diff options
Diffstat (limited to 'awk.html.markdown')
| -rw-r--r-- | awk.html.markdown | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/awk.html.markdown b/awk.html.markdown index 90f88b1a..de26c0a1 100644 --- a/awk.html.markdown +++ b/awk.html.markdown @@ -2,8 +2,8 @@ language: awk filename: learnawk.awk contributors: - - ["Marshall Mason", "http://github.com/marshallmason"] -lang: en + - ["Marshall Mason", "http://github.com/marshallmason"] + --- AWK is a standard tool on every POSIX-compliant UNIX system. It's like a @@ -38,7 +38,7 @@ BEGIN { a = count + 1 b = count - 1 c = count * 1 - d = count / 1 + d = count / 1 # integer division e = count % 1 # modulus f = count ^ 1 # exponentiation @@ -143,7 +143,7 @@ BEGIN { } # Here's how you define a function -function arithmetic_functions(a, b, c, localvar) { +function arithmetic_functions(a, b, c, d) { # Probably the most annoying part of AWK is that there are no local # variables. Everything is global. For short scripts, this is fine, even @@ -161,7 +161,7 @@ function arithmetic_functions(a, b, c, localvar) { # Most AWK implementations have some standard trig functions localvar = sin(a) localvar = cos(a) - localvar = atan2(a, b) # arc tangent of b / a + localvar = atan2(b, a) # arc tangent of b / a # And logarithmic stuff localvar = exp(a) @@ -264,7 +264,7 @@ function io_functions( localvar) { # automatically for you. # You can probably guess there are other $ variables. Every line is - # implicitely split before every action is called, much like the shell + # implicitly split before every action is called, much like the shell # does. And, like the shell, each field can be access with a dollar sign # This will print the second and fourth fields in the line |