- if $file_exists; then
- # fix files with no newline at the end.
- # the following command won't work right on them.
- # e = run script, $a\ means append following text, but there is none,
- # so sed only does what it always does when it was supposed to modify a file,
- # which is append a newline if there was none.
- sed -ie '$a\' "$file"
- # this removes any trailing newline in the var, so we add it back on,
- # because we want a consistent ending to match
- local file_content
- if $readsudo; then
- file_content="$(sudo cat "$file")
-"
- else
- file_content="$(<"$file")
-"
- fi
- # we aren't using regex because we want to match strings,
- # but we also want our match to start at the beginning of a line,
- # or the beginning of the file, and to end at a line ending.
- # So we do some slick bash to match this.
- local start="?(*
+ # fix files with no newline at the end.
+ # the following command won't work right on them otherwise.
+ # e = run script, $a\ means append following text, but there is none,
+ # so sed only does what it always does when it was supposed to modify a file,
+ # which is append a newline if there was none.
+ sed -ie '$a\' "$file"
+ # command substitution removes any trailing newlines, so we have to add
+ # a non-newline ending, we randomly chose "b", then remove it.
+ content=$(cat "$file"; echo b) content=${content%b}
+
+ # we aren't using regex because we want to match strings,
+ # but we also want our match to start at the beginning of a line,
+ # or the beginning of the file, and to end at a line ending.
+ # So we do some slick bash to match this.
+ local start="?(*