Just another update

2015-02-20 00:35:01 -05:00 · 2015-02-20 00:35:01 -05:00 · 00a190b0a6
commit 00a190b0a6
parent a25938f123
6591 changed files with 94363 additions and 23227 deletions
--- a/Task/Read-a-specific-line-from-a-file/UNIX-Shell/read-a-specific-line-from-a-file.sh
+++ b/Task/Read-a-specific-line-from-a-file/UNIX-Shell/read-a-specific-line-from-a-file.sh
@ -0,0 +1,12 @@
+get_nth_line() {
+    local file=$1 n=$2 line
+    while ((n-- > 0)); do
+        if ! IFS= read -r line; then
+            echo "No such line $2 in $file"
+            return 1
+        fi
+    done < "$file"
+    echo "$line"
+}
+
+get_nth_line filename 7