diff options
Diffstat (limited to 'awk.html.markdown')
| -rw-r--r-- | awk.html.markdown | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/awk.html.markdown b/awk.html.markdown index 34013251..55b8e5da 100644 --- a/awk.html.markdown +++ b/awk.html.markdown @@ -118,11 +118,11 @@ BEGIN { # Arrays arr[0] = "foo"; arr[1] = "bar"; - + # You can also initialize an array with the built-in function split() - + n = split("foo:bar:baz", arr, ":"); - + # You also have associative arrays (actually, they're all associative arrays) assoc["foo"] = "bar"; assoc["bar"] = "baz"; @@ -240,7 +240,7 @@ function io_functions( localvar) { # for this can be treated as a file handle, for purposes of I/O. This makes # it feel sort of like shell scripting, but to get the same output, the string # must match exactly, so use a variable: - + outfile = "/tmp/foobar.txt"; print "foobar" > outfile; @@ -261,7 +261,7 @@ function io_functions( localvar) { # Reads a line from a file and stores in localvar infile = "/tmp/foobar.txt"; - getline localvar < infile; + getline localvar < infile; close(infile); } @@ -273,10 +273,10 @@ function io_functions( localvar) { # When you pass arguments to AWK, they are treated as file names to process. # It will process them all, in order. Think of it like an implicit for loop, # iterating over the lines in these files. these patterns and actions are like -# switch statements inside the loop. +# switch statements inside the loop. /^fo+bar$/ { - + # This action will execute for every line that matches the regular # expression, /^fo+bar$/, and will be skipped for any line that fails to # match it. Let's just print the line: @@ -382,5 +382,5 @@ Further Reading: * [Awk man page](https://linux.die.net/man/1/awk) * [The GNU Awk User's Guide](https://www.gnu.org/software/gawk/manual/gawk.html) GNU Awk is found on most Linux systems. * [AWK one-liner collection](http://tuxgraphics.org/~guido/scripts/awk-one-liner.html) -* [Awk alpinelinux wiki](https://wiki.alpinelinux.org/wiki/Awk) a technical summary and list of "gotchas" (places where different implementations may behave in different or unexpected ways). +* [Awk alpinelinux wiki](https://wiki.alpinelinux.org/wiki/Awk) a technical summary and list of "gotchas" (places where different implementations may behave in different or unexpected ways). * [basic libraries for awk](https://github.com/dubiousjim/awkenough) |