On 3/27/25 5:03 AM, Sam Varshavchik wrote:
home user via users writes:
On 3/26/25 7:40 PM, Sam Varshavchik wrote:
home user via users writes:
...
Now, try adding more not-letters-and-digits to the search string. It won't be
long before things stop working again.
$ echo 'j^k' >z
$ grep '^k' z
[zilch]
grep can't find '^k' in a file that clearly contains it.
Now, you have to go back to all your scripts and also include the -F option,
for this.
$ grep -F '^k' z
j^k
...
No, it's either one or the other. You decide if you want special characters in
search strings to be parsed as regular expressions, or not. There's no other
option.
Having done some experimenting with both the search string and the grep options, I was
able to use both the 'e' and the 'F' options at the same time. The result were correct.
The searches were completed quickly. Yet I would not be surprised if some
"magic" character could break the search.
Thank-you Sam.
--
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