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document countdiff

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Connor Olding 2021-08-01 08:27:08 -07:00
parent 7aeda2d105
commit 209bed34cc
1 changed files with 9 additions and 0 deletions
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sh/countdiff
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@ -4,6 +4,15 @@
# YES_DASH
countdiff() { ### @-
### count the number of lines changed between two files.
###
### **TODO:** don't use git for this. also, use patience algorithm.
###
### ```
### $ countdiff README-old.md README.md
### 739
### ```
[ $# -gt 1 ] || { printf "%s\n" "$0: too few arguments" >&2; return 1; }
[ $# -le 2 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
git --no-pager diff --stat --no-color --no-index "$1" "$2" \