not mention anything), but you can do it in two steps:
run find to find the .rsync-exclude files
pipe this list to --exclude-from (or use a temporary file)
--exclude-from=FILE
This option is related to the --exclude option, but it specifies a FILE that contains exclude patterns
(one per line). Blank lines in the file and lines starting with ';' or '#' are ignored. If FILE is -,
the list will be read from standard input.
alternatively, if you do not mind to put something in the files, you can use:
-F The -F option is a shorthand for adding two --filter rules to your command. The first time it is used
is a shorthand for this rule:
--filter='dir-merge /.rsync-filter'
This tells rsync to look for per-directory .rsync-filter files that have been sprinkled through the
hierarchy and use their rules to filter the files in the transfer. If -F is repeated, it is a short-
hand for this rule:
--filter='exclude .rsync-filter'
This filters out the .rsync-filter files themselves from the transfer.
See the FILTER RULES section for detailed information on how these options work.
Old question, but I had the same one..
You can add the following filter:
--filter="dir-merge,n- .rsync-exclude"
Now you can place a .rsync-exclude file in any folder and write the names of the files and folders you want to exclude line by line. for example:
#.rsync-exclude file
folderYouWantToExclude
allFilesThatStartWithXY*
someSpecialImage.png
So you can use patterns in there too.
What you can't do is:
#.rsync-exclude file
folder/someFileYouWantToExlude
Hope it helps! Cheers
rsync -avz --exclude 'dir' /source /destination

How to generate translation file (.po, .xliff, .yml,...) from a Symfony2/Silex project?

Im going to build a Silex/Symfony2 project and I have been looking around for a method to generate XLIFF/PO/YAML translation files based on texts-to-be-translated inside the project but not found any instruction or documentation on it.
My question is: Is there an automated way to generate translation file(s) in specific format for a Symfony2/Silex project?
If yes, please tell me how to generate the file then update the translation after that.
If no, please tell me how to create translation file(s) then adding up more text for my project? I am looking for an editor desktop based or web-based instead of using normal editor such as Transifex, GetLocalization (but they dont have option to create a new file or add more text)
After a long time searching the internet, I found a good one:
https://github.com/schmittjoh/JMSTranslationBundle
I see you've found a converter, but to answer your first question about generating your initial translation file -
If you have Gettext installed on your system you could generate a PO file from your "texts-to-be-translated inside the project". The command line program xgettext will scan the source files looking for whatever function you're using.
Example:
To scan PHP files for instances of the trans method call as shown here you could use the following command -
find . -name "*.php" | xargs xgettext --language=PHP --keyword=trans --output=messages.pot
To your question about editors:
You could use any PO editor, such as POEdit, to manage your translations, but as you say you eventually need to convert the PO file to either an XLIFF or YAML language pack for Symfony.
I see you've already found a converter tool. You may also like to try the one I wrote for Loco. It supports PO to YAML, and PO to XLIFF
Workaround for busy people (UNIX)
You can run the following command in the Terminal:
$ grep -rEo --no-filename "'.+'\|\btrans\b" templates/ > output.txt
This will output the list of messages to translate:
'Please provide your email'|trans
'Phone'|trans
'Please provide your phone number'|trans
...
I mean almost.. But you can usually do some work from here...
Obviously you must tweak the command to your liking (transchoice, double-quotes instead of single...).
Not ideal but can help!
grep options
grep -R, -r, --recursive: Read all files under each directory, recursively this is equivalent to the -d recurse option.
grep -E, --extended-regexp: Interpret PATTERN as an extended regular expression.
grep -o, --only-matching: Show only the part of a matching line that matches PATTERN.
grep -h, --no-filename: Suppress the prefixing of filenames on output when multiple files are searched.
(source)

UNIX C Shell Scripting. Copying files and adding extension

I'm trying to write a script that copies files from one directory to another and adds a .bak extension to them. I'm having a hard time figuring out how to add the extension.
foreach file in ($argv[1]/*)
cp $file $argv[2]
end
Making a bunch of assumptions (mainly that the outline of your script is valid C shell syntax, and that spaces in file names are not an issue), then you probably need to use the basename command:
foreach file in ($argv[1]/*)
cp $file $argv[2]/`basename $file`.bak
end
The basename command removes the pathname, so the files will be copied precisely to the directory named by $argv[2]. If you're looking to retain directory hierarchies too, you have to work a fair bit harder.
$1 and $2 are the arguments (directories) to the script-:
for f in $1/*
do
fname=$(basename $f)
cp $f $2/$fname.bak
done

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