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Name	Size	Permission	Date
alarm.awk	2.31 KB	-rw-r--r--	2020-04-14 11:44
anagram.awk	1.33 KB	-rw-r--r--	2020-04-14 11:44
awksed.awk	515 B	-rw-r--r--	2020-04-14 11:44
cut.awk	3.61 KB	-rw-r--r--	2020-04-14 11:44
dupword.awk	507 B	-rw-r--r--	2020-04-14 11:44
egrep.awk	1.91 KB	-rw-r--r--	2020-04-14 11:44
extract.awk	1.84 KB	-rw-r--r--	2020-04-14 11:44
guide.awk	165 B	-rw-r--r--	2020-04-14 11:44
histsort.awk	283 B	-rw-r--r--	2020-04-14 11:44
id.awk	1.22 KB	-rw-r--r--	2020-04-14 11:44
igawk.sh	3.11 KB	-rw-r--r--	2020-04-14 11:44
indirectcall.awk	1.91 KB	-rw-r--r--	2020-04-14 11:44
labels.awk	1014 B	-rw-r--r--	2020-04-14 11:44
pi.awk	341 B	-rw-r--r--	2020-04-14 11:44
split.awk	1.17 KB	-rw-r--r--	2020-04-14 11:44
tee.awk	770 B	-rw-r--r--	2020-04-14 11:44
testbits.awk	736 B	-rw-r--r--	2020-04-14 11:44
translate.awk	1.15 KB	-rw-r--r--	2020-04-14 11:44
uniq.awk	2.64 KB	-rw-r--r--	2020-04-14 11:44
wc.awk	1.45 KB	-rw-r--r--	2020-04-14 11:44
wordfreq.awk	347 B	-rw-r--r--	2020-04-14 11:44

Rename

# id.awk --- implement id in awk
#
# Requires user and group library functions
#
# Arnold Robbins, arnold@skeeve.com, Public Domain
# May 1993
# Revised February 1996
# Revised May 2014
# Revised September 2014

# output is:
# uid=12(foo) euid=34(bar) gid=3(baz) \
#             egid=5(blat) groups=9(nine),2(two),1(one)

BEGIN {
    uid = PROCINFO["uid"]
    euid = PROCINFO["euid"]
    gid = PROCINFO["gid"]
    egid = PROCINFO["egid"]

printf("uid=%d", uid)
    pw = getpwuid(uid)
    pr_first_field(pw)

if (euid != uid) {
        printf(" euid=%d", euid)
        pw = getpwuid(euid)
        pr_first_field(pw)
    }

printf(" gid=%d", gid)
    pw = getgrgid(gid)
    pr_first_field(pw)

if (egid != gid) {
        printf(" egid=%d", egid)
        pw = getgrgid(egid)
        pr_first_field(pw)
    }

for (i = 1; ("group" i) in PROCINFO; i++) {
        if (i == 1)
            printf(" groups=")
        group = PROCINFO["group" i]
        printf("%d", group)
        pw = getgrgid(group)
        pr_first_field(pw)
        if (("group" (i+1)) in PROCINFO)
            printf(",")
    }

print ""
}

function pr_first_field(str,  a)
{
    if (str != "") {
        split(str, a, ":")
        printf("(%s)", a[1])
    }
}