bash search in a file code example

Example 1: bash search file in directory

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

Example 2: bash find file

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

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