diff options
Diffstat (limited to 'awklib')
| -rw-r--r-- | awklib/eg/lib/isnumeric.awk | 19 | ||||
| -rw-r--r-- | awklib/eg/prog/split.awk | 2 |
2 files changed, 20 insertions, 1 deletions
diff --git a/awklib/eg/lib/isnumeric.awk b/awklib/eg/lib/isnumeric.awk new file mode 100644 index 00000000..c2699022 --- /dev/null +++ b/awklib/eg/lib/isnumeric.awk @@ -0,0 +1,19 @@ +# 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 + } +} + +Please note that leading or trailing white space is disregarded in deciding +whether a value is numeric or not, so if it matters to you, you may want +to add an additional check for that. + diff --git a/awklib/eg/prog/split.awk b/awklib/eg/prog/split.awk index 16780044..4804de5f 100644 --- a/awklib/eg/prog/split.awk +++ b/awklib/eg/prog/split.awk @@ -8,7 +8,7 @@ # Rewritten September 2020 -function usage( common) +function usage( common) { common = "[-a suffix-len] [file [outname]]" printf("usage: split [-l count] %s\n", common) > "/dev/stderr" |