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| author | Andrew J. Schorr <aschorr@telemetry-investments.com> | 2021-06-22 13:45:25 -0400 |
|---|---|---|
| committer | Andrew J. Schorr <aschorr@telemetry-investments.com> | 2021-06-22 13:45:25 -0400 |
| commit | 1bf8a67c114568b307c1df6dfe2042e2a3eab49b (patch) | |
| tree | d02018ca12bf82104f90804df4b056d44b823a4f /awklib | |
| parent | e7706feed9aac915db7307ad59d3908a8952eaf0 (diff) | |
| download | egawk-1bf8a67c114568b307c1df6dfe2042e2a3eab49b.tar.gz egawk-1bf8a67c114568b307c1df6dfe2042e2a3eab49b.tar.bz2 egawk-1bf8a67c114568b307c1df6dfe2042e2a3eab49b.zip | |
Add isnumeric function.
Diffstat (limited to 'awklib')
| -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 + } +} |