bash find file in directory code example

Example 1: bash search file in directory

grep -rnw '/path/to/somewhere/' -e 'pattern'

Example 2: how to find a file in linux terminal

find /path/to/folder/ -iname *file_name_portion*

Example 3: bash find file in directory

$ ls -R | grep -i "pattern"

Example 4: bash find file

# syntax 
# find *</path/to/dir> '(' *<filter-1> -o *<filter-2> ')'

# example 
find . '(' -name '*ERR5312209.zip' -o -name '*ERR5312209.TXT' ')'