उपयोग करना grep
और एक अतिरिक्त स्विच, यदि आप केवल एक स्ट्रिंग की तलाश कर रहे हैं
grep -m1 'These' filename
से man grep
-m NUM, --max-count=NUM
Stop reading a file after NUM matching lines. If the input is
standard input from a regular file, and NUM matching lines are
output, grep ensures that the standard input is positioned to
just after the last matching line before exiting, regardless
of the presence of trailing context lines. This enables a calling
process to resume a search. When grep stops after NUM matching
lines, it outputs any trailing context lines. When the -c or
--count option is also used, grep does not output a count greater
than NUM. When the -v or --invert-match option is also used, grep
stops after outputting NUM non-matching lines.
या उपयोग awk
;)
awk '/These/ {print; exit}' foo