Web25 jan. 2024 · If you only need to know if a directory does not exist and want to act upon that by for example creating it, you can use ordinary Makefile targets: directory = ~/Dropbox all: $ (directory) @echo "Continuation regardless of existence of … Web2 dec. 2024 · One can check if a directory exists in a Linux shell script using the following syntax: [ -d "/path/dir/" ] && echo "Directory /path/dir/ exists." You can use ! to check if a directory does not exists on Unix: [ ! -d "/dir1/" ] && echo "Directory /dir1/ DOES NOT exists." One can check if a directory exists in Linux script as follows:
Makefile – Check if a file exists using wildcard function - CSDN博客
Web22 aug. 2024 · In this article, we'll explore make and Makefile using basic and advanced examples. Before you start, ensure that make is installed in your system. Basic examples. Let's start by printing the classic "Hello World" on the terminal. Create a empty directory myproject containing a file Makefile with this content: say_hello: echo "Hello World" WebIn my opinion, directories should not be considered targets of your makefile, either in technical or in design sense. You should create files and if a file creation needs a new … the lion king broadway musical trailer
How do you check if a directory exists in a Makefile?
Web16 nov. 2024 · No need to test if the directory exists, just dir=/Scripts mkdir -p $dir To create the file if it doesn't exist, filename=$dir/file.txt test -f $filename touch $filename Or if you prefer, filename=$dir/file.txt if [ ! -f $filename ] then touch $filename fi Share Improve this answer Follow answered Nov 16, 2024 at 22:05 James K. Lowden Web29 jul. 2024 · About “bash if file does not exist” issue. You might want to check if file does not exist in bash in order to make the file manipulation process easier and more streamlined. This is the job of the test command, which can check if a file exists and its type. Since only the check is completed, the test command sets the exit code to 0 or 1 ... WebIf you only need to know if a directory does not exist and want to act upon that by for example creating it, you can use ordinary Makefile targets: directory = ~/Dropbox all: $ (directory) @echo "Continuation regardless of existence of ~/Dropbox" $ (directory): @echo "Folder $ (directory) does not exist" mkdir -p $@ .PHONY: all Remarks: ticketmaster cz login