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author | EuAndreh <eu@euandre.org> | 2021-09-01 17:22:32 -0300 |
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committer | EuAndreh <eu@euandre.org> | 2021-09-01 17:22:32 -0300 |
commit | 16b973bf79a5cafa862bc38eb75ab136a09e3dbc (patch) | |
tree | 873f9f919cb0a2e6e7071604b95061de028f1ff3 /aux/lib.sh | |
parent | aux/: Update (diff) | |
download | euandre.org-16b973bf79a5cafa862bc38eb75ab136a09e3dbc.tar.gz euandre.org-16b973bf79a5cafa862bc38eb75ab136a09e3dbc.tar.xz |
aux/lib.sh: Add
Diffstat (limited to 'aux/lib.sh')
-rwxr-xr-x | aux/lib.sh | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/aux/lib.sh b/aux/lib.sh new file mode 100755 index 0000000..d64409a --- /dev/null +++ b/aux/lib.sh @@ -0,0 +1,30 @@ +#!/bin/sh + +# +# Generally, utilities that I expected to exist in POSIX, but don't. +# + +uuid() { + # Taken from: + # https://serverfault.com/a/799198 + od -xN20 /dev/urandom | + head -1 | + awk '{OFS="-"; print $2$3,$4,$5,$6,$7$8$9}' +} + +tmpname() { + echo 'mkstemp(template)' | m4 -D template="${TMPDIR:-/tmp}/m4-tmpname." +} + +mkstemp() { + name="$(tmpname)" + touch "$name" + echo "$name" +} + +mkdtemp() { + name="$(tmpname)" + rm -f "$name" + mkdir "$name" + echo "$name" +} |