1
0
Fork 0
mirror of https://github.com/notwa/rc synced 2024-11-05 06:39:02 -08:00
rc/sh/trunc

22 lines
599 B
Text
Raw Normal View History

#!/usr/bin/env sh
2021-07-29 00:37:35 -07:00
# YES_ZSH
# YES_BASH
# YES_DASH
2021-07-29 00:37:35 -07:00
2021-07-30 17:57:08 -07:00
trunc() { ### @-
### truncate text to fit within your terminal using the unicode character `…`.
2021-08-01 09:27:25 -07:00
###
### ```
### $ echo $COLUMNS
### 84
### $ seq 1 100 | tr '\n' ' ' | trunc
### 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31…
### ```
[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
2021-07-29 00:37:35 -07:00
COLUMNS=${COLUMNS:-$(tput cols)}
awk -vL=${1:-$COLUMNS} '{e=length>L?"…":"";print substr($0,0,L-(e?1:0)) e}'
}
[ "${SOURCING:-0}" -gt 0 ] || trunc "$@"