關於 makefile wildcard file exists ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. Makefile : file exists check not consistent - Unix Stack Exchange

ifeq ($(shell test -e file_name && echo -n yes),yes). is evaluated as Make reads the Makefile, not as the commands are run.

#12. Makefile Tutorial By Example

Why do Makefiles exist? Makefiles are used to help decide which parts of a large program need to be recompiled. In the vast majority of cases, C or C++ files ...

#13. Makefile quick reference

Makefile quick reference ... use of wildcard to get list of files matching pattern ... test if a file exists, use it if so, err msg otherwise example4: ;.

#14. Tutorial on writing makefiles

The *.o wildcard matches any existing .o files, or any .o files which do not yet exist but can be made by any of the rules that makepp knows about from any ...

#15. Automation and Make: FIXME

Makefiles · Each rule has a target, a file to be created, or built. · If any dependency does not exist then Make will look for a rule to build it.

#16. How do I check if file exists in Makefile? - Tony's Tech Blog

... e.g., to download a file only if it doesn't currently exist, the following code could be used: if fi download: ifeq (,$(wildcard .

#17. GNU Make - Writing Rules

A single file name can specify many files using wildcard characters . ... If `foo.c' exists (or is mentioned in the makefile) in any of the directories, ...

#18. Makefile:condition to check whether a file exists ?

I am making a Makefile there i have made three files text11.o ,functext.o and ... ifeq ($(findstring text11.o,$(wildcard %.o)), text11.o)

#19. The Trouble with $(wildcard) | CMCrossroads

(wildcard) explained can be used anywhere in a Makefile or rule to ... If the file exists then its name is returned, otherwise $(wildcard) ...

#20. GNU `make'

Once a suitable makefile exists, each time you change some source files, ... Wildcard characters may be used (see Using Wildcard Characters in File Names) ...

#21. magpar: Makefile system - Werner Scholz Homepage

HOSTNAME # check if file exists exist := $(wildcard Makefile.in.$(HOSTNAME)) ifneq ($(strip $(exist)),) # include if it does include Makefile.in.

#22. makefile中如何判斷一個檔案是否存在

調用shell的函數進行判斷exist = $(shell if [ -f $(FILE) ]; then echo ... 2. 使用makefile的函數進行判斷ifeq ($(FILE), $(wildcard $(FILE)))#do.

#23. How to make install rule with a wildcard for files that don't exist?

but this doesn't work, the rule generated in a makefile is incorrect. I also tried to use the no_check_exist option, but that only seems to work ...

#24. Class: File (Ruby 2.4.3)

Returns true if the named file exists and has a zero size. ... File::FNM_PATHNAME) #=> false # wildcard doesn't match '/' on FNM_PATHNAME File.fnmatch('*', ...

#25. [Solved]-Test whether a directory exists inside a makefile-bash

I use the following to detect if a file or a directory exists and act upon it : $(if $(filter expected,$(wildcard *)), the expected file exists).

#26. 11. Example Makefiles - Managing Projects with GNU Make ...

The test itself consists of one -e test (i.e., does the file exist?) for each example directory. The actual code goes something like this: use wildcard to ...

#27. Get all the files that matches a wildcard pattern, eg. (*.tmp)

Get all the files that matches a wildcard pattern, eg. (*.tmp) : File Util « File Stream « C# / C Sharp. ... Exists) files = info.GetFiles(pattern); } else ...

#28. GNU `make' - CERN TWiki

Once a suitable makefile exists, each time you change some source files, ... Wildcard characters may be used (see Using Wildcard Characters in File Names) ...

#29. Managing the Makefile for ModusToolbox™ software

Makefile directory: The folder that contains the Makefile; this may be a ... However, the common use case is that you have files that exist ...

#30. HowTo: check if a file exists in a ... - Rick Foos HowTo Blog

HowTo: check if a file exists in a makefile (using makefile conditionals) ... $(findstring . , $(wildcard *. )) ... There is no need to use $(filter ...

#31. Makepp Cookbook - SourceForge

What to do in place of recursive make; One makefile for each directory: with implicit ... The wildcard matches any .o file which exists or can be built, ...

#32. How can I check if directory exists in a makefile

* $TMP/logs_tmp/ Before copying the files I have to check if the directory $DATE1 and $DATE2 exists. If directory exists then, check if the folder contains some ...

#33. The best way to set up makefiles for various situations

The wildcard matches any .o file which exists or can be built, so it will work even if the files don't exist yet. The "only_targets" function is used to ...

#34. Check if a file or a directory exists in Python - nkmk note

In Python, you can check if a file or directory (folder) exists using ... and determines file names without extensions, such as Makefile .

#35. Messages for TPF Toolkit Core - IBM

Select a valid parent folder. TPFC1007I File creation has been cancelled. TPFC1008W A file by the name of {1} already exists.

#36. Wildcard sort order - CloudBees Documentation

Even a GNU Make version using different system libraries versions will exhibit inconsistencies in the wildcard sort order. No difference exists in the file list ...

#37. NMAKE Error U1050 through U1100 - FTP Directory Listing

NMAKE ran out of memory, including virtual memory, because the makefile was too ... A target file that is specified using a wildcard must exist on disk.

#38. Makefile Cheat Sheet - USC Bytes

Build Folder. Another way to keep your build process organized is to use a subdirectory for build artifacts. This allows you to keep all of the compiled objects ...

#39. Diff - 4cbf8eb^! - platform/build - Git at Google

If an +## Android.bp file exists, or if passed an Android.bp file ... define filter-soong-makefiles -$(foreach mk,$(1),\ - $(if $(wildcard ...

#40. pathlib — Object-oriented filesystem paths — Python 3.11.4 ...

Listing Python source files in this directory tree: >>> >>> list(p.glob('**/*.py')) ... q.exists() True >>> q.is_dir() False. Opening a file: > ...

#41. Rules (GNU make) - Chiark.greenend.org.uk

Wildcards are also useful in the prerequisites of a rule. ... If a target file does not exist at the path specified in the makefile, directory search is ...

#42. Linux / UNIX: Find Out If File Exists With Conditional ... - nixCraft

I need to check if a file with the current date exists in a folder. How would I do that? ↩ ∞. Betulino Aug 12, 2010 @ 8: ...

#43. file — CMake 3.27.0-rc2 Documentation

Otherwise, if the dependency is an absolute file that exists, ... Note that <paths> must list actual files or directories; wildcards are not supported.

#44. Using Makefile Wildcards - Earthly Blog

In this command, you define that gcc should compile the program into a binary called hello , and it should do this using the main.c file. Now, ...

#45. make(1) - OpenBSD manual pages

If neither of these exist, make can still rely on a set of built-in system rules. If the file '.depend' exists, it will also be read after the main makefile ( ...

#46. Python Create File If Not Exists - Linux Hint

When this code is executed, it creates the file in the same folder: The output confirms that the file was created when it was not already present. Side Note: In ...

#47. OperatingSystem - Robot Framework

If the file exists, the given text is written to its end. ... the pattern is considered a glob pattern where, for example, * and ? can be used as wildcards.

#48. check if a file exists - MATLAB Answers - MathWorks

The "isfile" function searches for files only on the specified path or in the current folder. For R2017a and previous releases, use the "exist" function. For ...

#49. File Dependencies: make

-f filename: Use filename instead of the default makefile or Makefile ... the target file does not exist or if any dependency file is newer.

#50. adding prerequsite to recipe fails w/ wildcard targets

I trivial example can be seen with the minimal Makefile below: project: project.o project.o: project.h. This assumes two source files exist: ...

#51. Loops and working with Files and Folders - Effective Shell

# If the file / folder doesn't exist, skip it. if ! [ -e "$ ...

#52. Using makefile wildcard command for file names with spaces

I asked on Stack Overflow and a user named perreal helped me to solve this, here is his answer. Here is what I did to get it to work:.

#53. How to create a Visual Studio Solution from a Makefile?

txt and if that file doesn't exist then there is no build. (Question: Is there an alternative method for Makefile ?) Copy.

#54. Generic Makefile with link dependencies - Alexander Kläser

A python script (dep.py) then parses the dependy files and it checks whether there exist header files with a corresponding .c or .cpp file. And this is the ...

#55. Python: Check If a File Exists - Career Karma

Check if Directory Exists Python Example. Say that we want to check whether the folder final_data_folder exists. We plan to use this directory ...

#56. Connect to a folder—ArcGIS Pro

To make file system resources readily available to your project, you can connect to folders on a ... the following folders, if they exist, are not indexed:.

#57. makefile

You should edit makefile.package, which is also included below, ... figure out source files PACKAGE_JAVAC_SOURCE := $(filter-out $(wildcard ...

#58. Bash: Checking for the Existence of a Directory in a Makefile

How do I know if a file is present in Makefile? ... directory = $(wildcard ~/Dropbox) all: | $(directory) @echo "Continuation regardless of ...

#59. Concatenating Text Files into a Single File in Linux - Baeldung

A quick and practical tutorial to concatenating files into a ... have to be careful while using wildcards if the output file already exists ...

#60. Chapter 6 Make Tutorial

us create a new file called “Makefile” (no extension) with the following content ... If we ask Make to build a file that already exists and is not a target, ...

#61. How to Create Files and Folders with PowerShell | Petri

The cmdlet returns True if a file or folder exists, and False if it does not. In the example below, I am checking to see if the file named ...

#62. CLion fails to find some of my headers. Where does it search ...

Just a small C++ Makefile project, with two .cpp files and two ... caused by CLion not understanding the wildcard in `SRC_FILES = src/*.cpp` ...

#63. What is a Makefile and how does it work? - Opensource.com

Create a empty directory myproject containing a file Makefile with ... a file with that name exists or what its last modification time is.

#64. Digesting Make and Makefiles | Willy's blog

html files which are not in the dist folder), store in a variable, and then use that information to create the target html files. SRC_HTMLS := ...

#65. How To Check If File or Directory Exists in Bash - phoenixNAP

The first line executes the test to see if the file exists. ... To test for multiple files with a wildcard, like an asterisk * to stand for ...

#66. fs - CC: Tweaked

Querying paths: For instance, checking if a file exists, or whether it's a directory. ... find(path), Searches for files matching a string with wildcards.

#67. How to set up a project with Embedded Proto using Makefiles

The implicit target makes sure the output folder exists, and it runs protoc. Protoc is run from the Embedded Proto folder such that the plugin ...

#68. Linux Unzip Command Help and Examples - Computer Hope

If the file specification is a wildcard, each matching file is ... i.e., extract only those files that already exist on disk and that are ...

#69. mklink error: Cannot create a file when that file already exists

the syntax is incorrect. mklink has the following synatx: mklink [options] <Link> <Target>. Target is the file/folder that exists, and Link is the created ...

#70. PowerShell: Create, Delete, Copy, Rename and Move Files

Here's how to check whether a file exists and delete it if it does: ... The wildcard character (*)ensures that all text files are included:

#71. 使用Makefiles的依赖性文件的问题；file.d存在 - 七牛云

Why would the shell give a "File exists" error when you use ">" to overwrite it? 我怀疑实际上不是这个命令产生了那个错误。

#72. The Lost Art of the Makefile - Olio Apps

Make looks for a file called Makefile in the current directory. ... If the target_file does not exist, or if prerequisite_file1 or ...

#73. Tcl Built-In Commands - file manual page

If the file doesn't exist or its access time cannot be queried or set then an error is generated. On Windows, FAT file systems do not support access time.

#74. Makefile and Dotenv | Lithic Tech

In this series on Makefiles, we've covered how to use wildcards and ... We love love love using .env files to configure our applications.

#75. How to let 'cp' command don't fire an error when source file ...

This will also ignore other errors (source/destination directory doesn't exist, source file exists but is not readable, disk full, read-only ...

#76. How To Use Makefiles to Automate Repetitive Tasks

The wildcard syntax we mentioned above compiles a list of .jpg files in the current directory, and if none exist, it doesn't set the variable to ...

#77. Makefiles: 95% of what you need to know - YouTube

Makefiles are confusing and archaic. This tutorial goes of a few different complexity levels of Makefiles to walk you through their ...

#78. Auto-Dependency Generation - GNU Make

These dependency files are then all included by the makefile. ... GNU make 's wildcard function so that dependency files which don't exist ...

#79. Using Spec Files - PyInstaller

Creates a folder dist in the same folder as the script if it does not exist. Writes the myscript executable folder in the dist folder. In the dist ...

#80. MySQL Bugs: #30708: make relies GNU extentions

We get this error: BUILD/Makefile.am:69: `%'-style pattern rules are ... a writeable checked-out file exists and the SCCS version is newer.

#81. How to Create a Batch (BAT) File in Windows: 5 Simple Steps

This article covers how to create a batch file using five simple steps for the Windows ... rem check if extension folder exists, if not it is created

#82. go command - cmd/go - Go Packages

By default, if a vendor directory is present and the go version in go.mod is 1.14 or ... [568ao] object files, left from Makefiles DIR(.exe) from go build ...

#83. .gitignore file - ignoring files in Git | Atlassian Git Tutorial

Git ignore patterns are used to exclude certain files in your working ... logs/debug.log, An asterisk is a wildcard that matches zero or more characters.

#84. file_exists - Manual - PHP

Returns true if the file or directory specified by filename exists; false otherwise. Note: This function will return false for symlinks pointing to ...

#85. GNU Make and wildcards – missing files – iTecNote

I have a Makefile with the following type of rule: %.html: ./generate-images.py > $@ make $(patsubst %.png,%.gif,$(wildcard *.png)).

#86. Structuring Your Project - The Hitchhiker's Guide to Python

Starting out, a small test suite will often exist in a single file: ... at most of my projects or any Pocoo project, you'll notice a Makefile lying around.

#87. rsync(1) - Linux man page

If any of the files already exist on the remote system then the rsync ... To synchronize my samba source trees I use the following Makefile targets:

#88. Python Basic: Exercises, Practice, Solution - w3resource

Write a Python program to check whether a file exists. ... a Python program to make file lists from the current directory using a wildcard.

#89. Managing Projects with GNU Make - Google 圖書結果

Now, we can implement wildcard and file-exists functions that can handle ... the makefile to per- form a wildcard operation on a pattern including spaces.

#90. The GNU Make Book - 第 128 頁 - Google 圖書結果

if-exists has three parameters: the name of the filename to check for, ... The starting makefile looks like this: WILDCARD_LIST = wildcard returned ...

#91. Basic usage | Documentation | Poetry - Python dependency ...

The pyproject.toml file is what is the most important here. ... including caret, tilde, wildcard, inequality and multiple constraints requirements.