mknos / PerlPowerTools

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Build # 27331947978

Build Type

push

github

Committed by web-flow

Commit Message

head: allow '+' prefix on line count

* The standards document says -n COUNT counts from one [1]
* The OpenBSD and GNU versions accept a '+' prefix on a number, so allow that here for compat

Tests:
perl head -2 head --> 2 lines
perl head -n2 head --> 2 lines
perl head -n+2 head --> 2 lines
perl head -n-2 head --> invalid

1. https://pubs.opengroup.org/onlinepubs/9799919799/utilities/head.html

Coverage Stats

2070 of 3346 relevant lines covered (61.86%)

712.55 hits per line