Unix & Linux Asked by fivedogit on September 4, 2020
How would one go about recursively removing middleman links? For example:
somelink -> someintermediarylink -> actualfile.txt
would become
somelink -> actualfile.txt
for all files in a directory and its subdirectories (i.e. recursively)
Ideas?
With GNU tools:
find . -type l ! -xtype l -exec sh -c '
for link do
target=$(readlink -e -- "$link") &&
ln -svTf -r -- "$target" "$link"
done' sh {} +
Would change all non-broken symlinks to be relative and without symlink components in their target.
Remove the -r
if you'd rather have absolute symlinks.
That assumes none of the canonical absolute names of the files those symlinks point to end in newline characters (the usual limitation of command substitution that strips all trailing newline characters).
Answered by Stéphane Chazelas on September 4, 2020
#!/bin/bash
# Usage: ./relinkToFinalDestination directory_path
directory=$1
find -L $directory -xtype l | while read file; do
next_hop=$(readlink "$file")
if [[ -e $next_hop ]]; then
final=$(readlink -e "$file")
echo "Got final path for $file --> $final"
# Update the link
ln -sf "$final" "$file"
fi
done
Answered by fivedogit on September 4, 2020
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