diff options
Diffstat (limited to 'awklib/eg/lib/isnumeric.awk')
| -rw-r--r-- | awklib/eg/lib/isnumeric.awk | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/awklib/eg/lib/isnumeric.awk b/awklib/eg/lib/isnumeric.awk new file mode 100644 index 00000000..6309e76a --- /dev/null +++ b/awklib/eg/lib/isnumeric.awk @@ -0,0 +1,14 @@ +# isnumeric --- check whether a value is numeric + +function isnumeric(x, f) +{ + switch (typeof(x)) { + case "strnum": + case "number": + return 1 + case "string": + return (split(x, f, " ") == 1) && (typeof(f[1]) == "strnum") + default: + return 0 + } +} |