Ln if not exists
Please read the manual. ln -sfn /new/target /path/to/symlink. $ man ln. -n, --no-dereference treat LINK_NAME as a normal file if it is a symbolic link to a directory. , -L returns true if the "file" exists and is a symbolic link (the linked file may or may not exist). You want -f (returns true if file exists and is a regular ..., Nope, there is no standard option to ln to create a missing target directory. Use install or mkdir -p before ln , perhaps in a helper script if you find ..., When using the ln command line tool we can do this using the -f (force) flag ln -sf target symlink-name. However, this is not possible using the fs ..., Let's say the folder you expect to be there is mydir and you want to create a link mylink2dir only if the dir exists. You could use: [ -d mydir ] && ln ..., Grettings: I'm running ln (coreutils) 5.2.1. Assume the link "link" already exists and points to "other_file". Then "ln -sf new_file link" won't trigger ..., -l is the if symbolic link shortcut but that's not what you're after. -f will test the REQUEST_FILENAME} to see if it exists as a file then you'll need ..., If you are using bash you can add the following shell instructions in you ... if [ -f include/libraries/libxyz.so ] ; then echo "something";else ln -s ..., if ~/Documents/saga does not exists, you symbolic link will be ~/Documents/saga (as it is, ... ln -s /very/long/path/to/target/Downloads/saga..doc.,-f If the target file already exists, then unlink it so that the link may occur. (The -f option ... -n If the target_file or target_dir is a symbolic link, do not follow it. This is ...
| 相關軟體 phpMyAdmin 資訊 | |
|---|---|
 Ln if not exists 相關參考資料
Create symlink - overwrite if one exists - Unix & Linux Stack ...
Please read the manual. ln -sfn /new/target /path/to/symlink. $ man ln. -n, --no-dereference treat LINK_NAME as a normal file if it is a symbolic link to a directory. https://unix.stackexchange.com How to check if a symlink exists - Stack Overflow
-L returns true if the "file" exists and is a symbolic link (the linked file may or may not exist). You want -f (returns true if file exists and is a regular ... https://stackoverflow.com How to create a symbolic link when target directory doesn't exist ...
Nope, there is no standard option to ln to create a missing target directory. Use install or mkdir -p before ln , perhaps in a helper script if you find ... https://stackoverflow.com How to force a symlink creation by overriding the existing ...
When using the ln command line tool we can do this using the -f (force) flag ln -sf target symlink-name. However, this is not possible using the fs ... https://stackoverflow.com Is there a way to not create a sym link if the folder exists ...
Let's say the folder you expect to be there is mydir and you want to create a link mylink2dir only if the dir exists. You could use: [ -d mydir ] && ln ... https://unix.stackexchange.com No action with forced symbolic link if link already exists
Grettings: I'm running ln (coreutils) 5.2.1. Assume the link "link" already exists and points to "other_file". Then "ln -sf new_file link" won't trigger ... https://lists.gnu.org Symbolic link if file doesn't exist - is this possible - Server ...
-l is the if symbolic link shortcut but that's not what you're after. -f will test the REQUEST_FILENAME} to see if it exists as a file then you'll need ... http://www.sitepoint.com Using makefile check if symlink exists and create if it doesn't ...
If you are using bash you can add the following shell instructions in you ... if [ -f include/libraries/libxyz.so ] ; then echo "something";else ln -s ... https://stackoverflow.com What is a "failed to create a symbolic link: file exists" error ...
if ~/Documents/saga does not exists, you symbolic link will be ~/Documents/saga (as it is, ... ln -s /very/long/path/to/target/Downloads/saga..doc. https://askubuntu.com Why create a link like this: ln -nsf? - Super User
-f If the target file already exists, then unlink it so that the link may occur. (The -f option ... -n If the target_file or target_dir is a symbolic link, do not follow it. This is ... https://superuser.com |