linux-commands
File related commands
List File:
- list all files from a folder in a file
ls [FOLDER] > [FILENAME] - delete a line matching a pattern
sed -i '/[PATTERN] /d' [FILENAME] - add string to start of each line
sed -e 's/^/[STRING_TO_ADD]/' -i [FILENAME]
Search
file
find eg:
name: find /usr -name home
name extension: find /usr -name "*.sh"
name extension (case-insensitive): find /usr -iname "*.sh"
execute command on result (here, copy to /result) find /usr -iname "*.sh -exec cp {} /result \
file content
grep <REGEXP> <FILE> <OPTIONS>
Eg:
list all lines which contains hello in a file, including line number: grep hello HelloWorld.sh -n
Other eg:
remove duplicates: (..) | uniq e