Webgrep curly-bracketed entries from text file Ask Question Asked 9 years, 8 months ago Modified 2 years, 4 months ago Viewed 6k times 3 I have a file with many curly bracketed words, ex. {test1}, {test2} - how would I grep for these words and output a distinct list of them? output example: {test1} {test2} I've tried this which didn't work: WebMar 23, 2024 · The {} has no particular meaning to bash, but does mean something to find. find . -exec stat {} ";" Will recursively stat every file reachable from the current working directory with a single invocation of stat per file. find . -exec stat {} "+" will run stat with multiple files at once.
Explain: {,} in cp or mv Bash Shell Commands - nixCraft
WebJul 1, 2015 · Curly brackets are used for multiple matches. Each string can be an exact name, or a wildcard. It will find anything that matches any of the given strings using an or relationship (one OR the other). For example, if I had a directory with a lot of txt and doc files, I could copy them like so: $ cp -v {*.doc,*.txt} /tmp WebJan 23, 2024 · It is a bash-ism (also exists in some Korn shells). The normal square bracket for testing truth values (the "if [ ... ]" construct in shell) is actually done by having an executable whose name is a square bracket (it's literally "/bin/ ["). The double square bracket command was initially intended to make execution of shell scripts faster, by ... high data quality
bash - Using sed to remove both an opening and closing square bracket …
Webbash$ cat textfile This is line 1, of which there is only one instance. This is the only instance of line 2. This is line 3, another line. ... Escaped "curly brackets"-- \{ \}-- indicate the number of occurrences of a preceding RE to match. WebIf you have a more complex string like 'abcdef [123]ghijk' you can also use internal bash command 'cut' to extract text only between square brackets: $ echo 'abcdef [123]ghijk' cut -d ' [' -f 2 cut -d ']' -f 1 123 Share Improve this answer Follow answered Jul 17, 2015 at 14:50 valentt 295 3 10 Add a comment Your Answer Post Your Answer WebJul 21, 2016 · bash - Using sed to replace curly braces - Stack Overflow Using sed to replace curly braces Ask Question Asked 6 years, 8 months ago Modified 6 years, 8 months ago Viewed 11k times 3 I am parsing some json data and I am in need of removing both beginning and ending curly braces, {}. how fast do baby feet grow