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Diffstat (limited to 'man/man1/ax.1df')
-rw-r--r-- | man/man1/ax.1df | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/man/man1/ax.1df b/man/man1/ax.1df index b3218d37..40125167 100644 --- a/man/man1/ax.1df +++ b/man/man1/ax.1df @@ -1,15 +1,21 @@ -.TH AX 1df "July 2016" "Manual page for ax" +.TH AX 1df "January 2018" "Manual page for ax" .SH NAME .B ax \- evaluate an awk expression .SH SYNOPSIS -.B ax '2.0+3.0' +.B ax +\&'2.0+3.0' .br -.B ax %.2f 'sin(2)' +.B ax +\&'%.2f\\n' 'sin(2)' .SH DESCRIPTION .B ax evaluates an expression given on the command line with awk(1) and prints its result using awk's printf, with an optional format specified preceding the expression. +.SH SECURITY +Note that the second argument has no evaluation protection on it. There's very +little to stop a user putting a fully-fledged awk program in as the second +argument if they needed to. Don't accept untrusted user input in this argument! .SH AUTHOR Tom Ryder <tom@sanctum.geek.nz> |